EP0462821A3 - Swivel assembly for a pneumatic underground piercing tool - Google Patents

Swivel assembly for a pneumatic underground piercing tool Download PDF

Info

Publication number: EP0462821A3
Authority: EP; European Patent Office
Prior art keywords: swivel assembly; piercing tool; underground piercing; pneumatic; pneumatic underground
Prior art date: 1990-06-20
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19910305550

Other versions

EP0462821A2 (en

Inventor

Michael Baron

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.)

Allied Steel and Tractor Products Inc

Original Assignee

Allied Steel and Tractor Products 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.)

1990-06-20

Filing date

1991-06-19

Publication date

1993-01-27

1991-06-19 Application filed by Allied Steel and Tractor Products Inc filed Critical Allied Steel and Tractor Products Inc

1991-12-27 Publication of EP0462821A2 publication Critical patent/EP0462821A2/en

1993-01-27 Publication of EP0462821A3 publication Critical patent/EP0462821A3/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
- E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Quick-Acting Or Multi-Walled Pipe Joints (AREA)

EP19910305550 1990-06-20 1991-06-19 Swivel assembly for a pneumatic underground piercing tool Withdrawn EP0462821A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US54105490A	1990-06-20	1990-06-20
US541054		1990-06-20

Publications (2)

Publication Number	Publication Date
EP0462821A2 EP0462821A2 (en)	1991-12-27
EP0462821A3 true EP0462821A3 (en)	1993-01-27

Family

ID=24158005

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19910305550 Withdrawn EP0462821A3 (en)	1990-06-20	1991-06-19	Swivel assembly for a pneumatic underground piercing tool

Country Status (1)

Country	Link
EP (1)	EP0462821A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111852325B (en) *	2020-07-28	2022-12-27	浙江开山钎具有限公司	Down-the-hole hammer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1170167A (en) *	1967-03-14	1969-11-12	Inst Gornogo Dela Sibirskogo O	Percussion Ground-Burrowing Device.
GB1530857A (en) *	1977-06-23	1978-11-01	Inst Gor Dela Sibir Otdel An S	Reversible pneumatic percussive device
US4662457A (en) *	1984-10-19	1987-05-05	Allied Steel & Tractor Products, Inc.	Reversible underground piercing device
EP0224859A1 (en) *	1985-11-27	1987-06-10	Oklahoma Airrow, Inc.	Air driven impact operated ground piercing tool
EP0301287A2 (en) *	1987-07-25	1989-02-01	Paul Schmidt	Boring ram

1991
- 1991-06-19 EP EP19910305550 patent/EP0462821A3/en not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1170167A (en) *	1967-03-14	1969-11-12	Inst Gornogo Dela Sibirskogo O	Percussion Ground-Burrowing Device.
GB1530857A (en) *	1977-06-23	1978-11-01	Inst Gor Dela Sibir Otdel An S	Reversible pneumatic percussive device
US4662457A (en) *	1984-10-19	1987-05-05	Allied Steel & Tractor Products, Inc.	Reversible underground piercing device
EP0224859A1 (en) *	1985-11-27	1987-06-10	Oklahoma Airrow, Inc.	Air driven impact operated ground piercing tool
EP0301287A2 (en) *	1987-07-25	1989-02-01	Paul Schmidt	Boring ram

Also Published As

Publication number	Publication date
EP0462821A2 (en)	1991-12-27

Legal Events

Date	Code	Title	Description
1991-11-08	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-12-27	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-12-09	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-01-27	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1994-02-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1994-03-23	18D	Application deemed to be withdrawn	Effective date: 19930728

Publication	Publication Date	Title
AU8307591A (en)	1992-01-07	Operator interface for a system for locating concealed underground objects
GB2255580B (en)	1995-04-05	A well tool
HK1001721A1 (en)	1998-07-03	A tool assembly
GB2266551B (en)	1995-06-14	A pneumatic hammer
GB2279096B (en)	1996-11-27	Dual-diameter pneumatic ground piercing tool
GB2250459B (en)	1994-08-17	A boring tool
GB2266909B (en)	1995-06-28	A pneumatic hammer
GB9004370D0 (en)	1990-04-25	A connector for a hose
GB2243903B (en)	1994-02-23	A gas-powered tool
GB9211064D0 (en)	1992-07-08	A tool
GB2263749B (en)	1994-05-11	A seal for a pipe
EP0462821A3 (en)	1993-01-27	Swivel assembly for a pneumatic underground piercing tool
GB9310549D0 (en)	1993-07-07	Adaptor for a drill stand
AU7627991A (en)	1991-11-14	A mining machine
AU5030290A (en)	1990-08-24	Arrangement for a hose coupling
GB2273258B (en)	1995-01-04	A cutting tool
AU120324S (en)	1994-05-16	A work station
ZA934109B (en)	1994-01-13	A penetrated tool system
AU113823S (en)	1992-05-05	A sealing tool
AU3041989A (en)	1989-08-11	A drilling tool
AU103988S (en)	1989-06-01	A work station
GB9208669D0 (en)	1992-06-10	A drilling tool section
GB9322803D0 (en)	1993-12-22	A tool for digging
GB9210628D0 (en)	1992-07-01	A tool
AU115145S (en)	1992-09-17	A tool