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JP2006025972A - Instrument guard cover - Google Patents

Instrument guard cover
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JP2006025972A
JP2006025972AJP2004207017AJP2004207017AJP2006025972AJP 2006025972 AJP2006025972 AJP 2006025972AJP 2004207017 AJP2004207017 AJP 2004207017AJP 2004207017 AJP2004207017 AJP 2004207017AJP 2006025972 AJP2006025972 AJP 2006025972A
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shrink film
hose
cover
nonwoven fabric
hoses
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JP2004207017A
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JP3606865B1 (en
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Hideo Matsumoto
英夫 松本
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HIT KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an instrument guard cover with excellent adhesion to hoses, or the like, capable of surely fixing them and preventing operability obstruction of a treating instrument. <P>SOLUTION: A hose cover 1 as the instrument guard cover relating to this invention is constituted such that a shrink film 3 is fixed to the inner peripheral surface of a cylindrical nonwoven fabric 2 and formed into a cylindrical shape along the inner peripheral surface and end parts 4 and 5 of the shrink film 3 are extended in an axial direction more than both ends 6 and 7 of the nonwoven fabric 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

Translated fromJapanese

本発明は、歯科又は医科の治療器具におけるホース類等の被覆に好適な用具ガードカバーに関する。  The present invention relates to a tool guard cover suitable for covering hoses and the like in a dental or medical treatment instrument.

歯科又は医科の医療現場において、治療器具(医療器具)の汚染防止は、医療従事者の感染を防ぎ、患者への二次感染を防ぐために広く行われる必要性が指摘されている。これに対し、特許文献1乃至特許文献10には、治療器具を被覆して汚染防止を図る技術が開示されている。  In the medical field of dentistry or medical department, it has been pointed out that prevention of contamination of a treatment instrument (medical instrument) is widely performed in order to prevent infection of medical staff and prevent secondary infection to patients. On the other hand,Patent Documents 1 to 10 disclose techniques for covering a therapeutic instrument to prevent contamination.

しかしながら、それらの特許文献はすべて口腔内又は体内に挿入される器具本体や把持部分の被覆を目的としており、その被覆範囲は狭小であると言わざるを得ない。例えば歯科インプラント等の高度な清潔性を要する歯科治療を行う場合、器具本体や把持部分のみならずそれに接続されたホースやケーブル、コード等のホース類も滅菌されたカバーにより被覆し、治療の際に飛び散る唾液や血液等の体液、あるいは、それらを含んだエアロゾルからそのホース類の汚染を防止することも重要である。  However, all of these patent documents are aimed at covering an instrument main body or a gripping part inserted into the oral cavity or inside the body, and it must be said that the covering range is narrow. For example, when performing dental treatment that requires a high degree of cleanliness, such as dental implants, hoses such as hoses, cables, and cords connected to the instrument body and gripping part are covered with a sterilized cover. It is also important to prevent contamination of the hoses from body fluids such as saliva and blood scattered in the water or aerosols containing them.

そして、このような観点から滅菌が可能なホース類は滅菌され、滅菌が困難なホース類は布等の被覆材により被覆されていたが、前者では度重なる滅菌によりホース類の早期劣化を招いたり、医療従事者が滅菌に時間を割かれ、しかも、滅菌中にホース類を使用することができないという問題があった。一方、後者ではホース類の径よりも被覆材の径が相当に大きく、被覆材が径の適合性に乏しいことが通常で、被覆材のホース類に対する密着性が悪く治療器具の操作性が悪化するという問題があった。また、被覆材の固定には紐や粘着テープが用いられているので、固定が不安定で被覆材が治療器具の使用中にずれてしまうという問題もあった。
特開2000−180731号公報実開平5−78210号公報実開昭57−97514号公報特開2003−275163号公報特開2001−224694号公報特開2002−159511号公報特開平10−234747号公報特開平8−539号公報実開平7−17207号公報特開平7一32500号公報
From such a viewpoint, hoses that can be sterilized are sterilized, and hoses that are difficult to sterilize are covered with a covering material such as cloth. However, in the former case, repeated sterilization may cause early deterioration of the hoses. However, there is a problem that a medical worker takes time for sterilization and cannot use hoses during sterilization. On the other hand, in the latter case, the diameter of the covering material is considerably larger than the diameter of the hose, and the covering material is usually poor in conformity of the diameter, and the adhesion of the covering material to the hoses is poor and the operability of the treatment instrument is deteriorated. There was a problem to do. Further, since a string or an adhesive tape is used for fixing the covering material, there is a problem that the fixing is unstable and the covering material is displaced during use of the treatment instrument.
JP 2000-180731 A Japanese Utility Model Publication No. 5-78210 Japanese Utility Model Publication No. 57-97514 JP 2003-275163 A JP 2001-224694 A JP 2002-159511 A Japanese Patent Laid-Open No. 10-234747 JP-A-8-539 Japanese Utility Model Publication No. 7-17207 Japanese Unexamined Patent Publication No. 7-32500

本発明は、上記の問題に鑑みて為されたもので、ホース類等に対する密着性に優れてその固定を確実に行うことができ、治療器具の操作性阻害を防止することができる用具ガードカバーを提供することを課題としている。  The present invention has been made in view of the above problems, and provides a tool guard cover that has excellent adhesion to hoses and the like, can be securely fixed, and can prevent the operability of therapeutic instruments from being hindered. The issue is to provide.

上記課題を解決するため、請求項1に係る発明は、シュリンクフィルムが筒状の不織布の内周面に固着されて該内周面に沿う筒状に形成されるとともに、前記シュリンクフィルムの両端が前記不織布の両端よりも軸方向に延在してなることを特徴とする。  In order to solve the above-mentioned problem, the invention according toclaim 1 is characterized in that the shrink film is fixed to the inner peripheral surface of the cylindrical nonwoven fabric and formed into a cylindrical shape along the inner peripheral surface, and both ends of the shrink film are It extends in the axial direction from both ends of the nonwoven fabric.

請求項2に係る発明は、請求項1に記載の用具ガードカバーにおいて、前記シュリンクフィルムが防水性を有することを特徴とする。  According to a second aspect of the present invention, in the tool guard cover according to the first aspect, the shrink film is waterproof.

請求項1又は請求項2に係る発明によれば、シュリンクフィルムが筒状の不織布の内周面に固着されて内周面に沿う筒状に形成されるとともに、シュリンクフィルムの両端が不織布の両端よりも軸方向に延在しているので、治療器具用カバーである用具ガードカバーがホース類等に対する密着性に優れてその固定を確実に行うことができる。すなわち、この用具ガードカバーの内径より若干小さい外径を有するホース類等を用具ガードカバーに挿入した後シュリンクフィルムを収縮させることにより、シュリンクフィルム(及びこのシュリンクフィルムが固着される不織布)がホース類等に密着する。このシュリンクフィルムの強い密着作用により用具ガードカバーが確実にホース類等に固定されるので、用具ガードカバーのホース類等に対するずれが防止され、用具ガードカバー全体としては治療器具の操作性を阻害せず細密な治療行為を妨げなくなる。  According to the invention which concerns onClaim 1 orClaim 2, while shrink film is fixed to the internal peripheral surface of a cylindrical nonwoven fabric, it forms in the cylinder shape along an internal peripheral surface, and both ends of a shrink film are both ends of a nonwoven fabric Since the tool guard cover, which is a treatment instrument cover, has excellent adhesion to hoses and the like, it can be reliably fixed. That is, by inserting a hose having an outer diameter slightly smaller than the inner diameter of the tool guard cover into the tool guard cover and then shrinking the shrink film, the shrink film (and the nonwoven fabric to which the shrink film is fixed) becomes a hose or the like. In close contact. Since the tool guard cover is securely fixed to the hoses and the like by the strong adhesion action of the shrink film, the tool guard cover is prevented from being displaced with respect to the hoses and the like, and the entire instrument guard cover does not disturb the operability of the treatment instrument. Does not interfere with treatment.

本発明に係る用具ガードカバーは、ホース類等に対する密着性に優れてその固定を確実に行うことができ、治療器具の操作性阻害を防止することができるという効果を奏する。  The tool guard cover according to the present invention is excellent in adhesion to hoses and the like, and can be reliably fixed, and has the effect of preventing the operability of the treatment instrument from being hindered.

本発明の実施の形態を図面に基づいて説明する。  Embodiments of the present invention will be described with reference to the drawings.

図1は本実施例に係るホースカバー(用具ガードカバー)を、図2はその製造方法を示す。このホースカバー1を製造するには、まず長方形状の不織布2に、この不織布2より長手方向に長い長方形状のシュリンクフィルム3を重畳する。そして、シュリンクフィルム3の長手方向の端部4,5が不織布2の長手方向の端部6,7からそれぞれ突出するように(例えばシュリンクフィルム3の中心を不織布2の中心に合わせて、あるいは突出する端部4,5の長さを異ならせるようにシュリンクフィルム3の中心を不織布2の中心から長手方向に適宜ずらして)、不織布2に対するシュリンクフィルム3の位置決めを行った後、シュリンクフィルム3を不織布2に固着し、全体として二層構造の複合シート8を得る(図2(A))。続いて、シュリンクフィルム3が内面側となるように複合シート8の長手方向に沿った辺部9,10を接合する。これによって、不織布2の内周面に沿うシュリンクフィルム3の端部4,5が不織布2の端部6,7よりも軸方向(不織布2の長手方向)に延在した筒状のホースカバー1が形成される(図2(B))。後述するように被覆対象とする治療器具のホース類等をホースカバー1に挿入する際にホース類の外面に追従し遊び少なくカバーするためには、ホースカバー1の内径はホース類の外径より若干大きいことが望ましい。また、挿入されたホース類を広範囲にカバーしつつホース類への強度の密着作用を得るために、ホースカバー1の軸方向よりも径方向の方がシュリンクフィルム3の収縮率が大きいことが望ましい。  FIG. 1 shows a hose cover (tool guard cover) according to this embodiment, and FIG. 2 shows a manufacturing method thereof. In order to manufacture thehose cover 1, first, arectangular shrink film 3 longer in the longitudinal direction than thenonwoven fabric 2 is superimposed on the rectangularnonwoven fabric 2. Then, theend portions 4 and 5 in the longitudinal direction of theshrink film 3 protrude from theend portions 6 and 7 in the longitudinal direction of the nonwoven fabric 2 (for example, the center of theshrink film 3 is aligned with the center of thenonwoven fabric 2 or protrudes). The center of theshrink film 3 is appropriately shifted in the longitudinal direction from the center of thenon-woven fabric 2 so that the lengths of theend portions 4 and 5 to be different), and after positioning theshrink film 3 with respect to thenon-woven fabric 2, theshrink film 3 is Thecomposite sheet 8 having a two-layer structure as a whole is obtained by adhering to the nonwoven fabric 2 (FIG. 2A). Then, theside parts 9 and 10 along the longitudinal direction of thecomposite sheet 8 are joined so that theshrink film 3 is on the inner surface side. Thereby, the cylindrical hose cover 1 in which theend portions 4 and 5 of theshrink film 3 along the inner peripheral surface of thenonwoven fabric 2 extend in the axial direction (longitudinal direction of the nonwoven fabric 2) from theend portions 6 and 7 of thenonwoven fabric 2. Is formed (FIG. 2B). As will be described later, the inner diameter of thehose cover 1 is smaller than the outer diameter of the hoses in order to follow the outer surface of the hoses and cover them with less play when inserting the hoses or the like of the treatment device to be covered into thehose cover 1. Slightly larger is desirable. Further, in order to obtain a strong adhesion to the hoses while covering the inserted hoses in a wide range, it is desirable that the shrinkage rate of theshrink film 3 is larger in the radial direction than in the axial direction of thehose cover 1. .

不織布2は、その材質や色は特に限定されるものではない。不織布2は、ホース類等に飛んでくる血液や唾液等の体液、あるいは、それらを含んだエアロゾルを吸い取ることによって、体液等がホース類等に直接付着するのを防ぐとともに、これらの体液等が再び周囲に飛散することも防止する。シュリンクフィルム3は、例えば塩化ビニール系、ポリオレフィン系等があるが、その材質や色は特に限定されるものではない。シュリンクフィルム3は、ホース類等をホースカバー1に挿入する際にその通過をスムーズにするほか、防水性を有し体液等が不織布2を浸透してホース類等に到達する事態を有効に阻止する。  The material and color of thenonwoven fabric 2 are not particularly limited. Non-wovenfabric 2 prevents body fluids from directly adhering to hoses and the like by sucking in body fluids such as blood and saliva flying to hoses and the like, or aerosols containing them. It also prevents splashing around again. Theshrink film 3 includes, for example, vinyl chloride and polyolefin, but the material and color are not particularly limited.Shrink film 3 smoothes the passage of hoses and the like when they are inserted intohose cover 1 and has a waterproof property that effectively prevents body fluid from penetratingnonwoven fabric 2 and reaching hoses and the like. To do.

また、シュリンクフィルム3の不織布2に対する固着方法も、例えば接着や溶着等特に限定されるものではないが、ここでは不織布2にシュリンクフィルム3を貼着する。貼着箇所については、不織布2の全面であっても、又はその一部であっても(例えば、長手方向あるいはこれと直交する方向に所定の間隔を保ちつつ複数箇所を帯状に貼着したり、任意に複数箇所を点貼着したりしても)かまわない。また、不織布2とシュリンクフィルム3とは互いに貼着しやすい材質であることが好ましい。  Further, the method for fixing theshrink film 3 to thenonwoven fabric 2 is not particularly limited, for example, adhesion or welding. Here, theshrink film 3 is adhered to thenonwoven fabric 2. About a sticking location, even if it is the whole surface of thenonwoven fabric 2, or even a part thereof (for example, a plurality of locations are stuck in a band shape while maintaining a predetermined interval in the longitudinal direction or a direction perpendicular thereto) It is also possible to attach a plurality of points arbitrarily). Moreover, it is preferable that thenonwoven fabric 2 and theshrink film 3 are the materials which are easy to stick together.

図3に示すように、このホースカバー1により歯科ユニットの吸込用ホース11を被覆するには、まずホース11のホース口12をホースカバー1の一端側、ここではシュリンクフィルム2の端部5の側から滅菌済みのホースカバー1の内部に挿入する(図3(A))。続いて、ホース口12をシュリンクフィルム3の端部4まで進入させ(図3(B))、この状態でホース口12にサクション13を取り付けてシュリンクフィルム3を熱風や熱湯で収縮させる(図3(C))。シュリンクフィルム3の収縮が完了すると、サクション13はシュリンクフィルム3(の端部4)により数cm覆われる。またホース11はシュリンクフィルム3及びこのシュリンクフィルム3が固着された不織布2により密着されて被覆される。  As shown in FIG. 3, in order to cover thesuction hose 11 of the dental unit with thehose cover 1, first, thehose port 12 of thehose 11 is connected to one end side of thehose cover 1, here theend portion 5 of theshrink film 2. Insert into the sterilizedhose cover 1 from the side (FIG. 3 (A)). Subsequently, thehose port 12 is advanced to theend 4 of the shrink film 3 (FIG. 3B), and in this state, asuction 13 is attached to thehose port 12 and theshrink film 3 is contracted with hot air or hot water (FIG. 3). (C)). When the shrinkage of theshrink film 3 is completed, thesuction 13 is covered by several centimeters of the shrink film 3 (theend 4 thereof). Further, thehose 11 is in close contact with and covered with theshrink film 3 and thenonwoven fabric 2 to which theshrink film 3 is fixed.

この実施例では、ホースカバー1より若干小さい外径を有するホース11をホースカバー1に挿入することによって、不織布2及びシュリンクフィルム3がホース11を被覆する。つぎに、シュリンクフィルム3を収縮させることによりシュリンクフィルム3の端部4,5がサクション13、ホース11に密着し、ホースカバー1が確実に固定され、ホースカバー1のホース11に対するずれが防止される。さらに、シュリンクフィルム3の収縮に伴ってこのシュリンクフィルム3が固着された不織布2もホース11に密着し、ホースカバー1全体としては被覆感が少なく(ホース11との一体感が高く)治療器具の操作性を維持することができるとともに、ホース11、さらにはサクション13の把持部分についてまでも容易に汚染防止を図ることができる。  In this embodiment, thenon-woven fabric 2 and theshrink film 3 cover thehose 11 by inserting ahose 11 having an outer diameter slightly smaller than thehose cover 1 into thehose cover 1. Next, by shrinking theshrink film 3, theends 4 and 5 of theshrink film 3 are brought into close contact with thesuction 13 and thehose 11, thehose cover 1 is securely fixed, and thehose cover 1 is prevented from being displaced from thehose 11. The Further, as theshrink film 3 contracts, thenonwoven fabric 2 to which theshrink film 3 is adhered also closely adheres to thehose 11, and thehose cover 1 as a whole has a low covering feeling (high sense of unity with the hose 11). The operability can be maintained, and thehose 11 and even the gripping portion of thesuction 13 can be easily prevented from being contaminated.

なお、ホースカバー1をホース11から剥離する際には、図4に示すように、ホースカバー1をその一端側から剥離器具14により切り進めればよい。剥離器具14は、図5に示すように、下縁15が略直線状の幅(厚さ)3mm程度の板体16の前縁17の下部に、板厚方向に貫通する溝部18を形成して構成されている。溝部18の奥部には、刃部19が設けられている。板体16は樹脂製であって溝部18の下方の部分は前方に突出した尖鋭部20であり、溝部18の上方の部分は把持部21となっている。尖鋭部20の下面22は正面視で上方が幅広となるように形成されるとともに、側面視で前方が細くなるようにテーパーが施されている。溝部18の下面は板体16の下縁15と略平行に延設され、溝部18の上面の入口側の部分23は前上がりに傾斜するように形成され、溝部18の上面の奥側の部分24は後上がりに傾斜するように形成されている。刃部19は、刃面が板体16の板面と略平行となるように、かつ、刃先が後上がりに傾斜するように設けられている。刃部19は板体16に金属製の別体を固着して設けてもよいが、板体16と一体成形して樹脂製としてもかまわない。  When thehose cover 1 is peeled off from thehose 11, as shown in FIG. 4, thehose cover 1 may be cut from one end side by apeeling tool 14. As shown in FIG. 5, thepeeling device 14 has agroove 18 that penetrates in the thickness direction in the lower portion of thefront edge 17 of theplate body 16 having a substantially straight width (thickness) of about 3 mm at thelower edge 15. Configured. Ablade portion 19 is provided at the back of thegroove portion 18. Theplate body 16 is made of resin, the lower portion of thegroove portion 18 is asharp portion 20 protruding forward, and the upper portion of thegroove portion 18 is agrip portion 21. Thebottom surface 22 of the sharpenedportion 20 is formed so that the upper part is wide in a front view, and is tapered so that the front part is narrowed in a side view. The lower surface of thegroove 18 extends substantially parallel to thelower edge 15 of theplate member 16, and the inlet-side portion 23 of the upper surface of thegroove 18 is formed so as to incline forward, and the rear portion of the upper surface of thegroove 18 24 is formed so as to incline backward. Theblade portion 19 is provided so that the blade surface is substantially parallel to the plate surface of theplate body 16 and the blade edge is inclined rearwardly upward. Theblade portion 19 may be provided by attaching a separate metal member to theplate body 16, but may be integrally formed with theplate body 16 and made of resin.

本実施例では、上記ホースカバー1により、図6に示すマイクロエンジン25のホース26及び注水チューブ27を被覆する場合について説明する。すなわち、まずマイクロエンジン25をその先端部28から延在する注水チューブ27とともに、シュリンクフィルム3の端部5の側からホースカバー1の内部に挿入し(図6(A))、マイクロエンジン25の先端部28がシュリンクフィルム3の端部4から出るまで進入させる(図6(B))。この状態でシュリンクフィルム3を熱風や熱湯で収縮させると、マイクロエンジン25は先端部28及びその近傍部位を残してホースカバー1に覆われる(図6(C))。  In this embodiment, the case where thehose cover 1 covers thehose 26 and thewater injection tube 27 of themicro engine 25 shown in FIG. 6 will be described. That is, first, themicro engine 25 is inserted into thehose cover 1 from theend portion 5 side of theshrink film 3 together with thewater injection tube 27 extending from the tip portion 28 (FIG. 6A). It is made to approach until the front-end | tippart 28 comes out from theedge part 4 of the shrink film 3 (FIG.6 (B)). When theshrink film 3 is shrunk with hot air or hot water in this state, themicro engine 25 is covered with thehose cover 1 leaving thetip 28 and the vicinity thereof (FIG. 6C).

この実施例では、治療器具のホース類として、ホース26及び注水チューブ27の二つを被覆している。また、ホースカバー1の内径は、マイクロエンジン25の外周が大径であることに伴いホース26及び注水チューブ27を束ねた径よりも大きいが、シュリンクフィルム3を収縮させることでシュリンクフィルム3の端部5がホース26、注水チューブ27に密着固定するとともにホースカバー1の内径も縮小し、ホースカバー1とホース26、注水チューブ27との間の遊びは小さく抑制される。  In this embodiment, thehose 26 and thewater injection tube 27 are covered as the hoses of the treatment instrument. The inner diameter of thehose cover 1 is larger than the diameter of thehose 26 and thewater injection tube 27 bundled together with the outer diameter of themicro engine 25 being larger, but theshrink film 3 is contracted to shrink the end of theshrink film 3. Theportion 5 is tightly fixed to thehose 26 and thewater injection tube 27 and the inner diameter of thehose cover 1 is also reduced, and play between thehose cover 1 and thehose 26 and thewater injection tube 27 is suppressed to a small extent.

なお、本発明は上述した形態に限られるものではなく、例えば上記各実施例では用具ガードカバーをホースカバーとしてその被覆対象に吸込用ホース、マイクロエンジンのホース及び注水チューブを挙げたが、例えば治療器具その他用具のホース、チューブ、コード、あるいは把持部、口腔挿入部等でもよく、汚染防止を要するものであればこれらに限定されるものではない。さらに、被覆対象の態様等によっては、一方の面に防水加工が施された伸縮性を有する不織布を防水加工面を内側にして筒状に形成して用いることも、またシュリンクフィルム単体を筒状にして用いることも可能である。  The present invention is not limited to the above-described embodiment. For example, in each of the above-described embodiments, the device guard cover is used as a hose cover, and suction hoses, micro engine hoses, and water injection tubes are cited as covering objects. Other devices such as hoses, tubes, cords, gripping parts, oral cavity insertion parts, and the like may be used, and are not limited to these as long as it is necessary to prevent contamination. Furthermore, depending on the aspect of the coating target, etc., it is also possible to use a stretchable nonwoven fabric with waterproofing applied on one side and form it in a cylindrical shape with the waterproofing side facing inward. It is also possible to use it.

(A)は実施例1に係るホースカバーの平面図、(B)は(A)のb−b線に沿った位置における断面図、(C)は(A)のc−c線に沿った位置における断面図である。(A) is a top view of the hose cover which concerns on Example 1, (B) is sectional drawing in the position along the bb line of (A), (C) followed the cc line of (A). It is sectional drawing in a position.(A)は実施例1に係るホースカバーの製造に用いられる複合シートの側面図及び平面図、(B)は(A)の複合シートの辺部同士を接合する状態を示す説明図である。(A) is the side view and top view of a composite sheet used for manufacture of the hose cover which concerns on Example 1, (B) is explanatory drawing which shows the state which joins the edge parts of the composite sheet of (A).(A)は歯科ユニットの吸込用ホースをホースカバーの一端側から内部に挿入する状態を示す説明図、(B)はホース口がホースカバーの他端側に到達した状態を示す説明図、(C)はホース口にサクションを取り付けてシュリンクフィルムを収縮させた状態を示す説明図である。(A) is explanatory drawing which shows the state which inserts the suction hose of a dental unit in the inside from the one end side of a hose cover, (B) is explanatory drawing which shows the state which the hose port reached | attained the other end side of the hose cover, (C) is explanatory drawing which shows the state which attached the suction to the hose mouth and shrunk the shrink film.ホースカバーを剥離器具により剥離させる状態を示す説明図である。It is explanatory drawing which shows the state which peels a hose cover with a peeling instrument.(A)は図4の剥離器具を示す側面図、(B)は(A)の剥離器具の正面図である。(A) is a side view which shows the peeling instrument of FIG. 4, (B) is a front view of the peeling instrument of (A).(A)はマイクロエンジンに接続されたホース及び注水チューブをホースカバーの一端側から内部に挿入する状態を示す説明図、(B)はマイクロエンジンの先端部がホースカバーの他端側から出た状態を示す説明図、(C)はシュリンクフィルムを収縮させた状態を示す説明図である。(A) is explanatory drawing which shows the state which inserts the hose and water injection tube which were connected to the micro engine from the one end side of a hose cover inside, (B) is the front-end | tip part of the micro engine came out from the other end side of the hose cover Explanatory drawing which shows a state, (C) is explanatory drawing which shows the state which shrunk the shrink film.

符号の説明Explanation of symbols

1 ホースカバー(用具ガードカバー)
2 不織布
3 シュリンクフィルム
4,5 (シュリンクフィルムの)端部(シュリンクフィルムの両端)
6,7 (不織布の)端部(不織布の両端)
1 Hose cover (equipment guard cover)
2Nonwoven fabric 3Shrink films 4, 5 (Shrink film) end (both ends of shrink film)
6,7 (Nonwoven fabric) edge (Nonwoven fabric ends)

Claims (2)

Translated fromJapanese
シュリンクフィルムが筒状の不織布の内周面に固着されて該内周面に沿う筒状に形成されるとともに、前記シュリンクフィルムの両端が前記不織布の両端よりも軸方向に延在してなることを特徴とする用具ガードカバー。  The shrink film is fixed to the inner peripheral surface of the cylindrical nonwoven fabric and is formed in a cylindrical shape along the inner peripheral surface, and both ends of the shrink film extend in the axial direction from both ends of the nonwoven fabric. Equipment guard cover characterized by. 前記シュリンクフィルムが防水性を有することを特徴とする請求項1に記載の用具ガードカバー。  The tool guard cover according to claim 1, wherein the shrink film is waterproof.
JP2004207017A2004-07-142004-07-14 Tool guard coverExpired - Fee RelatedJP3606865B1 (en)

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JP2004207017AJP3606865B1 (en)2004-07-142004-07-14 Tool guard cover

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JP3606865B1 JP3606865B1 (en)2005-01-05
JP2006025972Atrue JP2006025972A (en)2006-02-02

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