GB541019A - Improvements in files - Google Patents

Improvements in files

Info

Publication number
GB541019A
GB541019A GB822440A GB822440A GB541019A GB 541019 A GB541019 A GB 541019A GB 822440 A GB822440 A GB 822440A GB 822440 A GB822440 A GB 822440A GB 541019 A GB541019 A GB 541019A
Authority
GB
United Kingdom
Prior art keywords
teeth
groups
degrees
rotary
files
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
GB822440A
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 GB822440A priority Critical patent/GB541019A/en
Publication of GB541019A publication Critical patent/GB541019A/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)
  • Toys (AREA)
  • Rotary Pumps (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

541,019. Rotary files. LORANT, H. J. May 7, 1940, No. 8224. [Class 83 (iii)] A rotary file has the teeth 18 arranged in a number of groups at different angles round the surface, the faces of the teeth being undercut and the top formed flat and sloping at an angle of about 3 degrees to 10 degrees. The base of each tooth is constituted by two arcs R and r of larger and smaller radii respectively contacting with one another tangentially: The groups may overlap forming cross-cut portions and the teeth or groups of teeth may be formed separately from the file body and dovetailed or otherwise. attached thereto.
GB822440A 1940-05-07 1940-05-07 Improvements in files Expired GB541019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB822440A GB541019A (en) 1940-05-07 1940-05-07 Improvements in files

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB822440A GB541019A (en) 1940-05-07 1940-05-07 Improvements in files

Publications (1)

Publication Number Publication Date
GB541019A true GB541019A (en) 1941-11-10

Family

ID=9848328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB822440A Expired GB541019A (en) 1940-05-07 1940-05-07 Improvements in files

Country Status (1)

Country Link
GB (1) GB541019A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013155165A1 (en) * 2012-04-10 2013-10-17 Armstrong World Industries, Inc. Blade and method for surface distressing
CN104203514A (en) * 2012-04-10 2014-12-10 阿姆斯特郎世界工业公司 Blade and method for surface distressing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013155165A1 (en) * 2012-04-10 2013-10-17 Armstrong World Industries, Inc. Blade and method for surface distressing
CN104203514A (en) * 2012-04-10 2014-12-10 阿姆斯特郎世界工业公司 Blade and method for surface distressing
CN104245258A (en) * 2012-04-10 2014-12-24 阿姆斯特郎世界工业公司 Blade and method for surface distressing
US9108335B2 (en) 2012-04-10 2015-08-18 Awi Licensing Company Material surface distressing blade
AU2013246002B2 (en) * 2012-04-10 2015-12-17 Armstrong Flooring, Inc. Blade and method for surface distressing

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