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FR951312A - Improvements in methods and devices for manufacturing screws - Google Patents

Improvements in methods and devices for manufacturing screws

Info

Publication number
FR951312A
FR951312A FR951312DA FR951312A FR 951312 A FR951312 A FR 951312A FR 951312D A FR951312D A FR 951312DA FR 951312 A FR951312 A FR 951312A
Authority
FR
France
Prior art keywords
methods
devices
manufacturing screws
screws
manufacturing
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.)
NEW PROCESS SCREW CORP
Original Assignee
NEW PROCESS SCREW CORP
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 NEW PROCESS SCREW CORP filed Critical NEW PROCESS SCREW CORP
Application granted granted Critical
Publication of FR951312A publication Critical patent/FR951312A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR951312D 1939-08-17 1947-08-05 Improvements in methods and devices for manufacturing screws Expired FR951312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951312XA 1939-08-17 1939-08-17

Publications (1)

Publication Number Publication Date
FR951312A true FR951312A (en) 1949-10-21

Family

ID=22249949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951312D Expired FR951312A (en) 1939-08-17 1947-08-05 Improvements in methods and devices for manufacturing screws

Country Status (1)

Country Link
FR (1) FR951312A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150859B (en) * 1958-10-30 1963-06-27 Nat Machinery Co Double pressure press for producing headed studs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150859B (en) * 1958-10-30 1963-06-27 Nat Machinery Co Double pressure press for producing headed studs

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