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GB537866A - Improvements in electric contacts - Google Patents

Improvements in electric contacts

Info

Publication number
GB537866A
GB537866A GB326/40A GB32640A GB537866A GB 537866 A GB537866 A GB 537866A GB 326/40 A GB326/40 A GB 326/40A GB 32640 A GB32640 A GB 32640A GB 537866 A GB537866 A GB 537866A
Authority
GB
United Kingdom
Prior art keywords
tungsten
nickel
per cent
silver
electric contacts
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
GB326/40A
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.)
Mallory Metallurgical Products Ltd
Original Assignee
Mallory Metallurgical Products Ltd
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 Mallory Metallurgical Products Ltd filed Critical Mallory Metallurgical Products Ltd
Publication of GB537866A publication Critical patent/GB537866A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/021—Composite material
    • H01H1/023—Composite material having a noble metal as the basic material
    • 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
    • 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
    • C22C5/06—Alloys based on silver
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/929—Electrical contact feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/1216—Continuous interengaged phases of plural metals, or oriented fiber containing
    • Y10T428/12174—Mo or W containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Contacts (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

537,866. Alloys. MALLORY METALLURGICAL PRODUCTS; Ltd. Jan. 5, 1940, No. 326. Convention date, Feb. 24, 1939. [A Specification was laid open to inspection under Sect. 91 of the Acts, July 6, 1940.] [Class 82 (i)] An alloy for electric contacts consists of silver, nickel, and tungsten, or of silver, nickel, tungsten, and molybdenum, with or without tin, zinc, cadmium, copper, manganese, and silicon as minor constituents. The silver content is preferably at least 60 per cent. and the nickel may be 10-40 per cent..and the tungsten or tungsten and molybdenum 1-40 per cent. Specification 537,865 is referred to. The Specification as open to inspection under Sect. 91 comprises also the subject-matter of of Specification 537,865. This subject-matter does not appear in the Specification as accepted.
GB326/40A 1939-02-24 1940-01-05 Improvements in electric contacts Expired GB537866A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US258181A US2197376A (en) 1939-02-24 1939-02-24 Refractory metal composition

Publications (1)

Publication Number Publication Date
GB537866A true GB537866A (en) 1941-07-10

Family

ID=22979443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB326/40A Expired GB537866A (en) 1939-02-24 1940-01-05 Improvements in electric contacts

Country Status (2)

Country Link
US (1) US2197376A (en)
GB (1) GB537866A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897097A (en) * 1955-08-04 1959-07-28 Bunting Brass & Bronze Co Process of preparing porous sintered metal parts for metal plating
US3206385A (en) * 1960-07-12 1965-09-14 Gen Electric Dispersion hardening
US3482950A (en) * 1968-03-28 1969-12-09 Stackpole Carbon Co High density electrical contacts

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379846A (en) * 1964-04-21 1968-04-23 English Electric Co Ltd Electrodes for electric devices operable in a vacuum

Also Published As

Publication number Publication date
US2197376A (en) 1940-04-16

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