CA1071947A - Marteau-perforateur pneumatique - Google Patents

Marteau-perforateur pneumatique

Info

Publication number
CA1071947A
CA1071947A CA263,063A CA263063A CA1071947A CA 1071947 A CA1071947 A CA 1071947A CA 263063 A CA263063 A CA 263063A CA 1071947 A CA1071947 A CA 1071947A
Authority
CA
Canada
Prior art keywords
piston
casing
chamber
length
valve assembly
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
Application number
CA263,063A
Other languages
English (en)
Inventor
Abraham Gien
Bernard L. Gien
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA263,063A priority Critical patent/CA1071947A/fr
Application granted granted Critical
Publication of CA1071947A publication Critical patent/CA1071947A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
CA263,063A 1976-10-08 1976-10-08 Marteau-perforateur pneumatique Expired CA1071947A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA263,063A CA1071947A (fr) 1976-10-08 1976-10-08 Marteau-perforateur pneumatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA263,063A CA1071947A (fr) 1976-10-08 1976-10-08 Marteau-perforateur pneumatique

Publications (1)

Publication Number Publication Date
CA1071947A true CA1071947A (fr) 1980-02-19

Family

ID=4107030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263,063A Expired CA1071947A (fr) 1976-10-08 1976-10-08 Marteau-perforateur pneumatique

Country Status (1)

Country Link
CA (1) CA1071947A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998706A (zh) * 2011-08-19 2014-08-20 翰美吉公司 在硬地层中冲击钻孔的高频液压驱动钻锤

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103998706A (zh) * 2011-08-19 2014-08-20 翰美吉公司 在硬地层中冲击钻孔的高频液压驱动钻锤

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Legal Events

Date Code Title Description
MKEX Expiry