FR836265A - Improvements to taps, especially for threaded pipe connections - Google Patents

Improvements to taps, especially for threaded pipe connections

Info

Publication number
FR836265A
FR836265A FR836265DA FR836265A FR 836265 A FR836265 A FR 836265A FR 836265D A FR836265D A FR 836265DA FR 836265 A FR836265 A FR 836265A
Authority
FR
France
Prior art keywords
taps
threaded pipe
pipe connections
connections
threaded
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 FR836265A publication Critical patent/FR836265A/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)
FR836265D 1938-04-06 1938-04-06 Improvements to taps, especially for threaded pipe connections Expired FR836265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836265T 1938-04-06

Publications (1)

Publication Number Publication Date
FR836265A true FR836265A (en) 1939-01-13

Family

ID=9298012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836265D Expired FR836265A (en) 1938-04-06 1938-04-06 Improvements to taps, especially for threaded pipe connections

Country Status (1)

Country Link
FR (1) FR836265A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938455C (en) * 1941-09-30 1956-02-02 Landis Machine Company Thread cutting device for producing tapered threads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE938455C (en) * 1941-09-30 1956-02-02 Landis Machine Company Thread cutting device for producing tapered threads

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