CA2440176C - Mecanisme de saisie des tiges de forage d'un trou de mine - Google Patents

Mecanisme de saisie des tiges de forage d'un trou de mine Download PDF

Info

Publication number: CA2440176C
Authority: CA; Canada
Prior art keywords: arm; wrench; grip; jaw; cylinder
Prior art date: 1996-06-27
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

CA002440176A

Other languages

English (en)

Other versions

CA2440176A1 (fr

Inventor

Erwin Mock

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.)

Caterpillar Global Mining LLC

Original Assignee

Bucyrus International Inc

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.)

1996-06-27

Filing date

1997-06-26

Publication date

2004-06-22

1997-06-26 Application filed by Bucyrus International Inc filed Critical Bucyrus International Inc

1997-06-26 Priority claimed from CA002208865A external-priority patent/CA2208865C/fr

1997-12-27 Publication of CA2440176A1 publication Critical patent/CA2440176A1/fr

2004-06-22 Application granted granted Critical

2004-06-22 Publication of CA2440176C publication Critical patent/CA2440176C/fr

2017-06-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000007246 mechanism Effects 0.000 title claims abstract description 24
238000000034 method Methods 0.000 claims abstract description 5
239000010720 hydraulic oil Substances 0.000 description 4
230000000712 assembly Effects 0.000 description 3
238000000429 assembly Methods 0.000 description 3
238000005553 drilling Methods 0.000 description 3
238000012163 sequencing technique Methods 0.000 description 3
230000000694 effects Effects 0.000 description 2
230000007935 neutral effect Effects 0.000 description 1
239000003921 oil Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1

Landscapes

Earth Drilling (AREA)

CA002440176A 1996-06-27 1997-06-26 Mecanisme de saisie des tiges de forage d'un trou de mine Expired - Fee Related CA2440176C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US2069296P	1996-06-27	1996-06-27
US2066296P	1996-06-27	1996-06-27
US60/020,692		1996-06-27
US60/020,662		1996-06-27
CA002208865A CA2208865C (fr)	1996-06-27	1997-06-26	Mecanisme de saisie des tiges de forage d'un trou de mine

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002208865A Division CA2208865C (fr)	1996-06-27	1997-06-26	Mecanisme de saisie des tiges de forage d'un trou de mine

Publications (2)

Publication Number	Publication Date
CA2440176A1 CA2440176A1 (fr)	1997-12-27
CA2440176C true CA2440176C (fr)	2004-06-22

Family

ID=29273249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002440176A Expired - Fee Related CA2440176C (fr)	1996-06-27	1997-06-26	Mecanisme de saisie des tiges de forage d'un trou de mine

Country Status (1)

Country	Link
CA (1)	CA2440176C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE528664C2 (sv) *	2004-01-14	2007-01-16	Atlas Copco Rock Drills Ab	Hållarnyckel för bergborrningsmaskin och bergborrningsmaskin inkluderande en sådan hållarnyckel

1997
- 1997-06-26 CA CA002440176A patent/CA2440176C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2440176A1 (fr)	1997-12-27

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Legal Events

Date	Code	Title	Description
2003-09-09	EEER	Examination request
2017-08-08	MKLA	Lapsed	Effective date: 20170627