GB1253209A - - Google Patents

Info

Publication number
GB1253209A
GB1253209A GB1253209DA GB1253209A GB 1253209 A GB1253209 A GB 1253209A GB 1253209D A GB1253209D A GB 1253209DA GB 1253209 A GB1253209 A GB 1253209A
Authority
GB
United Kingdom
Prior art keywords
alloy
sheet
master alloy
final
brazing
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
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 filed Critical
Publication of GB1253209A publication Critical patent/GB1253209A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals

Abstract

1,253,209. Making composite metal sheet; brazing. JOHNSON MATTHEY & CO. Ltd. 5 Dec., 1968 [8 Dec., 1967], No. 55894/67. Headings B3A and B3R. [Also in Division C7] A composite material for adding a fugitive material, which is difficult to add, to a final alloy (e.g. a scavenging element), is produced by making a master alloy of the fugitive material in one of the components of the final alloy, analysing the master alloy casting, rolling it to a thin sheet, sandwiching the sheet between two thicker sheets of material so that the melted composite will have the correct final analysis and hot pressing and rolling the sandwich with an optional post annealing possibly in a protective atmosphere. In examples a copper-boron master alloy sheet is sandwiched between two gold alloy sheets. Reference is made to the use of the composites in jewelry, dentistry or brazing.
GB1253209D 1967-12-08 1967-12-08 Expired GB1253209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5589467 1967-12-08

Publications (1)

Publication Number Publication Date
GB1253209A true GB1253209A (en) 1971-11-10

Family

ID=10475150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1253209D Expired GB1253209A (en) 1967-12-08 1967-12-08

Country Status (1)

Country Link
GB (1) GB1253209A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2434376A (en) * 2006-01-23 2007-07-25 Middlesex Silver Co Ltd Making boron containing gold alloys using a master alloy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2434376A (en) * 2006-01-23 2007-07-25 Middlesex Silver Co Ltd Making boron containing gold alloys using a master alloy

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee