GB1356844A - Manufacture of electric contacts - Google Patents

Manufacture of electric contacts

Info

Publication number
GB1356844A
GB1356844A GB1803771A GB1803771A GB1356844A GB 1356844 A GB1356844 A GB 1356844A GB 1803771 A GB1803771 A GB 1803771A GB 1803771 A GB1803771 A GB 1803771A GB 1356844 A GB1356844 A GB 1356844A
Authority
GB
United Kingdom
Prior art keywords
varnish
paste
resistors
bands
manufacture
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
GB1803771A
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.)
Baikova E M
KNYAZHEV A A AVDEEVA T I SHAPI
Original Assignee
Baikova E M
KNYAZHEV A A AVDEEVA T I SHAPI
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 Baikova E M, KNYAZHEV A A AVDEEVA T I SHAPI filed Critical Baikova E M
Priority to GB1803771A priority Critical patent/GB1356844A/en
Priority to US00151934A priority patent/US3808045A/en
Publication of GB1356844A publication Critical patent/GB1356844A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/28—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals
    • H01C17/281—Apparatus or processes specially adapted for manufacturing resistors adapted for applying terminals by thick film techniques
    • H01C17/283—Precursor compositions therefor, e.g. pastes, inks, glass frits
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49087—Resistor making with envelope or housing
    • Y10T29/49098—Applying terminal
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49101—Applying terminal
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2942—Plural coatings
    • Y10T428/2949—Glass, ceramic or metal oxide in coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Paints Or Removers (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)

Abstract

1356844 Resistors A A KNYAZHEV T I AVDEEVA N I SHAPIRO and E M BAIKOVA 28 May 1971 18037/71 Heading H1S A method of manufacture of electrical contacts on filamentary carbon-varnish resistors in which a layer of current-conducting paste containing a binder, preferably consisting of a mixture of fine-dispersed silver, glyptol resin and dibutyl phthalate with a xylol and turpentine solvent, is applied on to a varnish-soot coating, based on terephthalic resins, and is then burnt in at a temperature of 280-300‹ C. for 30-60 seconds. An alcohol-colophony or salicylglycerine flux is then applied to the paste and the fluxed portions timed for 3 to 5 hours with a lead-tin compound having low-melting additives such as cadmium at a temperature of 140- 180‹ C. The paste may be applied in bands on to a continuously moving glass thread having a carbon-varnish coating which, after tinning, is divided into individual resistois by cutting the thread through the middle of the bands.
GB1803771A 1971-05-28 1971-05-28 Manufacture of electric contacts Expired GB1356844A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1803771A GB1356844A (en) 1971-05-28 1971-05-28 Manufacture of electric contacts
US00151934A US3808045A (en) 1971-05-28 1971-06-10 Method of manufacture of electric contacts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1803771A GB1356844A (en) 1971-05-28 1971-05-28 Manufacture of electric contacts
US00151934A US3808045A (en) 1971-05-28 1971-06-10 Method of manufacture of electric contacts

Publications (1)

Publication Number Publication Date
GB1356844A true GB1356844A (en) 1974-06-19

Family

ID=26253085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1803771A Expired GB1356844A (en) 1971-05-28 1971-05-28 Manufacture of electric contacts

Country Status (2)

Country Link
US (1) US3808045A (en)
GB (1) GB1356844A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940509A (en) * 1973-12-19 1976-02-24 Universal Oil Products Company Semi-conducting materials and a method for the manufacture thereof
NL7707078A (en) * 1977-06-27 1978-12-29 Philips Nv CARBON FILM RESISTANCE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134870A (en) * 1936-03-14 1938-11-01 Mallory & Co Inc P R Resistance element
US2144925A (en) * 1936-07-02 1939-01-24 Mallory & Co Inc P R Variable resistance unit
US3416347A (en) * 1965-10-29 1968-12-17 Yoder Co Slitting and edge conditioning means
JPS521113B1 (en) * 1966-05-16 1977-01-12

Also Published As

Publication number Publication date
US3808045A (en) 1974-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee