FR951314A - Perfectionnements apportés aux procédés et machines pour fabriquer des vis laminées - Google Patents

Perfectionnements apportés aux procédés et machines pour fabriquer des vis laminées

Info

Publication number
FR951314A
FR951314A FR951314DA FR951314A FR 951314 A FR951314 A FR 951314A FR 951314D A FR951314D A FR 951314DA FR 951314 A FR951314 A FR 951314A
Authority
FR
France
Prior art keywords
machines
processes
manufacturing rolled
rolled screws
screws
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
English (en)
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
Priority claimed from US480018A external-priority patent/US2373948A/en
Application filed by NEW PROCESS SCREW CORP filed Critical NEW PROCESS SCREW CORP
Application granted granted Critical
Publication of FR951314A publication Critical patent/FR951314A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
FR951314D 1943-03-22 1947-08-05 Perfectionnements apportés aux procédés et machines pour fabriquer des vis laminées Expired FR951314A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US480018A US2373948A (en) 1939-08-17 1943-03-22 Method of making diamond headed screw blanks for double threaded screws and header dies for use therewith

Publications (1)

Publication Number Publication Date
FR951314A true FR951314A (fr) 1949-10-21

Family

ID=23906340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951314D Expired FR951314A (fr) 1943-03-22 1947-08-05 Perfectionnements apportés aux procédés et machines pour fabriquer des vis laminées

Country Status (3)

Country Link
BE (1) BE476057A (enrdf_load_stackoverflow)
FR (1) FR951314A (enrdf_load_stackoverflow)
GB (1) GB674222A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150859B (de) * 1958-10-30 1963-06-27 Nat Machinery Co Doppeldruckpresse zum Herstellen von Kopfbolzen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150859B (de) * 1958-10-30 1963-06-27 Nat Machinery Co Doppeldruckpresse zum Herstellen von Kopfbolzen

Also Published As

Publication number Publication date
GB674222A (en) 1952-06-18
BE476057A (enrdf_load_stackoverflow)

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