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FR812130A - Improved method and apparatus for machining and tapping coupling sleeves and the like - Google Patents

Improved method and apparatus for machining and tapping coupling sleeves and the like

Info

Publication number
FR812130A
FR812130A FR812130DA FR812130A FR 812130 A FR812130 A FR 812130A FR 812130D A FR812130D A FR 812130DA FR 812130 A FR812130 A FR 812130A
Authority
FR
France
Prior art keywords
machining
improved method
coupling sleeves
tapping coupling
tapping
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
Rudolf Francis Weiser
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 FR812130A publication Critical patent/FR812130A/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
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/22—Machines specially designed for operating on pipes or tubes
    • B23G1/225—Machines specially designed for operating on pipes or tubes automatically controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR812130D 1935-08-23 1936-08-24 Improved method and apparatus for machining and tapping coupling sleeves and the like Expired FR812130A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB812130X 1935-08-23

Publications (1)

Publication Number Publication Date
FR812130A true FR812130A (en) 1937-04-30

Family

ID=10523147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812130D Expired FR812130A (en) 1935-08-23 1936-08-24 Improved method and apparatus for machining and tapping coupling sleeves and the like

Country Status (1)

Country Link
FR (1) FR812130A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE929455C (en) * 1953-02-13 1955-06-27 Boehme Co Dr Ing Two-spindle automatic bar machine with fixed workpieces and rotating tools
DE933600C (en) * 1940-01-30 1955-09-29 Nat Acme Co Chuck device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE933600C (en) * 1940-01-30 1955-09-29 Nat Acme Co Chuck device
DE929455C (en) * 1953-02-13 1955-06-27 Boehme Co Dr Ing Two-spindle automatic bar machine with fixed workpieces and rotating tools

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