GB1277949A - Electrical contacts - Google Patents

Electrical contacts

Info

Publication number
GB1277949A
GB1277949A GB38714/69A GB3871469A GB1277949A GB 1277949 A GB1277949 A GB 1277949A GB 38714/69 A GB38714/69 A GB 38714/69A GB 3871469 A GB3871469 A GB 3871469A GB 1277949 A GB1277949 A GB 1277949A
Authority
GB
United Kingdom
Prior art keywords
contact
nickel
electrical contacts
switch
byrne
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
GB38714/69A
Inventor
William Ralph Byrne
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 GB1277949A publication Critical patent/GB1277949A/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • 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
    • Y10T428/12229—Intermediate article [e.g., blank, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)

Abstract

1277949 Switch contacts W R BYRNE 1 Aug 1969 [1 May 1969] 38714/69 Heading H1N A switch contact with at least its surface being of 99À9% nickel has stable contact resistance in the presence of corrosive atmospheres of sulphur and/or oxygen. The preferred purity is 99À98% nickel. A flat wire strip contact provides a rotor contact 2, Figs. 1, 2 (not shown), embedded in a moulded plastics support 1.
GB38714/69A 1969-05-01 1969-08-01 Electrical contacts Expired GB1277949A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82084969A 1969-05-01 1969-05-01

Publications (1)

Publication Number Publication Date
GB1277949A true GB1277949A (en) 1972-06-14

Family

ID=25231877

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38714/69A Expired GB1277949A (en) 1969-05-01 1969-08-01 Electrical contacts

Country Status (2)

Country Link
US (1) US3649795A (en)
GB (1) GB1277949A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130071683A1 (en) * 2011-09-21 2013-03-21 Apple Inc. Systems and methods for electroforming domes for use in dome switches
US9031276B2 (en) 2012-12-07 2015-05-12 Apple Inc. Electroformed housings for electronic devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064998A (en) * 1935-08-27 1936-12-22 Otis Elevator Co Switch contact
US2379641A (en) * 1942-07-21 1945-07-03 Baker & Co Inc Electrical contact element
NL92647C (en) * 1954-03-02

Also Published As

Publication number Publication date
DE1945592A1 (en) 1970-11-12
US3649795A (en) 1972-03-14
DE1945592B2 (en) 1973-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees