FR641301A - Apparatus for cutting washers following a circle in order to obtain circular holes - Google Patents

Apparatus for cutting washers following a circle in order to obtain circular holes

Info

Publication number
FR641301A
FR641301A FR641301DA FR641301A FR 641301 A FR641301 A FR 641301A FR 641301D A FR641301D A FR 641301DA FR 641301 A FR641301 A FR 641301A
Authority
FR
France
Prior art keywords
circle
order
following
circular holes
obtain circular
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
French (fr)
Inventor
Arthur Wanner
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 filed Critical
Application granted granted Critical
Publication of FR641301A publication Critical patent/FR641301A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/05—Drills for trepanning for cutting discs from sheet
FR641301D 1927-09-22 1927-09-22 Apparatus for cutting washers following a circle in order to obtain circular holes Expired FR641301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641301T 1927-09-22

Publications (1)

Publication Number Publication Date
FR641301A true FR641301A (en) 1928-08-01

Family

ID=8998058

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641301D Expired FR641301A (en) 1927-09-22 1927-09-22 Apparatus for cutting washers following a circle in order to obtain circular holes

Country Status (1)

Country Link
FR (1) FR641301A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475668A (en) * 1946-02-27 1949-07-12 Ernst F Krist Annular cutter
US5236290A (en) * 1992-03-16 1993-08-17 Mittleman M Budd Adjustable hole cutting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2475668A (en) * 1946-02-27 1949-07-12 Ernst F Krist Annular cutter
US5236290A (en) * 1992-03-16 1993-08-17 Mittleman M Budd Adjustable hole cutting device

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