FR859493A - Tapping machines, in particular for couplings or pipe fittings - Google Patents

Tapping machines, in particular for couplings or pipe fittings

Info

Publication number
FR859493A
FR859493A FR859493DA FR859493A FR 859493 A FR859493 A FR 859493A FR 859493D A FR859493D A FR 859493DA FR 859493 A FR859493 A FR 859493A
Authority
FR
France
Prior art keywords
couplings
pipe fittings
tapping machines
tapping
machines
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)
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.)
Devlieg Bullard Inc
Original Assignee
National Acme Co
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 National Acme Co filed Critical National Acme Co
Application granted granted Critical
Publication of FR859493A publication Critical patent/FR859493A/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
    • B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • 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
    • 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)
  • Auxiliary Devices For Machine Tools (AREA)
  • Gripping On Spindles (AREA)
FR859493D 1938-09-03 1939-08-26 Tapping machines, in particular for couplings or pipe fittings Expired FR859493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532069XA 1938-09-03 1938-09-03

Publications (1)

Publication Number Publication Date
FR859493A true FR859493A (en) 1940-12-19

Family

ID=21982625

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859493D Expired FR859493A (en) 1938-09-03 1939-08-26 Tapping machines, in particular for couplings or pipe fittings

Country Status (3)

Country Link
DE (1) DE916613C (en)
FR (1) FR859493A (en)
GB (1) GB532069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111250804A (en) * 2020-04-27 2020-06-09 宁波市沃瑞斯机械科技有限公司 Special pipe end part thread rib forming device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114310389B (en) * 2021-12-24 2023-10-31 霍山嘉远智能制造有限公司 Horizontal machining center clamping device for valve machining

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1707421A (en) * 1929-04-02 Metal working machine
US1574631A (en) * 1922-04-22 1926-02-23 George E Mirfield Method and apparatus for threading metal articles
GB464916A (en) * 1935-08-23 1937-04-23 Rudolf Francis Weiser Improved method of and apparatus for machining and/or threading pipe sockets and the like, particularly boring tube sockets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111250804A (en) * 2020-04-27 2020-06-09 宁波市沃瑞斯机械科技有限公司 Special pipe end part thread rib forming device
CN111250804B (en) * 2020-04-27 2020-07-24 宁波市沃瑞斯机械科技有限公司 Special pipe end part thread rib forming device

Also Published As

Publication number Publication date
DE916613C (en) 1954-08-12
GB532069A (en) 1941-01-16

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