GB1410915A - Manufacture of fuses - Google Patents

Manufacture of fuses

Info

Publication number
GB1410915A
GB1410915A GB1501372A GB1501372A GB1410915A GB 1410915 A GB1410915 A GB 1410915A GB 1501372 A GB1501372 A GB 1501372A GB 1501372 A GB1501372 A GB 1501372A GB 1410915 A GB1410915 A GB 1410915A
Authority
GB
United Kingdom
Prior art keywords
buttons
silver
alloy
strips
fuse element
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
GB1501372A
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.)
Johnson Matthey PLC
Original Assignee
Johnson Matthey PLC
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 to BE789648D priority Critical patent/BE789648A/en
Application filed by Johnson Matthey PLC filed Critical Johnson Matthey PLC
Priority to GB1501372A priority patent/GB1410915A/en
Priority to DE19722248570 priority patent/DE2248570A1/en
Priority to IT1292872A priority patent/IT968155B/en
Publication of GB1410915A publication Critical patent/GB1410915A/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
    • H01H85/055—Fusible members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
    • H01H69/02—Manufacture of fuses
    • 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
    • H01H85/055—Fusible members
    • H01H85/06—Fusible members characterised by the fusible material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuses (AREA)

Abstract

1410915 Fuses JOHNSON MATTHEY & CO Ltd 4 Oct 1972 [4 Oct 1971 30 March 1972] 46114/71 and 15013/72 Heading H2G ]Also in Division B3] A fuse element consists of e.g. silver in intimate contact with a quantity of e.g. silvertin eutectic alloy such that the slight overload " quick blow " characteristics can be accurately controlled. The fuse element is cut or cropped from a body which may comprise several embodiments. In a first embodiment, a block of silver of rectangular prism form, has a longitudinal hole bored therein, which is filled with the above alloy and rolled so that thin fuse element strips may be cut therefrom. In another embodiment (Fig. 1, not shown) fuse element strips are cut transversely from a body 10 which has longitudinal strips (14, 16) of the above alloy adhered thereto, on opposite surfaces, in another embodiment (Fig. 2, not shown) the strips (14, 16) may be embedded, as at (20, 22). In a further embodiment, Fig. 3, discrete buttons 24 of tin-silver alloy are cast by a mechanized continuous process on to surface 26 of silver block 10, so that each pair of buttons 24a, 24b is such that the buttons are directly opposite. The row of buttons is longitudinal so that fuse elements may be cut transversely from the body, each with a pair of buttons. In a further embodiment, the silver block may comprise two halves each with a channel filled with alloy which are then brought together, soldered, and rolled as above.
GB1501372A 1971-10-04 1972-03-30 Manufacture of fuses Expired GB1410915A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE789648D BE789648A (en) 1971-10-04 IMPROVED FUSES
GB1501372A GB1410915A (en) 1971-10-04 1972-03-30 Manufacture of fuses
DE19722248570 DE2248570A1 (en) 1971-10-04 1972-10-04 ELECTRIC FUSE
IT1292872A IT968155B (en) 1971-10-04 1972-10-04 IMPROVED FUSE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4611471 1971-10-04
GB1501372A GB1410915A (en) 1971-10-04 1972-03-30 Manufacture of fuses

Publications (1)

Publication Number Publication Date
GB1410915A true GB1410915A (en) 1975-10-22

Family

ID=26250955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1501372A Expired GB1410915A (en) 1971-10-04 1972-03-30 Manufacture of fuses

Country Status (4)

Country Link
BE (1) BE789648A (en)
DE (1) DE2248570A1 (en)
GB (1) GB1410915A (en)
IT (1) IT968155B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044711A1 (en) * 1980-11-27 1982-07-01 Wickmann-Werke GmbH, 5810 Witten FUSE PROTECTION
DE3228406C2 (en) * 1982-07-29 1986-05-22 Siemens AG, 1000 Berlin und 8000 München Composite fusible link and process for its manufacture
DE10022241A1 (en) * 2000-05-08 2001-11-15 Abb Research Ltd Melt conductor used in electronic devices to prevent overload currents comprises strip made from electrically conducting fusible conductor material and having doping site at which conductor material is displaced
GB2385723B (en) * 2002-02-21 2004-07-07 Yazaki Corp Fuse and fuse production method
DE102007020989B4 (en) * 2007-05-04 2013-10-10 Autecto Industrievertretungen GmbH & Co. KG Method for producing a fuse and fuse produced by the method

Also Published As

Publication number Publication date
DE2248570A1 (en) 1973-04-12
IT968155B (en) 1974-03-20
BE789648A (en) 1973-02-01

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed