GB1569177A - Thermal switch and methods of making same - Google Patents

Thermal switch and methods of making same Download PDF

Info

Publication number
GB1569177A
GB1569177A GB53258/76A GB5325876A GB1569177A GB 1569177 A GB1569177 A GB 1569177A GB 53258/76 A GB53258/76 A GB 53258/76A GB 5325876 A GB5325876 A GB 5325876A GB 1569177 A GB1569177 A GB 1569177A
Authority
GB
United Kingdom
Prior art keywords
switch
preform
spring
region
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
GB53258/76A
Other languages
English (en)
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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
Priority claimed from US05/642,973 external-priority patent/US4016523A/en
Priority claimed from US05/642,650 external-priority patent/US4017818A/en
Priority claimed from US05/642,971 external-priority patent/US4016522A/en
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of GB1569177A publication Critical patent/GB1569177A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H2037/769—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material characterised by the composition of insulating fusible materials, e.g. for use in the thermal pellets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Fuses (AREA)
  • Thermally Actuated Switches (AREA)
GB53258/76A 1975-12-22 1976-12-21 Thermal switch and methods of making same Expired GB1569177A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/642,973 US4016523A (en) 1975-12-22 1975-12-22 Thermal switch device
US05/642,650 US4017818A (en) 1975-12-22 1975-12-22 Thermal switch device and method of making
US05/642,971 US4016522A (en) 1975-12-22 1975-12-22 Thermal switch device and method of making

Publications (1)

Publication Number Publication Date
GB1569177A true GB1569177A (en) 1980-06-11

Family

ID=27417692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53258/76A Expired GB1569177A (en) 1975-12-22 1976-12-21 Thermal switch and methods of making same

Country Status (11)

Country Link
JP (1) JPS5280447A (pt)
AU (1) AU507035B2 (pt)
BR (1) BR7608470A (pt)
CA (1) CA1053731A (pt)
DE (1) DE2657507A1 (pt)
ES (1) ES454514A1 (pt)
FR (1) FR2336783A1 (pt)
GB (1) GB1569177A (pt)
IT (1) IT1065664B (pt)
NL (1) NL7613826A (pt)
SE (1) SE7614394L (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010278403A (ja) * 2009-06-01 2010-12-09 Denso Corp リニアアクチュエータ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1940176A (en) * 1933-07-15 1933-12-19 Marshall Howard Contact making device
US2149773A (en) * 1937-10-25 1939-03-07 George W Huntley Safety plug
FR1118095A (fr) * 1953-12-30 1956-05-31 Thomson Houston Comp Francaise Coupe-circuit électrique
DE2125116A1 (en) * 1971-05-21 1972-11-30 Bosch Gmbh Robert Safety switch - for choking coils of phosphorescent lamps
US3827014A (en) * 1973-09-24 1974-07-30 Portage Electric Prod Inc Thermal protector

Also Published As

Publication number Publication date
FR2336783A1 (fr) 1977-07-22
BR7608470A (pt) 1977-12-20
ES454514A1 (es) 1978-03-01
SE7614394L (sv) 1977-06-23
CA1053731A (en) 1979-05-01
AU2028176A (en) 1978-06-15
AU507035B2 (en) 1980-01-31
DE2657507A1 (de) 1977-06-30
NL7613826A (nl) 1977-06-24
FR2336783B1 (pt) 1980-09-12
JPS5280447A (en) 1977-07-06
IT1065664B (it) 1985-03-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee