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IT993804B - PROCEDURE FOR THE PRODUCTION OF SCREWS - Google Patents

PROCEDURE FOR THE PRODUCTION OF SCREWS

Info

Publication number
IT993804B
IT993804B IT2831373A IT2831373A IT993804B IT 993804 B IT993804 B IT 993804B IT 2831373 A IT2831373 A IT 2831373A IT 2831373 A IT2831373 A IT 2831373A IT 993804 B IT993804 B IT 993804B
Authority
IT
Italy
Prior art keywords
screws
procedure
production
Prior art date
Application number
IT2831373A
Other languages
Italian (it)
Original Assignee
Grefe Gmbh L
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 Grefe Gmbh L filed Critical Grefe Gmbh L
Application granted granted Critical
Publication of IT993804B publication Critical patent/IT993804B/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
    • B21H3/06—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
    • B21H3/065—Planetary thread rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
IT2831373A 1972-09-05 1973-08-29 PROCEDURE FOR THE PRODUCTION OF SCREWS IT993804B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722243576 DE2243576A1 (en) 1972-09-05 1972-09-05 DEVICE FOR PRODUCING SCREW NAILS

Publications (1)

Publication Number Publication Date
IT993804B true IT993804B (en) 1975-09-30

Family

ID=5855538

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2831373A IT993804B (en) 1972-09-05 1973-08-29 PROCEDURE FOR THE PRODUCTION OF SCREWS

Country Status (2)

Country Link
DE (1) DE2243576A1 (en)
IT (1) IT993804B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340406A1 (en) * 1983-11-09 1985-05-15 Willi 4040 Neuss Hief Apparatus for rolling grooves into the shanks of nails or the like
US4881395A (en) * 1988-06-21 1989-11-21 Yugen Kaisha Shinjo Seisakusho Process and apparatus for fabricating stepped nails
CN102513478B (en) * 2011-12-28 2014-03-12 杭州东华链条集团有限公司 Pin shaft fillet machining process and equipment
CN105834335B (en) * 2016-04-01 2017-10-20 诸城市义和车桥有限公司 A kind of double end planetary thread rolling machine of passive driven type
CN106493219B (en) * 2016-12-29 2018-10-16 梓兰特线（厦门）科技有限公司 The continuous rolling beveler of axis pin

Also Published As

Publication number Publication date
DE2243576A1 (en) 1974-03-14

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