GB646211A - Improvements relating to the manufacture of screws, bolts and the like - Google Patents

Improvements relating to the manufacture of screws, bolts and the like

Info

Publication number
GB646211A
GB646211A GB2985047A GB2985047A GB646211A GB 646211 A GB646211 A GB 646211A GB 2985047 A GB2985047 A GB 2985047A GB 2985047 A GB2985047 A GB 2985047A GB 646211 A GB646211 A GB 646211A
Authority
GB
United Kingdom
Prior art keywords
screws
operated
bolts
manufacture
self
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
GB2985047A
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.)
ALFRED ERIC BAEDEKER
FAN DISC Ltd
Original Assignee
ALFRED ERIC BAEDEKER
FAN DISC Ltd
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 ALFRED ERIC BAEDEKER, FAN DISC Ltd filed Critical ALFRED ERIC BAEDEKER
Priority to GB2985047A priority Critical patent/GB646211A/en
Publication of GB646211A publication Critical patent/GB646211A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/48—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools

Landscapes

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

Abstract

646,211. Making self-tapping screws. FAN DISC, Ltd., and BAEDEKER, A. E. Nov. 10, 1947, No. 29850. [Classes 83 (ii) and 83 (iv)] Forging-machines.-Apparatus for forming grooves in self-tapping screws comprises a press attachment with a die-block 6 in which are guided radial pressing tools 8 operated in opposition to springs 14 by a reciprocated head 16 carrying wedge fingers 17 engaging. inclined surfaces 19 on the tools. The screws are fed down a shoot 20 to a removable die cover plate with inlet and outlet slots arranged at an angle of 90 degrees. The grooved screws are ejected by a slide 23 operated by cam fingers 26 and a spring 24.
GB2985047A 1947-11-10 1947-11-10 Improvements relating to the manufacture of screws, bolts and the like Expired GB646211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2985047A GB646211A (en) 1947-11-10 1947-11-10 Improvements relating to the manufacture of screws, bolts and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2985047A GB646211A (en) 1947-11-10 1947-11-10 Improvements relating to the manufacture of screws, bolts and the like

Publications (1)

Publication Number Publication Date
GB646211A true GB646211A (en) 1950-11-15

Family

ID=10298222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2985047A Expired GB646211A (en) 1947-11-10 1947-11-10 Improvements relating to the manufacture of screws, bolts and the like

Country Status (1)

Country Link
GB (1) GB646211A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107891480A (en) * 2017-12-13 2018-04-10 黄旭敏 A kind of die-cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107891480A (en) * 2017-12-13 2018-04-10 黄旭敏 A kind of die-cutting machine
CN107891480B (en) * 2017-12-13 2024-02-20 黄旭敏 Die cutting machine

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