US20060030437A1 - Bamboo bat and method of manufacture - Google Patents
Bamboo bat and method of manufactureDownload PDFInfo
- Publication number
- US20060030437A1 US20060030437A1US11/237,297US23729705AUS2006030437A1US 20060030437 A1US20060030437 A1US 20060030437A1US 23729705 AUS23729705 AUS 23729705AUS 2006030437 A1US2006030437 A1US 2006030437A1
- Authority
- US
- United States
- Prior art keywords
- wood strips
- core section
- section
- baseball bat
- outer section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 235000017166Bambusa arundinaceaNutrition0.000titleclaimsabstractdescription41
- 235000017491Bambusa tuldaNutrition0.000titleclaimsabstractdescription41
- 241001330002BambuseaeSpecies0.000titleclaimsabstractdescription41
- 235000015334Phyllostachys viridisNutrition0.000titleclaimsabstractdescription41
- 239000011425bambooSubstances0.000titleclaimsabstractdescription41
- 238000000034methodMethods0.000titleclaimsdescription21
- 238000004519manufacturing processMethods0.000titleclaimsdescription5
- 239000002023woodSubstances0.000claimsabstractdescription107
- 238000005498polishingMethods0.000claimsdescription9
- 238000007493shaping processMethods0.000claimsdescription9
- 241000288673ChiropteraSpecies0.000description9
- 239000003292glueSubstances0.000description3
- 238000009835boilingMethods0.000description2
- 238000001035dryingMethods0.000description2
- 238000012986modificationMethods0.000description2
- 230000004048modificationEffects0.000description2
- 238000010276constructionMethods0.000description1
- 238000010438heat treatmentMethods0.000description1
- 239000004922lacquerSubstances0.000description1
- 239000007788liquidSubstances0.000description1
- 239000000463materialSubstances0.000description1
- 239000003973paintSubstances0.000description1
Images
Classifications
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/22—Manufacture or reconditioning of specific semi-finished or finished articles of sport articles, e.g. bowling pins, frames of tennis rackets, skis, paddles
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/50—Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/50—Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball
- A63B59/52—Substantially rod-shaped bats for hitting a ball in the air, e.g. for baseball made of wood or bamboo
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
- B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
- B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/18—Baseball, rounders or similar games
Definitions
- At least some of the plurality of wood strips comprising the core sectionare bamboo.
- the baseball bats of the present inventionenable the bat to have a balanced weight through out its entire length that not only makes the entire bat practically a “sweet-spot”, but also makes the bat less prone to breakage.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
Abstract
Description
- 1. Field of the Invention
- The present invention relates generally to baseball bats, and more particularly, to baseball bats fabricated from bamboo.
- 2. Prior Art
- Presently, bamboo baseball bats employ a traditional technique for their fabrication. Such a traditional technique is shown in
FIGS. 1A and 1B .FIG. 1A illustrates a bamboo baseball bat blank100 andFIG. 1B illustrates a sectional view of the blank100 taken about line1B-1B inFIG. 1A . The blank100 consists of a plurality ofbamboo strips 102, each of which is typically about 10 mm thick by 900 mm long. Thebamboo strips 102 are glued together in the same direction (direction A) to form the blank100, which is typically about 70 mm by 70 mm in cross-section. As shown inFIG. 1B , thestrips 102 are typically adhered in a staggered pattern. The blank100 is then processed to form a finished baseball bat. However, this traditional technique results in an unbalanced bamboo bat that has an uneven weight shift within the bat, which makes it prone to breakage. - Therefore it is an object of the present invention to provide a baseball bat, in particular, a bamboo baseball bat that overcomes the disadvantages of baseball bats and other types of bamboo bats of the prior art.
- Accordingly, a baseball bat is provided. The baseball bat comprising: a core section comprising a plurality of wood strips adhered to each other; and an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
- In a first configuration, at least one of the plurality of wood strips comprising the core section and the plurality of wood strips comprising the outer section are bamboo.
- In another configuration, each of the plurality of wood strips comprising the core section and the plurality of wood strips comprising the outer section are bamboo.
- In another configuration, at least some of the plurality of wood strips comprising the core section are bamboo.
- In yet another configuration, at least some of the plurality of wood strips comprising the outer section are bamboo.
- Preferably, the core section has a cross sectional dimension of about 20 mm by 20 mm.
- Preferably, the core section comprises an alternating pattern of the plurality of wood strips. The alternating pattern preferably comprises at least some of the plurality of wood strips arranged in a first direction and at least some of the plurality of wood strips in a direction orthogonal to the first direction. Preferably, the core section comprises four blocks of wood strips, each of the four blocks having two wood strips adhered together, two of the blocks being in the first direction and two of the wood blocks being in the direction orthogonal to the first direction. Each of the plurality of wood strips of the core section preferably have a cross sectional dimension of about 5 mm by 10 mm, each block preferably has a cross sectional dimension of about 10 mm by 10 mm, and the central core section preferably has a cross sectional dimension of about 20 mm by 20 mm.
- Preferably, the outer section comprises four subsections, two of the subsections having some of the plurality of wood strips arranged in a first direction and two of the subsections having some of the plurality of wood strips arranged in a direction orthogonal to the first direction.
- Also provided is a method for fabricating a blank from which a baseball bat is fabricated. The method comprising: constructing a core section comprising a plurality of wood strips adhered to each other; and constructing an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
- Preferably, the constructing of the core section comprises alternating a pattern of the plurality of wood strips. Preferably, the alternating comprises arranging at least some of the plurality of wood strips in a first direction and at least some of the plurality of wood strips in a direction orthogonal to the first direction. The arranging preferably comprises arranging four blocks of wood strips, each of the four blocks having two wood strips adhered together, two of the blocks being in the first direction and two of the blocks being in the direction orthogonal to the first direction.
- Preferably, the constructing of the outer section comprises providing four subsections, two of the subsections having some of the plurality of wood strips arranged in a first direction and two of the subsections having some of the plurality of wood strips arranged in a direction orthogonal to the first direction.
- Still provided is a method for fabrication of a baseball bat. The method comprising: constructing a blank, wherein the constructing of the blank comprises, constructing a core section comprising a plurality of wood strips adhered to each other and constructing an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section; and processing the blank into a form of a baseball bat.
- The processing preferably comprises shaping the blank into the form of a baseball bat. The processing preferably further comprises polishing the baseball bat resulting from the shaping. The processing also preferably further comprises finishing the baseball bat resulting from the polishing.
- Still yet provided is a blank from which a baseball bat is manufactured. The blank comprising: a core section comprising a plurality of wood strips adhered to each other; and an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
- These and other features, aspects, and advantages of the apparatus and methods of the present invention will become better understood with regard to the following description, appended claims, and accompanying drawings where:
FIG. 1A illustrates an isometric view of a blank of the prior art from which a bamboo bat is fabricated.FIG. 1B is a sectional view of the blank ofFIG. 1A as taken along line1B-1B inFIG. 1A .FIG. 2A is an isometric view of a blank from which a baseball bat is fabricated according to a preferred implementation of the present invention.FIG. 2B is a sectional view of the blank ofFIG. 2A as taken alongline 2B-2B ofFIG. 2A .FIG. 2C is a detailed sectional view of a central portion of the blank ofFIGS. 2A and 2B .FIG. 3 shows a finished baseball bat manufactured according to methods of the present invention.FIG. 4A illustrates a sectional view of the baseball bat ofFIG. 3 as taken alongline 4A-4A inFIG. 3 .FIG. 4B illustrates a sectional view of the baseball bat ofFIG. 3 as taken alongline 4B-4B inFIG. 3 .- Although this invention is applicable to numerous and various types of woods for use in baseball bats, it has been found particularly useful in the environment of bamboo. Therefore, without limiting the applicability of the invention to bamboo, the invention will be described in such environment.
- Referring now to
FIG. 2A , therein is shown a preferred implementation of a blank from which is fabricated a baseball bat, the blank being referred to generally by reference numeral200. The blank200 having acore section 202 comprising a plurality of wood strips204 adhered to each other. The blank200 also comprises anouter section 206 at least partially surrounding thecore section 202. Theouter section 206 preferably completely surrounds thecore section 202 and comprises a plurality of wood strips208 adhered to each other and to thecentral core section 202. The direction of at least some of the plurality of wood strips204 comprising thecore section 202 are offset from the direction of at least some of the plurality of wood strips208 comprising theouter section 206. - As discussed previously, at least one of the plurality of wood strips204 comprising the
core section 202 and/or the plurality of wood strips208 comprising theouter section 206 are bamboo. However, other typical wood materials known in the art for use in baseball bats are also possible. Thus, each of the plurality of wood strips204 comprising thecore section 202 and the plurality of wood strips208 comprising theouter section 206 can be bamboo. Alternatively, at least some of the plurality of wood strips204 comprising thecore section 202 can be bamboo and/or at least some of the plurality of wood strips208 comprising theouter section 206 can be bamboo. - The
core section 202 can comprise an alternating pattern of the plurality of wood strips204. The alternating pattern can comprises at least some of the plurality of wood strips204 arranged in a first direction A and at least some of the plurality of wood strips204 in a direction B orthogonal to the first direction A. An example of such a configuration is shown inFIGS. 2A-2C , in which thecore section 202 comprises fourblocks 202aof wood strips204. Each of the fourblocks 202ahave twowood strips 204 adhered together where two of theblocks 202aare arranged in the first direction A and two of the wood blocks202aare arranged in the direction B orthogonal to the first direction A. Furthermore, theblocks 202aare arranged such that those arranged in the first direction A abut thoseblocks 202aarranged in the second direction B and vice versa. Each of the plurality of wood strips204 of thecore section 202 can have a cross sectional dimension of about 5 mm by 10 mm, giving eachblock 202aa cross sectional dimension of about 10 mm by 10 mm and thecentral core section 202 a cross sectional dimension of about 20 mm by 20 mm. - The wood strips208 of the
outer section 206 can all be aligned in the same direction, or in a plurality of directions. Theouter section 206 can also comprise two ormore subsections 206aand206b. The subsections can be substantially equivalent in terms of configuration and size or they can differ from subsection to subsection. Preferably, theouter section 206 has foursubsections 206a,206bas shown inFIGS. 2A and 2B . Two of the subsections206ahave some of the plurality of wood strips208 arranged in a first direction A and two of thesubsections 206bhave some of the plurality of wood strips208 arranged in a direction B orthogonal to the first direction A. - The construction of a finished baseball bat will now be described with reference to
FIGS. 2A-2C and3, the finished baseball bat being referred to generally byreference number 300. - If bamboo is utilized for at least a portion of the wood strips204,208 of the blank200, it is harvested when approximately four to five years old and when the diameter of the head of the bamboo is approximately 10-12 cm. After being harvested, the bamboo should be processed as discussed below within three days. The harvested bamboo is cut to size depending on the required different lengths and diameters for the
particular baseball bat 300 being fabricated. For example, the bamboo can be cut into 3 cm wide strips. Next, the surface of the 3 cm wide bamboo strips are polished and an inner layer of the bamboo are planed with a planer machine. The cut bamboo strip is submerged in oxygenated liquid at 100 degree Celsius and boiled for 3 hours. After boiling, the boiled bamboo strips are transferred into a drying room and dried at 60-70 degrees Celsius for 1-3 days, and 30-40 degrees Celsius for an additional 4 days to keep the moisture content of the bamboo below about 9%. The boiling and drying of the bamboo removes all or most traces of sugar and moisture. Any strips of poor quality or wrong size are eliminated. - The blank200 is then fabricated from the strips. Each bamboo piece is then cut to 900 mm×10 mm×5 mm bamboo strips. These pieces are then glued together with a heat pressure machine (HPM) to make 900 mm×10 mm×10
mm blocks 202a. Foursuch blocks 202aare glued and compressed together by HPM to fabricate thecore section 202 having an approximate dimension of 900 mm×20 mm×20 mm. Around these core pieces, more bamboo pieces are glued together with HPM to form theouter section 206, until the new dimensions are 900 mm×70 mm×70 mm to form the blank200. As discussed above, thecore section 202 is preferably fabricated from four 10 mm×10mm blocks 202aof bamboo or other wood. Two of theblocks 202aare arranged in direction A and two of theblocks 202aare arranged in direction B which is orthogonal to direction A. Each of theblocks 202aare made from two 10 mm×5 mm wood strips204 that are adhered together using any industry standard glue known in the art. Theblocks 202aare also adhered to each other with industry standard glue as is the wood strips208 of theouter section 206. An example of such a glue is DYNEA AEROLTE (made in Norway) in which the strips are adhered while heating to 90 degrees Celsius with the HPM for 10-50 min depending on the thickness of the bamboo strips being adhered. - The blank200 is then passed between shaping and polishing stations for rough polishing, fine polishing and very fine polishing to craft the blank200 into the shape of a
baseball bat 300. Thebaseball bat 300 can be shaped such that thecore section 202 and at least a portion of theouter section 206 remain in all cross sections of the baseball bat along its length. Typically, thebarrel 302 of thebat 300 has the largest cross section while thehandle 304 has the smallest cross section. As can be seen inFIG. 4A , a large portion of theouter section 206 remains after shaping of thebarrel 302 of the bat. As can be seen inFIG. 4B , a smaller portion of theouter section 206 remains after shaping of thehandle 304. Since thecore section 202 is surrounded by at least a portion of theouter section 206, the resultingbaseball bat 300 will be stronger and less prone to breakage than a bat in which only the core section remains after shaping. After shaping and polishing, thebaseball bat 300 is finished, preferably with one or more, and preferably two coats of lacquer paint. However, other finishes, such as stains can also be applied to thebaseball bat 300. - Those skilled in the art will appreciate that the dimensions for the wood strips204,208, for the
blocks 202a,206a, and the overall dimensions of the blank200 andbat 300 are given by way of example only and not to limit the scope or spirit of the present invention. Those skilled in the art of baseball bat manufacturing will appreciate that bat sizes can differ greatly between bats intended for different age groups and also within any particular age group. - The baseball bats of the present invention enable the bat to have a balanced weight through out its entire length that not only makes the entire bat practically a “sweet-spot”, but also makes the bat less prone to breakage.
- While there has been shown and described what is considered to be preferred embodiments of the invention, it will, of course, be understood that various modifications and changes in form or detail could readily be made without departing from the spirit of the invention. It is therefore intended that the invention be not limited to the exact forms described and illustrated, but should be constructed to cover all modifications that may fall within the scope of the appended claims.
Claims (21)
1. A baseball bat comprising:
a core section comprising a plurality of wood strips adhered to each other; and
an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
2. The baseball bat ofclaim 1 , wherein at least one of the plurality of wood strips comprising the core section and the plurality of wood strips comprising the outer section are bamboo.
3. The baseball bat ofclaim 1 , wherein each of the plurality of wood strips comprising the core section and the plurality of wood strips comprising the outer section are bamboo.
4. The baseball bat ofclaim 1 , wherein at least some of the plurality of wood strips comprising the core section are bamboo.
5. The baseball bat ofclaim 1 , where at least some of the plurality of wood strips comprising the outer section are bamboo.
6. The baseball bat ofclaim 1 , wherein the core section comprises an alternating pattern of the plurality of wood strips.
7. The baseball bat ofclaim 6 , wherein the alternating pattern comprises at least some of the plurality of wood strips arranged in a first direction and at least some of the plurality of wood strips in a direction orthogonal to the first direction.
8. The baseball bat ofclaim 7 , wherein the core section comprises four blocks of wood strips, each of the four blocks having two wood strips adhered together, two of the blocks being in the first direction and two of the wood blocks being in the direction orthogonal to the first direction.
9. The baseball bat ofclaim 8 , wherein each of the plurality of wood strips of the core section have a cross sectional dimension of about 5 mm by 10 mm, each block having a cross sectional dimension of about 10 mm by 10 mm, and the central core section having a cross sectional dimension of about 20 mm by 20 mm.
10. The baseball bat ofclaim 1 , wherein the core section has a cross sectional dimension of about 20 mm by 20 mm.
11. The baseball bat ofclaim 1 , wherein the outer section comprises four subsections, two of the subsections having some of the plurality of wood strips arranged in a first direction and two of the subsections having some of the plurality of wood strips arranged in a direction orthogonal to the first direction.
12. A method for fabricating a blank from which a baseball bat is fabricated, the method comprising:
constructing a core section comprising a plurality of wood strips adhered to each other; and
constructing an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
13. The method ofclaim 12 , wherein the constructing of the core section comprises alternating a pattern of the plurality of wood strips.
14. The method ofclaim 13 , wherein the alternating comprises arranging at least some of the plurality of wood strips in a first direction and at least some of the plurality of wood strips in a direction orthogonal to the first direction.
15. The method ofclaim 14 , wherein the arranging comprises arranging four blocks of wood strips, each of the four blocks having two wood strips adhered together, two of the blocks being in the first direction and two of the blocks being in the direction orthogonal to the first direction.
16. The method ofclaim 12 , wherein the constructing of the outer section comprises providing four subsections, two of the subsections having some of the plurality of wood strips arranged in a first direction and two of the subsections having some of the plurality of wood strips arranged in a direction orthogonal to the first direction.
17. A method for fabrication of a baseball bat, the method comprising:
constructing a blank, wherein the constructing of the blank comprises, constructing a core section comprising a plurality of wood strips adhered to each other and constructing an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section; and
processing the blank into a form of a baseball bat.
18. The method ofclaim 17 , wherein the processing comprises shaping the blank into the form of a baseball bat.
19. The method ofclaim 18 , wherein the processing comprises polishing the baseball bat resulting from the shaping.
20. The method ofclaim 19 , wherein the processing comprises finishing the baseball bat resulting from the polishing.
21. A blank from which a baseball bat is manufactured, the blank comprising:
a core section comprising a plurality of wood strips adhered to each other; and
an outer section at least partially surrounding the core section, the outer section comprising a plurality of wood strips adhered to each other and to the central core section, wherein the direction of at least some of the plurality of wood strips comprising the core section are offset from the direction of at least some of the plurality of wood strips comprising the outer section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/237,297US20060030437A1 (en) | 2003-07-17 | 2005-09-28 | Bamboo bat and method of manufacture |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/621,291US20050020391A1 (en) | 2003-07-17 | 2003-07-17 | Bamboo bat and method of manufacture |
| US11/237,297US20060030437A1 (en) | 2003-07-17 | 2005-09-28 | Bamboo bat and method of manufacture |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/621,291ContinuationUS20050020391A1 (en) | 2003-07-17 | 2003-07-17 | Bamboo bat and method of manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20060030437A1true US20060030437A1 (en) | 2006-02-09 |
Family
ID=34079739
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/621,291AbandonedUS20050020391A1 (en) | 2003-07-17 | 2003-07-17 | Bamboo bat and method of manufacture |
| US11/237,297AbandonedUS20060030437A1 (en) | 2003-07-17 | 2005-09-28 | Bamboo bat and method of manufacture |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/621,291AbandonedUS20050020391A1 (en) | 2003-07-17 | 2003-07-17 | Bamboo bat and method of manufacture |
Country Status (1)
| Country | Link |
|---|---|
| US (2) | US20050020391A1 (en) |
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| US20070135246A1 (en)* | 2003-06-26 | 2007-06-14 | Davis Marc C | Laminated blank for machining into a bat |
| US20070232422A1 (en)* | 2006-03-30 | 2007-10-04 | Jung-Shih Chang | Baseball bat with a break resistant structure |
| US20080308187A1 (en)* | 2007-01-02 | 2008-12-18 | Dill Ward A R | Radial Baseball Bat |
| US20090275428A1 (en)* | 2008-04-30 | 2009-11-05 | Lonwood Co. Ltd. (Lonwood Kabushiki Kaisha) | Baseball bat |
| US20100113193A1 (en)* | 2008-11-05 | 2010-05-06 | Pinnacle Sports Equipment Co., Inc. | Bamboo bat having fiber-fused core and method of manufacturing the same |
| US20110015006A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110015008A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110015007A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110195809A1 (en)* | 2010-01-28 | 2011-08-11 | Mcdonald Matthew | Symmetrical wood composite bat |
| US8870688B2 (en)* | 2008-11-05 | 2014-10-28 | Pinnacle Sports Equipment Co. Inc. | Bat having fiber-fused core section and method of manufacturing the same |
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| USD513499S1 (en)* | 2003-12-04 | 2006-01-10 | Federico Irizarry-Esquilin | Protective bat housing for electronic device |
| JP4213126B2 (en)* | 2005-01-17 | 2009-01-21 | 吉野産業株式会社 | Building strut structure |
| US20070072710A1 (en)* | 2005-09-28 | 2007-03-29 | Tao-Chien Lo | Baseball bat structure |
| US20070219026A1 (en)* | 2006-03-17 | 2007-09-20 | Lo Tao C | Various-type sports bat structure |
| US20130260926A1 (en)* | 2012-03-28 | 2013-10-03 | Mizuno Usa, Inc. | Bat with reinforcing wrap |
| CN107174809A (en)* | 2017-04-17 | 2017-09-19 | 大连华弘体育用品有限公司 | A kind of spliced baseball bat and its manufacture method |
| US11701794B1 (en)* | 2019-05-31 | 2023-07-18 | RezBats, LLC | Method of forming a sports bat and sports bat article |
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| US6827659B1 (en)* | 2003-09-29 | 2004-12-07 | Shih-Pao Chen | Bat structure made of plant |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070135246A1 (en)* | 2003-06-26 | 2007-06-14 | Davis Marc C | Laminated blank for machining into a bat |
| US7438656B2 (en)* | 2003-06-26 | 2008-10-21 | Marc Christian Davis | Laminated blank for machining into a bat |
| US20070232422A1 (en)* | 2006-03-30 | 2007-10-04 | Jung-Shih Chang | Baseball bat with a break resistant structure |
| US20080308187A1 (en)* | 2007-01-02 | 2008-12-18 | Dill Ward A R | Radial Baseball Bat |
| US8152662B2 (en)* | 2007-01-02 | 2012-04-10 | Radial Bat Institute, Inc. | Radial baseball bat |
| US20090275428A1 (en)* | 2008-04-30 | 2009-11-05 | Lonwood Co. Ltd. (Lonwood Kabushiki Kaisha) | Baseball bat |
| JP2009285454A (en)* | 2008-04-30 | 2009-12-10 | Lonwood:Kk | Baseball bat |
| US20100323831A1 (en)* | 2008-11-05 | 2010-12-23 | Pinnacle Sports Equipment Co., Inc. | Bamboo bat having fiber-fused core and method of manufacturing the same |
| US7771296B2 (en)* | 2008-11-05 | 2010-08-10 | Pinnacle Sports Equipment Co., Inc. | Bamboo bat having fiber-fused core and method of manufacturing the same |
| US20100113193A1 (en)* | 2008-11-05 | 2010-05-06 | Pinnacle Sports Equipment Co., Inc. | Bamboo bat having fiber-fused core and method of manufacturing the same |
| US8257207B2 (en)* | 2008-11-05 | 2012-09-04 | Pinnacle Sports Equipment Co., Inc. | Baseball bat having artificially fiber-fused core and method of manufacturing the same |
| US8870688B2 (en)* | 2008-11-05 | 2014-10-28 | Pinnacle Sports Equipment Co. Inc. | Bat having fiber-fused core section and method of manufacturing the same |
| US20110015006A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110015008A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110015007A1 (en)* | 2009-07-17 | 2011-01-20 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US7972229B2 (en) | 2009-07-17 | 2011-07-05 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US8409038B2 (en) | 2009-07-17 | 2013-04-02 | Macdougall & Sons Bat Company, Llc | Baseball bat |
| US20110195809A1 (en)* | 2010-01-28 | 2011-08-11 | Mcdonald Matthew | Symmetrical wood composite bat |
| US8795107B2 (en)* | 2010-01-28 | 2014-08-05 | Matthew McDonald | Symmetrical wood composite bat |
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| US20050020391A1 (en) | 2005-01-27 |
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| STCB | Information on status: application discontinuation | Free format text:ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |