CA563969A - Douille d'obturation pour perforatrices - Google Patents

Douille d'obturation pour perforatrices

Info

Publication number
CA563969A
CA563969A CA563969A CA563969DA CA563969A CA 563969 A CA563969 A CA 563969A CA 563969 A CA563969 A CA 563969A CA 563969D A CA563969D A CA 563969DA CA 563969 A CA563969 A CA 563969A
Authority
CA
Canada
Prior art keywords
packing sleeve
rock drills
drills
rock
packing
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
CA563969A
Other languages
English (en)
Inventor
E. R. Lofqvist Bengt
Berggren Bjorn
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.)
Sandco Ltd
Original Assignee
Sandco Ltd
Publication date
Application granted granted Critical
Publication of CA563969A publication Critical patent/CA563969A/fr
Expired legal-status Critical Current

Links

CA563969A Douille d'obturation pour perforatrices Expired CA563969A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA563969T

Publications (1)

Publication Number Publication Date
CA563969A true CA563969A (fr) 1958-09-30

Family

ID=35730416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA563969A Expired CA563969A (fr) Douille d'obturation pour perforatrices

Country Status (1)

Country Link
CA (1) CA563969A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952433A (en) * 1974-09-03 1976-04-27 Caterpillar Tractor Co. Spring clip retaining means for earthworking tips

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952433A (en) * 1974-09-03 1976-04-27 Caterpillar Tractor Co. Spring clip retaining means for earthworking tips

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