GB1242004A - Electrical contact assembly - Google Patents

Electrical contact assembly

Info

Publication number
GB1242004A
GB1242004A GB5208568A GB5208568A GB1242004A GB 1242004 A GB1242004 A GB 1242004A GB 5208568 A GB5208568 A GB 5208568A GB 5208568 A GB5208568 A GB 5208568A GB 1242004 A GB1242004 A GB 1242004A
Authority
GB
United Kingdom
Prior art keywords
strip
arm
button
assembly
contact
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
GB5208568A
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1242004A publication Critical patent/GB1242004A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/22—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc
    • B05B7/222—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc
    • B05B7/226—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc the material being originally a particulate material
    • 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
    • B23K10/00—Welding or cutting by means of a plasma
    • B23K10/02—Plasma welding
    • 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
    • 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
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Contacts (AREA)
  • Manufacture Of Switches (AREA)

Abstract

1,242,004. Electric contacts. WESTINGHOUSE ELECTRIC CORP. 4 Nov., 1968 [13 Nov., 1967], No. 52085/68. Heading H1N. [Also in Divisions B3, C6-C7 and H3-H5] An electrical contact assembly comprising a contact button 39 on an arm 37 is produced by (1) melting the arm at the button securing region, (2) depositing metallic powder upon said region by plasma-jet torch to form the button, and (3) hardening the assembly by subjecting it to one or more cold working, e.g. pressing or coining, treatments. Hardening may also be effected by age or precipitation hardening. In a mass-producing arrangement shown, arm-forming strip 53 from a delivery reel 55 is transported, by drive rolls 57, through a straightener 65, and edge guides 67, under twin torches 21 operating under an exhaust hood 61, and through surface cleaning rolls 69, to a coining and shearing machine 71. One or both torches are operative respectively for welding contact material along the strip centre for producing staggered pairs of assemblies (Fig. 9, not shown) or along the opposite strip edges for producing transversely aligned pairs of assemblies. The arm 37 is of copper or copper chromium. The contact metallic powder may comprise one of the following (percentages by weight, where given):- 35-80% Ag, 20-65% W, 35% Ag, Cu, P (88, 10, 2%), 65% W. 35% Ag, Cu (90, 10%), 65% W, Ag, Si, 65% Ag, 35% Mo, 65% Ag, 35% SiC, Ag, WC, Ag, Ti, 90À25% Ag, 5% Cu, 4À5% CdO, Ag, TiC, Ag, Ag, Ni, Ag, Co. In a multi-layer assembly a layer of fine Ag powder is welded on to an initial layer of Ag, W. The Specification also includes examples of plasma and work arc power, arc gap, rate of plasma gas and powder feed, strip travel and arc oscillation, strip and button thickness, thickness reduction, cold working pressure, and resultant hardness; analyses of actual contact materials; and assembly tests for temperature rise, overload, short-circuiting and endurance.
GB5208568A 1967-11-13 1968-11-04 Electrical contact assembly Expired GB1242004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68235667A 1967-11-13 1967-11-13

Publications (1)

Publication Number Publication Date
GB1242004A true GB1242004A (en) 1971-08-11

Family

ID=24739330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5208568A Expired GB1242004A (en) 1967-11-13 1968-11-04 Electrical contact assembly

Country Status (3)

Country Link
ES (1) ES360078A1 (en)
FR (1) FR1591754A (en)
GB (1) GB1242004A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145523A (en) * 1983-08-26 1985-03-27 Gte Valeron Corp Coatings for contacts of a touch probe
GB2169749A (en) * 1985-01-12 1986-07-16 Ashley Accessories Ltd Electrical outlet accessories with incorporated automatic circuit breaker
US10008341B2 (en) 2013-12-16 2018-06-26 General Electric Company Monolithic contact system and method of forming

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448217A1 (en) * 1979-02-02 1980-08-29 Klaxon Sa METHOD FOR MANUFACTURING A SWITCH FOR AN ALARM
DE3005662C2 (en) * 1980-02-15 1983-10-27 G. Rau GmbH & Co, 7530 Pforzheim Method for producing a contact element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2145523A (en) * 1983-08-26 1985-03-27 Gte Valeron Corp Coatings for contacts of a touch probe
GB2169749A (en) * 1985-01-12 1986-07-16 Ashley Accessories Ltd Electrical outlet accessories with incorporated automatic circuit breaker
US10008341B2 (en) 2013-12-16 2018-06-26 General Electric Company Monolithic contact system and method of forming

Also Published As

Publication number Publication date
ES360078A1 (en) 1970-10-16
FR1591754A (en) 1970-05-04

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