FR935431A - Porte-couteau rapidement amovible pour tiges de forage - Google Patents

Porte-couteau rapidement amovible pour tiges de forage

Info

Publication number
FR935431A
FR935431A FR935431DA FR935431A FR 935431 A FR935431 A FR 935431A FR 935431D A FR935431D A FR 935431DA FR 935431 A FR935431 A FR 935431A
Authority
FR
France
Prior art keywords
knife holder
drill rods
quickly removable
removable knife
quickly
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
Other languages
English (en)
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.)
Zbrojovka Brno np
Original Assignee
Zbrojovka Brno np
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 Zbrojovka Brno np filed Critical Zbrojovka Brno np
Application granted granted Critical
Publication of FR935431A publication Critical patent/FR935431A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/03—Boring heads
    • B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
    • B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
    • B23B29/03407—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing by means of screws and nuts
    • B23B29/0341—Cartridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
FR935431D 1945-11-04 1946-10-29 Porte-couteau rapidement amovible pour tiges de forage Expired FR935431A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS262030X 1945-11-04

Publications (1)

Publication Number Publication Date
FR935431A true FR935431A (fr) 1948-06-18

Family

ID=5451556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935431D Expired FR935431A (fr) 1945-11-04 1946-10-29 Porte-couteau rapidement amovible pour tiges de forage

Country Status (3)

Country Link
CH (1) CH262030A (fr)
FR (1) FR935431A (fr)
GB (1) GB631116A (fr)

Also Published As

Publication number Publication date
GB631116A (en) 1949-10-27
CH262030A (de) 1949-06-15

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