CA1325562C - Outil de percussion mecanique - Google Patents

Outil de percussion mecanique

Info

Publication number: CA1325562C
Authority: CA; Canada
Prior art keywords: tool; holder; piston; spool; spool valve
Prior art date: 1988-07-27
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

Application number

CA000606783A

Other languages

English (en)

Inventor

John Grham Davies

Bruce Foster

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.)

Boart UK Ltd

Original Assignee

Boart UK 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.)

1988-07-27

Filing date

1989-07-27

Publication date

1993-12-28

1989-07-27 Application filed by Boart UK Ltd filed Critical Boart UK Ltd

1993-12-28 Application granted granted Critical

1993-12-28 Publication of CA1325562C publication Critical patent/CA1325562C/fr

2010-12-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000012530 fluid Substances 0.000 claims abstract description 11
239000011435 rock Substances 0.000 description 13
238000005553 drilling Methods 0.000 description 6
230000035515 penetration Effects 0.000 description 3
VVNCNSJFMMFHPL-VKHMYHEASA-N D-penicillamine Chemical compound CC(C)(S)[C@@H](N)C(O)=O VVNCNSJFMMFHPL-VKHMYHEASA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229940075911 depen Drugs 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000002706 hydrostatic effect Effects 0.000 description 1
238000000034 method Methods 0.000 description 1
KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
238000009527 percussion Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
- B25D17/084—Rotating chucks or sockets
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Automation & Control Theory (AREA)
Earth Drilling (AREA)
Percussive Tools And Related Accessories (AREA)

CA000606783A 1988-07-27 1989-07-27 Outil de percussion mecanique Expired - Fee Related CA1325562C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB888817907A GB8817907D0 (en)	1988-07-27	1988-07-27	Reciprocating percussive device
GB8817907.2		1988-07-27

Publications (1)

Publication Number	Publication Date
CA1325562C true CA1325562C (fr)	1993-12-28

Family

ID=10641208

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000606783A Expired - Fee Related CA1325562C (fr)	1988-07-27	1989-07-27	Outil de percussion mecanique

Country Status (3)

Country	Link
CA (1)	CA1325562C (fr)
GB (2)	GB8817907D0 (fr)
ZA (1)	ZA895716B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI98401C (fi) *	1995-10-10	1997-06-10	Tamrock Oy	Menetelmä porakoneen porauksen säätämiseksi ja kallioporakone
WO1998008657A1 (fr) *	1996-08-29	1998-03-05	Twinwood Engineering Ltd	Ensemble soupape de commande

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB261824A (en) *	1925-08-15	1926-11-15	George Henry Turton Rayner	Improvements in or relating to percussive tools
SE319134B (fr) *	1968-05-08	1969-12-22	Atlas Copco Ab
US3721095A (en) *	1971-08-23	1973-03-20	Bolt Associates Inc	Controllable force method and system of driving piles
US3995700A (en) *	1975-10-14	1976-12-07	Gardner-Denver Company	Hydraulic rock drill system

1988
- 1988-07-27 GB GB888817907A patent/GB8817907D0/en active Pending
1989
- 1989-07-27 GB GB8917175A patent/GB2221418B/en not_active Expired - Lifetime
- 1989-07-27 CA CA000606783A patent/CA1325562C/fr not_active Expired - Fee Related
- 1989-07-27 ZA ZA895716A patent/ZA895716B/xx unknown

Also Published As

Publication number	Publication date
GB8917175D0 (en)	1989-09-13
GB8817907D0 (en)	1988-09-01
GB2221418A (en)	1990-02-07
GB2221418B (en)	1992-02-19
ZA895716B (en)	1990-04-25

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Legal Events

Date	Code	Title	Description
2003-12-29	MKLA	Lapsed