GB430095A - Improvements in or relating to fusible electric cut-outs - Google Patents

Improvements in or relating to fusible electric cut-outs

Info

Publication number
GB430095A
GB430095A GB3535133A GB3535133A GB430095A GB 430095 A GB430095 A GB 430095A GB 3535133 A GB3535133 A GB 3535133A GB 3535133 A GB3535133 A GB 3535133A GB 430095 A GB430095 A GB 430095A
Authority
GB
United Kingdom
Prior art keywords
absorbent
fusible
outs
bulgin
continued heating
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
GB3535133A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3535133A priority Critical patent/GB430095A/en
Publication of GB430095A publication Critical patent/GB430095A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/18—Casing fillings, e.g. powder

Landscapes

  • Fuses (AREA)
  • Surface Heating Bodies (AREA)

Abstract

430,095. Fusible cut-outs. BULGIN, A. F., c/o A. F. Bulgin & Co., Ltd., Abbey Road, Barking, Essex, and STOTT, H. T., 17, Sylvan Avenue, Mill Hill, London. Dec. 15, 1933, No. 35351. [Class 38 (i)] In a fusible cutout of the cartridge type intended to be unaffected by current surges of short duration, the fusible element 1 is surrounded by a mass of material 4, such as granular or powdered sugar, starch or resin or mixtures of these, which liquefies under continued heating, the fusible element being thereby left without means for conducting away heat so that it quickly reaches fusion point. Pads 5 of absorbent material such as glass wool, powdered marble, &c. are provided for absorbing the material 4 when liquefied, or the tube 2 may have an absorbent lining or may itself be absorbent but with a glazed or other non-absorbent outer coating. The wire 1 is preferably of a material having a high coefficient of expansion so that on continued heating it bends and so comes into contact with a larger quantity of the filling material.
GB3535133A 1933-12-15 1933-12-15 Improvements in or relating to fusible electric cut-outs Expired GB430095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3535133A GB430095A (en) 1933-12-15 1933-12-15 Improvements in or relating to fusible electric cut-outs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3535133A GB430095A (en) 1933-12-15 1933-12-15 Improvements in or relating to fusible electric cut-outs

Publications (1)

Publication Number Publication Date
GB430095A true GB430095A (en) 1935-06-13

Family

ID=10376757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3535133A Expired GB430095A (en) 1933-12-15 1933-12-15 Improvements in or relating to fusible electric cut-outs

Country Status (1)

Country Link
GB (1) GB430095A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124836A (en) * 1977-05-04 1978-11-07 Gould Inc. Electric fuse
US4417226A (en) * 1981-05-13 1983-11-22 Wickmann-Werke Gmbh Electrical fuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124836A (en) * 1977-05-04 1978-11-07 Gould Inc. Electric fuse
US4417226A (en) * 1981-05-13 1983-11-22 Wickmann-Werke Gmbh Electrical fuse

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