FR723489A - Method and device for the manufacture of screws - Google Patents

Method and device for the manufacture of screws

Info

Publication number
FR723489A
FR723489A FR723489DA FR723489A FR 723489 A FR723489 A FR 723489A FR 723489D A FR723489D A FR 723489DA FR 723489 A FR723489 A FR 723489A
Authority
FR
France
Prior art keywords
screws
manufacture
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
Per Leonard Stenman
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 FR723489A publication Critical patent/FR723489A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G7/00—Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
FR723489D 1931-09-30 1931-09-30 Method and device for the manufacture of screws Expired FR723489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR723489T 1931-09-30

Publications (1)

Publication Number Publication Date
FR723489A true FR723489A (en) 1932-04-09

Family

ID=9105075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723489D Expired FR723489A (en) 1931-09-30 1931-09-30 Method and device for the manufacture of screws

Country Status (1)

Country Link
FR (1) FR723489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875650A (en) * 1954-12-21 1959-03-03 Hazlinger John Double end forming, drilling, etc., machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875650A (en) * 1954-12-21 1959-03-03 Hazlinger John Double end forming, drilling, etc., machine

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