FR501306A - Method and apparatus for re-cutting files and similar tools by corrosion - Google Patents

Method and apparatus for re-cutting files and similar tools by corrosion

Info

Publication number
FR501306A
FR501306A FR501306A FR501306DA FR501306A FR 501306 A FR501306 A FR 501306A FR 501306 A FR501306 A FR 501306A FR 501306D A FR501306D A FR 501306DA FR 501306 A FR501306 A FR 501306A
Authority
FR
France
Prior art keywords
corrosion
similar tools
cutting files
files
cutting
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
FR501306A
Other languages
French (fr)
Inventor
Niels Peter Nielsen
Niels Leopold Bressendorf
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
Application granted granted Critical
Publication of FR501306A publication Critical patent/FR501306A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/06—Sharpening files

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • ing And Chemical Polishing (AREA)
FR501306A 1919-03-28 1919-03-28 Method and apparatus for re-cutting files and similar tools by corrosion Expired FR501306A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR501306T 1919-03-28

Publications (1)

Publication Number Publication Date
FR501306A true FR501306A (en) 1920-04-09

Family

ID=8905623

Family Applications (1)

Application Number Title Priority Date Filing Date
FR501306A Expired FR501306A (en) 1919-03-28 1919-03-28 Method and apparatus for re-cutting files and similar tools by corrosion

Country Status (4)

Country Link
DE (1) DE310347C (en)
FR (1) FR501306A (en)
GB (1) GB132930A (en)
NL (1) NL5443C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255541A (en) * 1992-07-01 1993-10-26 Porter Ernest A Collar laundering machine

Also Published As

Publication number Publication date
NL5443C (en)
DE310347C (en)
GB132930A (en)

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