GB887302A - Apparatus for making thread-cutting tools - Google Patents

Apparatus for making thread-cutting tools

Info

Publication number
GB887302A
GB887302A GB20222/58A GB2022258A GB887302A GB 887302 A GB887302 A GB 887302A GB 20222/58 A GB20222/58 A GB 20222/58A GB 2022258 A GB2022258 A GB 2022258A GB 887302 A GB887302 A GB 887302A
Authority
GB
United Kingdom
Prior art keywords
cutting tools
teeth
making thread
group xxiii
section
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
GB20222/58A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB887302A publication Critical patent/GB887302A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

887,302. Taps. BECK, A. June 24, 1958 [July 3, 1957], No. 20222/58. Class 83 (3). [Also in Group XXIII] A screw-cutting tool 1, such as a tap, die, chaser or the like, has a starting section in which the teeth are progressively set back relative to those in a finishing section, the teeth in both sections having the same pitch a and being ground to full depth by a disc 13 (see Group XXIII).
GB20222/58A 1957-07-03 1958-06-24 Apparatus for making thread-cutting tools Expired GB887302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE887302X 1957-07-03

Publications (1)

Publication Number Publication Date
GB887302A true GB887302A (en) 1962-01-17

Family

ID=6833725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20222/58A Expired GB887302A (en) 1957-07-03 1958-06-24 Apparatus for making thread-cutting tools

Country Status (1)

Country Link
GB (1) GB887302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134824A (en) * 1983-02-14 1984-08-22 Erwin Junker Method and a device for producing threaded sections of threading tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134824A (en) * 1983-02-14 1984-08-22 Erwin Junker Method and a device for producing threaded sections of threading tools

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