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GB254247A - Improvements in or relating to files - Google Patents

Improvements in or relating to files

Info

Publication number
GB254247A
GB254247A GB1109726A GB1109726A GB254247A GB 254247 A GB254247 A GB 254247A GB 1109726 A GB1109726 A GB 1109726A GB 1109726 A GB1109726 A GB 1109726A GB 254247 A GB254247 A GB 254247A
Authority
GB
United Kingdom
Prior art keywords
cut
teeth
files
angle
relating
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
GB1109726A
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
Priority to GB1109726A priority Critical patent/GB254247A/en
Publication of GB254247A publication Critical patent/GB254247A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D71/00—Filing or rasping tools; Securing arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Pumps (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

254,247. Ufer, H. April 27, 1926. Files.-The teeth produced by the first or lower cut on a file, Fig. 1, differ from the teeth produced by the second cut, Fig. 2, as regards bottom angle and depth. The first cut teeth have a bottom angle of from 65‹ to 80‹ and an overcut angle of from 5‹ to 15‹ while the second cut teeth have a bottom angle of 47‹ to 60‹ and an undercut angle 5‹ to 15‹, the depth of the first cut teeth to the second cut teeth being from 1 to 3 to 1 to 7.
GB1109726A 1926-04-27 1926-04-27 Improvements in or relating to files Expired GB254247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1109726A GB254247A (en) 1926-04-27 1926-04-27 Improvements in or relating to files

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1109726A GB254247A (en) 1926-04-27 1926-04-27 Improvements in or relating to files

Publications (1)

Publication Number Publication Date
GB254247A true GB254247A (en) 1926-07-01

Family

ID=9979968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1109726A Expired GB254247A (en) 1926-04-27 1926-04-27 Improvements in or relating to files

Country Status (1)

Country Link
GB (1) GB254247A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166676A (en) * 1982-03-02 1986-05-14 Nippon Tenshashi Kk A polishing element
US4598447A (en) * 1984-09-20 1986-07-08 File Sharpening Company Farrier's file/rasp
US5919007A (en) * 1998-01-28 1999-07-06 Cooper Industries, Inc. Combined file and rasp for laminate materials
WO2012032468A1 (en) * 2010-09-07 2012-03-15 Ecole D'ingenieurs Et D'architectes De Fribourg Ceramic files and burs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166676A (en) * 1982-03-02 1986-05-14 Nippon Tenshashi Kk A polishing element
US4598447A (en) * 1984-09-20 1986-07-08 File Sharpening Company Farrier's file/rasp
US5919007A (en) * 1998-01-28 1999-07-06 Cooper Industries, Inc. Combined file and rasp for laminate materials
WO2012032468A1 (en) * 2010-09-07 2012-03-15 Ecole D'ingenieurs Et D'architectes De Fribourg Ceramic files and burs

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