GB404689A - Improvements in or relating to the treatment of steel tools - Google Patents

Improvements in or relating to the treatment of steel tools

Info

Publication number
GB404689A
GB404689A GB20349/32A GB2034932A GB404689A GB 404689 A GB404689 A GB 404689A GB 20349/32 A GB20349/32 A GB 20349/32A GB 2034932 A GB2034932 A GB 2034932A GB 404689 A GB404689 A GB 404689A
Authority
GB
United Kingdom
Prior art keywords
bath
tool
metal
salts
coating
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
GB20349/32A
Other languages
English (en)
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 GB404689A publication Critical patent/GB404689A/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)
  • ing And Chemical Polishing (AREA)
GB20349/32A 1931-07-18 1932-07-18 Improvements in or relating to the treatment of steel tools Expired GB404689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE404689X 1931-07-18

Publications (1)

Publication Number Publication Date
GB404689A true GB404689A (en) 1934-01-18

Family

ID=6421830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20349/32A Expired GB404689A (en) 1931-07-18 1932-07-18 Improvements in or relating to the treatment of steel tools

Country Status (5)

Country Link
US (1) US1965037A (fr)
BE (1) BE389906A (fr)
FR (1) FR740075A (fr)
GB (1) GB404689A (fr)
NL (1) NL40194C (fr)

Also Published As

Publication number Publication date
US1965037A (en) 1934-07-03
NL40194C (fr)
FR740075A (fr) 1933-01-20
BE389906A (fr)

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