CA1060427A - Marteau pneumatique a percussion - Google Patents

Marteau pneumatique a percussion

Info

Publication number
CA1060427A
CA1060427A CA280,260A CA280260A CA1060427A CA 1060427 A CA1060427 A CA 1060427A CA 280260 A CA280260 A CA 280260A CA 1060427 A CA1060427 A CA 1060427A
Authority
CA
Canada
Prior art keywords
piston
housing
air
passage
bit
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
CA280,260A
Other languages
English (en)
Inventor
William Lister
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 CA280,260A priority Critical patent/CA1060427A/fr
Application granted granted Critical
Publication of CA1060427A publication Critical patent/CA1060427A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA280,260A 1977-06-10 1977-06-10 Marteau pneumatique a percussion Expired CA1060427A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA280,260A CA1060427A (fr) 1977-06-10 1977-06-10 Marteau pneumatique a percussion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA280,260A CA1060427A (fr) 1977-06-10 1977-06-10 Marteau pneumatique a percussion

Publications (1)

Publication Number Publication Date
CA1060427A true CA1060427A (fr) 1979-08-14

Family

ID=4108862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA280,260A Expired CA1060427A (fr) 1977-06-10 1977-06-10 Marteau pneumatique a percussion

Country Status (1)

Country Link
CA (1) CA1060427A (fr)

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