GB2075777B - Electric blanket safety circuit - Google Patents

Electric blanket safety circuit

Info

Publication number
GB2075777B
GB2075777B GB8109961A GB8109961A GB2075777B GB 2075777 B GB2075777 B GB 2075777B GB 8109961 A GB8109961 A GB 8109961A GB 8109961 A GB8109961 A GB 8109961A GB 2075777 B GB2075777 B GB 2075777B
Authority
GB
United Kingdom
Prior art keywords
safety circuit
electric blanket
blanket safety
electric
circuit
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
GB8109961A
Other languages
English (en)
Other versions
GB2075777A (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.)
Sunbeam Corp
Original Assignee
Sunbeam 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 Sunbeam Corp filed Critical Sunbeam Corp
Publication of GB2075777A publication Critical patent/GB2075777A/en
Application granted granted Critical
Publication of GB2075777B publication Critical patent/GB2075777B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
    • H02H5/043—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors the temperature dependent resistor being disposed parallel to a heating wire, e.g. in a heating blanket
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/011—Heaters using laterally extending conductive material as connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient
GB8109961A 1980-04-01 1981-03-31 Electric blanket safety circuit Expired GB2075777B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13620280A 1980-04-01 1980-04-01

Publications (2)

Publication Number Publication Date
GB2075777A GB2075777A (en) 1981-11-18
GB2075777B true GB2075777B (en) 1983-09-21

Family

ID=22471805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8109961A Expired GB2075777B (en) 1980-04-01 1981-03-31 Electric blanket safety circuit

Country Status (13)

Country Link
JP (1) JPS57864A (da)
AR (1) AR227041A1 (da)
AU (1) AU542163B2 (da)
BE (1) BE888195A (da)
BR (1) BR8101977A (da)
CA (1) CA1156300A (da)
DE (1) DE3111911A1 (da)
FR (1) FR2485285B1 (da)
GB (1) GB2075777B (da)
MX (1) MX149294A (da)
NL (1) NL8101632A (da)
NZ (1) NZ196568A (da)
ZA (1) ZA812180B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436986A (en) * 1981-11-23 1984-03-13 Sunbeam Corporation Electric blanket safety circuit
DE3203128A1 (de) * 1982-01-30 1983-08-04 Braun Ag, 6000 Frankfurt Schutzschalter
JPS6091583A (ja) * 1983-10-24 1985-05-22 松下電器産業株式会社 発熱体
GB2159354B (en) * 1984-04-03 1987-10-28 Birmid Qualcast Electrical protective devices
GB8417547D0 (en) * 1984-07-10 1984-08-15 Dreamland Electrical Apliances Electric blankets
CA1244863A (en) * 1984-12-06 1988-11-15 George C. Crowley Electric blanket or pad having improved positive temperature coefficient heater circuit
US4662204A (en) * 1985-01-17 1987-05-05 Usui Kokusai Sangyo Kabushiki Kaisha Apparatus for automatically bending metallic tubes
GB2200001A (en) * 1987-01-12 1988-07-20 Duraplug Elect Ltd Electric cable assembly with safety device
US4928423A (en) * 1988-07-20 1990-05-29 Yoshikazu Furuta Fishhook and method for producing the same
US5801914A (en) * 1996-05-23 1998-09-01 Sunbeam Products, Inc. Electrical safety circuit with a breakable conductive element
US20190140442A1 (en) * 2017-11-03 2019-05-09 Nvent Services Gmbh Inrush Limit of Self-Regulating Heating Cables

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL288627A (da) * 1962-02-21
GB1155118A (en) * 1966-10-10 1969-06-18 Dreamland Electrical Appliance Protective Electric Circuits for Electrically-heated Blankets or Pads
US3493815A (en) * 1967-07-19 1970-02-03 Gen Electric Electric protective system
US3727105A (en) * 1971-06-24 1973-04-10 Anthony S Mfg Co Fail-safe power cut-out device
GB1600257A (en) * 1976-12-13 1981-10-14 Raychem Corp Strip heaters comprising conductive polymer compositions
GB1599709A (en) * 1978-01-31 1981-10-07 Dreamland Electrical Appliance Heating circuits
NZ191174A (en) * 1978-08-24 1983-03-15 Dreamland Electrical Appliance Electric blanket heating and overheating disconnect circuit

Also Published As

Publication number Publication date
BE888195A (fr) 1981-07-16
NL8101632A (nl) 1981-11-02
DE3111911A1 (de) 1982-03-04
JPS6412073B2 (da) 1989-02-28
FR2485285A1 (fr) 1981-12-24
AU542163B2 (en) 1985-02-07
CA1156300A (en) 1983-11-01
FR2485285B1 (fr) 1985-07-12
JPS57864A (en) 1982-01-05
NZ196568A (en) 1985-04-30
AU6881681A (en) 1981-10-08
AR227041A1 (es) 1982-09-15
GB2075777A (en) 1981-11-18
BR8101977A (pt) 1981-10-06
ZA812180B (en) 1982-07-28
MX149294A (es) 1983-10-10

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010330