CA1308314C - Pneumatic percussive device - Google Patents

Pneumatic percussive device

Info

Publication number
CA1308314C
CA1308314C CA000575043A CA575043A CA1308314C CA 1308314 C CA1308314 C CA 1308314C CA 000575043 A CA000575043 A CA 000575043A CA 575043 A CA575043 A CA 575043A CA 1308314 C CA1308314 C CA 1308314C
Authority
CA
Canada
Prior art keywords
air
casing
chamber
cavity
air distribution
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.)
Expired - Lifetime
Application number
CA000575043A
Other languages
English (en)
French (fr)
Inventor
Sergei K. Tupitsyn
Konstantin K. Tupitsyn
Nikolai J. Kiselev
Veniamin V. Kamensky
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
Application granted granted Critical
Publication of CA1308314C publication Critical patent/CA1308314C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • 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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Reciprocating Pumps (AREA)
CA000575043A 1987-09-02 1988-08-18 Pneumatic percussive device Expired - Lifetime CA1308314C (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 (1)

Publication Number Publication Date
CA1308314C true CA1308314C (en) 1992-10-06

Family

ID=21325658

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000575043A Expired - Lifetime CA1308314C (en) 1987-09-02 1988-08-18 Pneumatic percussive device

Country Status (8)

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

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

Family Cites Families (2)

* 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
DE2634066C3 (de) * 1976-07-29 1984-09-20 Paul 5940 Lennestadt Schmidt Vorrichtung für den Vor- und Rücklauf von selbstangetriebenen, pneumatischen Rammbohrgeräten

Also Published As

Publication number Publication date
AU603015B2 (en) 1990-11-01
HU885510D0 (instruction) 1990-02-28
WO1989002011A1 (fr) 1989-03-09
SU1678100A1 (ru) 2000-02-20
EP0352327A4 (en) 1991-07-31
AU2424688A (en) 1989-03-31
ES2010343A6 (es) 1989-11-01
FI893122A7 (fi) 1989-06-27
FI893122L (fi) 1989-06-27
EP0352327A1 (de) 1990-01-31
FI893122A0 (fi) 1989-06-27

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