GB2216826B - Retaining devices - Google Patents

Retaining devices

Info

Publication number: GB2216826B
Authority: GB; United Kingdom
Prior art keywords: retaining devices; retaining; devices
Prior art date: 1988-04-05
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.): Expired - Fee Related

Inventor

James Colin Mcglashen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Gullick Dobson Ltd

Original Assignee

Gullick Dobson Ltd

Priority date (The priority date 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 date listed.)

1988-04-05

Filing date

1988-04-05

Publication date

1992-03-04

1988-04-05Application filed by Gullick Dobson LtdfiledCriticalGullick Dobson Ltd

1988-04-05Priority to GB8807879ApriorityCriticalpatent/GB2216826B/en

1988-05-05Publication of GB8807879D0publicationCriticalpatent/GB8807879D0/en

1989-10-18Publication of GB2216826ApublicationCriticalpatent/GB2216826A/en

1992-03-04Application grantedgrantedCritical

1992-03-04Publication of GB2216826BpublicationCriticalpatent/GB2216826B/en

2008-04-05Anticipated expirationlegal-statusCritical

StatusExpired - Fee Relatedlegal-statusCriticalCurrent

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)

GB8807879A1988-04-051988-04-05Retaining devicesExpired - Fee RelatedGB2216826B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8807879AGB2216826B (en)	1988-04-05	1988-04-05	Retaining devices

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8807879AGB2216826B (en)	1988-04-05	1988-04-05	Retaining devices

Publications (3)

Publication Number	Publication Date
GB8807879D0 GB8807879D0 (en)	1988-05-05
GB2216826A GB2216826A (en)	1989-10-18
GB2216826Btrue GB2216826B (en)	1992-03-04

Family

ID=10634549

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8807879AExpired - Fee RelatedGB2216826B (en)	1988-04-05	1988-04-05	Retaining devices

Country Status (1)

Country	Link
GB (1)	GB2216826B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB568225A (en)*	1943-10-01	1945-03-23	Alfred William Beavon	Improvements in taper plug and socket joints
US3534640A (en)*	1968-05-16	1970-10-20	Gen Electro Mech Corp	Tool coupling device
GB1242052A (en)*	1967-05-25	1971-08-11	Wickman Wimet Ltd	Percussive rock drilling apparatus
GB1275443A (en)*	1968-11-29	1972-05-24	Halifax Tool Co Ltd	Improvements in or relating to percussion drills
GB1342470A (en)*	1969-12-22	1974-01-03	Staveley Ind Ltd	Machine-tool spindles or chucks
GB2141659A (en)*	1983-06-20	1985-01-03	Vnii Pk I Mechanizirovannogo	Tool retainer for a percussive tool
US4702328A (en)*	1985-11-22	1987-10-27	Mcsweeney Lawrence H	Roof drilling system

1988
- 1988-04-05GBGB8807879Apatent/GB2216826B/ennot_activeExpired - Fee Related

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB568225A (en)*	1943-10-01	1945-03-23	Alfred William Beavon	Improvements in taper plug and socket joints
GB1242052A (en)*	1967-05-25	1971-08-11	Wickman Wimet Ltd	Percussive rock drilling apparatus
US3534640A (en)*	1968-05-16	1970-10-20	Gen Electro Mech Corp	Tool coupling device
GB1275443A (en)*	1968-11-29	1972-05-24	Halifax Tool Co Ltd	Improvements in or relating to percussion drills
GB1342470A (en)*	1969-12-22	1974-01-03	Staveley Ind Ltd	Machine-tool spindles or chucks
GB2141659A (en)*	1983-06-20	1985-01-03	Vnii Pk I Mechanizirovannogo	Tool retainer for a percussive tool
US4702328A (en)*	1985-11-22	1987-10-27	Mcsweeney Lawrence H	Roof drilling system

Also Published As

Publication number	Publication date
GB2216826A (en)	1989-10-18
GB8807879D0 (en)	1988-05-05

Publication	Publication Date	Title
GB2231832A (en)	1990-11-28	Compression-vacuum precussion device
GB8803641D0 (en)	1988-03-16	Device
GB2221232B (en)	1992-02-26	Anti-perch device
GB8816531D0 (en)	1988-08-17	Punch-measuring device
GB2216941B (en)	1992-04-22	Connection devices
GB8800086D0 (en)	1988-02-10	Ladder-extending device
EP0331894A3 (en)	1990-05-02	Shape-testing device
GB2232139B (en)	1993-12-08	Anti-jack-knife device
GB2216826B (en)	1992-03-04	Retaining devices
GB2217387B (en)	1992-04-29	Anti-waxing device
GB8803266D0 (en)	1988-03-09	Device
GB8809189D0 (en)	1988-05-25	Device
EP0331119A3 (en)	1989-10-18	Belt-locking device
GB8815896D0 (en)	1988-08-10	Devices
GB8807025D0 (en)	1988-04-27	Devices
GB8827421D0 (en)	1988-12-29	Eye-washing devices
GB8826755D0 (en)	1988-12-21	Resuscitation-aspirator devices
GB8825683D0 (en)	1988-12-07	Ablutionary devices
GB8821340D0 (en)	1988-10-12	Devices
GB8821339D0 (en)	1988-10-12	Devices
GB8921691D0 (en)	1989-11-08	Retaining devices
GB8801074D0 (en)	1988-02-17	Device
GB8800227D0 (en)	1988-02-10	Device
GB8805872D0 (en)	1988-04-13	Device
GB8805402D0 (en)	1988-04-07	Nti-intruder device

Legal Events

Date	Code	Title	Description
1994-11-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date:19940405

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