GB1049970A - Improvements in thread-rolling dies - Google Patents

Improvements in thread-rolling dies

Info

Publication number
GB1049970A
GB1049970A GB3020166A GB3020166A GB1049970A GB 1049970 A GB1049970 A GB 1049970A GB 3020166 A GB3020166 A GB 3020166A GB 3020166 A GB3020166 A GB 3020166A GB 1049970 A GB1049970 A GB 1049970A
Authority
GB
United Kingdom
Prior art keywords
thread
rolling dies
april
making
rolling
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
GB3020166A
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.)
Research Engineering and Manufacturing Inc
Original Assignee
Research Engineering and Manufacturing Inc
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 Research Engineering and Manufacturing Inc filed Critical Research Engineering and Manufacturing Inc
Publication of GB1049970A publication Critical patent/GB1049970A/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
    • B21H3/027—Rolling of self-tapping screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Transmission Devices (AREA)

Abstract

1,049,970. Rolling threads; making screws. RESEARCH ENGINEERING & MANUFACTURING Inc. April 11, 1963 [April 16, 1962], No. 30201/66. Divided out of 1,022,355. Headings B3A and B3M. The Specification contains the same subjectmatter as Specification 1,022,355, but the claims are directed to thread rolling dies as opposed to a method of making a self-tapping screw.
GB3020166A 1962-04-16 1963-04-11 Improvements in thread-rolling dies Expired GB1049970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18788362A 1962-04-16 1962-04-16

Publications (1)

Publication Number Publication Date
GB1049970A true GB1049970A (en) 1966-11-30

Family

ID=22690890

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1456363A Expired GB1048671A (en) 1962-04-16 1963-04-11 Improvements in self-tapping screws and in the manufacture thereof
GB3020166A Expired GB1049970A (en) 1962-04-16 1963-04-11 Improvements in thread-rolling dies

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1456363A Expired GB1048671A (en) 1962-04-16 1963-04-11 Improvements in self-tapping screws and in the manufacture thereof

Country Status (2)

Country Link
GB (2) GB1048671A (en)
MY (1) MY6700111A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325288A (en) * 1997-05-14 1998-11-18 Europ Ind Services Limited Threaded fastener, and method and rolling dies for making it

Also Published As

Publication number Publication date
GB1048671A (en) 1966-11-16
MY6700111A (en) 1967-12-31

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