EP0352327A4 - Pneumatically-operated percussion device - Google Patents

Pneumatically-operated percussion device

Info

Publication number
EP0352327A4
EP0352327A4 EP19880908419 EP88908419A EP0352327A4 EP 0352327 A4 EP0352327 A4 EP 0352327A4 EP 19880908419 EP19880908419 EP 19880908419 EP 88908419 A EP88908419 A EP 88908419A EP 0352327 A4 EP0352327 A4 EP 0352327A4
Authority
EP
European Patent Office
Prior art keywords
air
shock
chamber
communicated
camera
Prior art date
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Withdrawn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
EP19880908419
Other languages
German (de)
English (en)
Russian (ru)
Other versions
EP0352327A1 (de
Inventor
Konstantin Konstantinovich Tupitsin
Sergei Konstantinovich Tupitsin
Veniamin Viktorovich Kamensky
Nikolai Jurievich Kiselev
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.)
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Original Assignee
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
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.)
Filing date
Publication date
Application filed by Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR filed Critical Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Publication of EP0352327A1 publication Critical patent/EP0352327A1/de
Publication of EP0352327A4 publication Critical patent/EP0352327A4/de
Withdrawn legal-status Critical Current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

Definitions

  • the outlet section is open and fully open

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Reciprocating Pumps (AREA)
EP19880908419 1987-09-02 1988-08-30 Pneumatically-operated percussion device Withdrawn EP0352327A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU4300605 1987-09-02
SU4300605/03A SU1678100A1 (ru) 1987-09-02 1987-09-02 Пневматическое устройство ударного действия

Publications (2)

Publication Number Publication Date
EP0352327A1 EP0352327A1 (de) 1990-01-31
EP0352327A4 true EP0352327A4 (en) 1991-07-31

Family

ID=21325658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880908419 Withdrawn EP0352327A4 (en) 1987-09-02 1988-08-30 Pneumatically-operated percussion device

Country Status (8)

Country Link
EP (1) EP0352327A4 (fi)
AU (1) AU603015B2 (fi)
CA (1) CA1308314C (fi)
ES (1) ES2010343A6 (fi)
FI (1) FI893122A0 (fi)
HU (1) HU885510D0 (fi)
SU (1) SU1678100A1 (fi)
WO (1) WO1989002011A1 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129761A (en) 1995-06-07 2000-10-10 Reprogenesis, Inc. Injectable hydrogel compositions
CN102012339B (zh) * 2010-12-15 2012-06-27 山东大学 适用于地质力学模型试验的超薄柔性均布压力加载装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974885A (en) * 1972-07-10 1976-08-17 Boris Vasilievich Sudnishnikov Pneumatic percussive power tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2634066C3 (de) * 1976-07-29 1984-09-20 Paul 5940 Lennestadt Schmidt Vorrichtung für den Vor- und Rücklauf von selbstangetriebenen, pneumatischen Rammbohrgeräten

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974885A (en) * 1972-07-10 1976-08-17 Boris Vasilievich Sudnishnikov Pneumatic percussive power tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8902011A1 *

Also Published As

Publication number Publication date
EP0352327A1 (de) 1990-01-31
CA1308314C (en) 1992-10-06
ES2010343A6 (es) 1989-11-01
SU1678100A1 (ru) 2000-02-20
HU885510D0 (fi) 1990-02-28
FI893122A (fi) 1989-06-27
FI893122A0 (fi) 1989-06-27
AU2424688A (en) 1989-03-31
AU603015B2 (en) 1990-11-01
WO1989002011A1 (en) 1989-03-09

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19890517

AK Designated contracting states

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A4 Supplementary search report drawn up and despatched

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18D Application deemed to be withdrawn

Effective date: 19930105