ZA71559B - Thread-rolling method,thread-rolling dies,and method of manufacturing the dies - Google Patents

Thread-rolling method,thread-rolling dies,and method of manufacturing the dies

Info

Publication number
ZA71559B
ZA71559B ZA710559A ZA71559A ZA71559B ZA 71559 B ZA71559 B ZA 71559B ZA 710559 A ZA710559 A ZA 710559A ZA 71559 A ZA71559 A ZA 71559A ZA 71559 B ZA71559 B ZA 71559B
Authority
ZA
South Africa
Prior art keywords
thread
dies
rolling
manufacturing
rolling method
Prior art date
Application number
ZA710559A
Other languages
English (en)
Inventor
L Simons
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 ZA71559B publication Critical patent/ZA71559B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00Making helical bodies or bodies having parts of helical shape
    • B21H3/02Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/027Rolling of self-tapping screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Turning (AREA)
ZA710559A 1970-01-30 1971-01-28 Thread-rolling method,thread-rolling dies,and method of manufacturing the dies ZA71559B (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
ZA71559B true ZA71559B (en) 1972-03-29

Family

ID=21725243

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA710559A ZA71559B (en) 1970-01-30 1971-01-28 Thread-rolling method,thread-rolling dies,and method of manufacturing the dies

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535499A1 (de) * 1975-08-08 1977-02-17 Standard Pressed Steel Co Werkzeug zum gewinderollen
DE2703433A1 (de) * 1977-01-28 1978-12-07 Schumacher Wilhelm Kg Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens
DE29818546U1 (de) 1998-10-17 1999-01-28 Werkzeugtechnik Niederstetten GmbH & Co. KG, 97996 Niederstetten Flachwalzbacke
CN100381249C (zh) * 2006-05-15 2008-04-16 浙江大学 自动排序上料机

Also Published As

Publication number Publication date
CH536676A (fr) 1973-05-15
DE2104297A1 (de) 1971-08-12
GB1342644A (en) 1974-01-03
SE409297B (sv) 1979-08-13
NL7101205A (fr) 1971-08-03
CA963209A (en) 1975-02-25
BE762213A (fr) 1971-07-29
FR2077175A5 (fr) 1971-10-15
JPS5218142B1 (fr) 1977-05-19

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