FR874741A - Process for the manufacture of jewelry items - Google Patents

Process for the manufacture of jewelry items

Info

Publication number
FR874741A
FR874741A FR874741DA FR874741A FR 874741 A FR874741 A FR 874741A FR 874741D A FR874741D A FR 874741DA FR 874741 A FR874741 A FR 874741A
Authority
FR
France
Prior art keywords
manufacture
jewelry items
jewelry
items
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
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR874741A publication Critical patent/FR874741A/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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/60—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR874741D 1940-09-16 1941-08-18 Process for the manufacture of jewelry items Expired FR874741A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE874741X 1940-09-16

Publications (1)

Publication Number Publication Date
FR874741A true FR874741A (en) 1942-08-19

Family

ID=6816987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874741D Expired FR874741A (en) 1940-09-16 1941-08-18 Process for the manufacture of jewelry items

Country Status (1)

Country Link
FR (1) FR874741A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227667B (en) * 1957-03-14 1966-10-27 Degussa Process for artificial aging of molded bodies made of silver alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227667B (en) * 1957-03-14 1966-10-27 Degussa Process for artificial aging of molded bodies made of silver alloys

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