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GB871995A - Improvements in or relating to moulded resistors and electrical switches and contacts therefor - Google Patents

Improvements in or relating to moulded resistors and electrical switches and contacts therefor

Info

Publication number
GB871995A
GB871995A GB3728756A GB3728756A GB871995A GB 871995 A GB871995 A GB 871995A GB 3728756 A GB3728756 A GB 3728756A GB 3728756 A GB3728756 A GB 3728756A GB 871995 A GB871995 A GB 871995A
Authority
GB
United Kingdom
Prior art keywords
moulded
resistors
relating
contact elements
electrical switches
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
GB3728756A
Inventor
Victor Arthur William Page
John Robert Clark
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.)
GE Healthcare UK Ltd
Plessey Co Ltd
Original Assignee
GE Healthcare UK Ltd
Plessey Co 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 GE Healthcare UK Ltd, Plessey Co Ltd filed Critical GE Healthcare UK Ltd
Priority to GB3728756A priority Critical patent/GB871995A/en
Publication of GB871995A publication Critical patent/GB871995A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40—Contact mounted so that its contact-making surface is flush with adjoining insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacture Of Switches (AREA)

Abstract

An electrical contact device for co-operation with a wiper contact comprises a moulded plastic base having contact elements flush with the surface thereof and moulded of a mixture of a metal powder, such as silver or a lead-tin alloy, and a resinous binder such as phenol formaldehyde. A resistor track formed by carbon powder mixed with a resin moulding material may be arranged in connection with the said contact elements.ALSO:An electrical contact device for co-operation with a wiper contact comprises a moulded plastic base having contact elements flush with the surface thereof and moulded of a mixture of a metal powder, such as silver or a lead-tin alloy, and a resinous binder such as phenol formaldehyde. A resistor track formed by a carbon powder mixed with a resin moulding material may be arranged in connection with the said contact elements.
GB3728756A 1956-12-06 1956-12-06 Improvements in or relating to moulded resistors and electrical switches and contacts therefor Expired GB871995A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3728756A GB871995A (en) 1956-12-06 1956-12-06 Improvements in or relating to moulded resistors and electrical switches and contacts therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3728756A GB871995A (en) 1956-12-06 1956-12-06 Improvements in or relating to moulded resistors and electrical switches and contacts therefor

Publications (1)

Publication Number Publication Date
GB871995A true GB871995A (en) 1961-07-05

Family

ID=10395255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3728756A Expired GB871995A (en) 1956-12-06 1956-12-06 Improvements in or relating to moulded resistors and electrical switches and contacts therefor

Country Status (1)

Country Link
GB (1) GB871995A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297558A3 (en) * 1987-06-30 1990-05-02 Toyoda Gosei Co., Ltd. Steering wheel, segmented slip rings and method of disposing segmented slip rings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297558A3 (en) * 1987-06-30 1990-05-02 Toyoda Gosei Co., Ltd. Steering wheel, segmented slip rings and method of disposing segmented slip rings

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