CH536676A - Die for the manufacture by rolling screws, the use of two dies, and method of manufacturing this die - Google Patents

Die for the manufacture by rolling screws, the use of two dies, and method of manufacturing this die

Info

Publication number
CH536676A
CH536676A CH139371A CH139371A CH536676A CH 536676 A CH536676 A CH 536676A CH 139371 A CH139371 A CH 139371A CH 139371 A CH139371 A CH 139371A CH 536676 A CH536676 A CH 536676A
Authority
CH
Switzerland
Prior art keywords
die
dies
manufacture
manufacturing
rolling screws
Prior art date
Application number
CH139371A
Other languages
French (fr)
Inventor
Simons Leon
Original Assignee
Nat Lead 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 Nat Lead Co filed Critical Nat Lead Co
Publication of CH536676A publication Critical patent/CH536676A/en

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
    • B21H3/027—Rolling of self-tapping screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Turning (AREA)
CH139371A 1970-01-30 1971-01-29 Die for the manufacture by rolling screws, the use of two dies, and method of manufacturing this die CH536676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US728070A 1970-01-30 1970-01-30

Publications (1)

Publication Number Publication Date
CH536676A true CH536676A (en) 1973-05-15

Family

ID=21725243

Family Applications (1)

Application Number Title Priority Date Filing Date
CH139371A CH536676A (en) 1970-01-30 1971-01-29 Die for the manufacture by rolling screws, the use of two dies, and method of manufacturing this die

Country Status (10)

Country Link
JP (1) JPS5218142B1 (en)
BE (1) BE762213A (en)
CA (1) CA963209A (en)
CH (1) CH536676A (en)
DE (1) DE2104297A1 (en)
FR (1) FR2077175A5 (en)
GB (1) GB1342644A (en)
NL (1) NL7101205A (en)
SE (1) SE409297B (en)
ZA (1) ZA71559B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535499A1 (en) * 1975-08-08 1977-02-17 Standard Pressed Steel Co Thread rolling die - includes inserts designed to impart special thread configurations to part of fastener
DE2703433A1 (en) * 1977-01-28 1978-12-07 Schumacher Wilhelm Kg THREAD FORMING SCREW AND METHOD OF MANUFACTURING THE SAME AND ROLLING JAW FOR PERFORMING THE METHOD
DE29818546U1 (en) 1998-10-17 1999-01-28 Werkzeugtechnik Niederstetten GmbH & Co. KG, 97996 Niederstetten Flat rolling jaw
CN100381249C (en) * 2006-05-15 2008-04-16 浙江大学 Automatic sequencing feeding machine

Also Published As

Publication number Publication date
DE2104297A1 (en) 1971-08-12
GB1342644A (en) 1974-01-03
SE409297B (en) 1979-08-13
NL7101205A (en) 1971-08-03
CA963209A (en) 1975-02-25
BE762213A (en) 1971-07-29
ZA71559B (en) 1972-03-29
FR2077175A5 (en) 1971-10-15
JPS5218142B1 (en) 1977-05-19

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Legal Events

Date Code Title Description
PL Patent ceased