CA1057276A - Foreuse a outil de coupe echangeable - Google Patents

Foreuse a outil de coupe echangeable

Info

Publication number
CA1057276A
CA1057276A CA292,725A CA292725A CA1057276A CA 1057276 A CA1057276 A CA 1057276A CA 292725 A CA292725 A CA 292725A CA 1057276 A CA1057276 A CA 1057276A
Authority
CA
Canada
Prior art keywords
shaft
mounting
stem
planar surface
cutter
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
CA292,725A
Other languages
English (en)
Inventor
Robert L. Dixon
Malcolm D. Maxsted
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.)
Smith International Inc
Original Assignee
Smith International Inc
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
Priority claimed from US05/593,839 external-priority patent/US4007799A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority to CA292,725A priority Critical patent/CA1057276A/fr
Application granted granted Critical
Publication of CA1057276A publication Critical patent/CA1057276A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA292,725A 1975-07-07 1977-12-08 Foreuse a outil de coupe echangeable Expired CA1057276A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA292,725A CA1057276A (fr) 1975-07-07 1977-12-08 Foreuse a outil de coupe echangeable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/593,839 US4007799A (en) 1975-07-07 1975-07-07 Raise drill with replaceable stem
CA255,973A CA1057275A (fr) 1975-07-07 1976-06-29 Foreuse avec maitresse-tige remplacable, et maitresse-tige de rechange
CA292,725A CA1057276A (fr) 1975-07-07 1977-12-08 Foreuse a outil de coupe echangeable

Publications (1)

Publication Number Publication Date
CA1057276A true CA1057276A (fr) 1979-06-26

Family

ID=27164536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,725A Expired CA1057276A (fr) 1975-07-07 1977-12-08 Foreuse a outil de coupe echangeable

Country Status (1)

Country Link
CA (1) CA1057276A (fr)

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