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GB1502683A - Bushing for processing molten glass - Google Patents

Bushing for processing molten glass

Info

Publication number
GB1502683A
GB1502683A GB1351675A GB1351675A GB1502683A GB 1502683 A GB1502683 A GB 1502683A GB 1351675 A GB1351675 A GB 1351675A GB 1351675 A GB1351675 A GB 1351675A GB 1502683 A GB1502683 A GB 1502683A
Authority
GB
United Kingdom
Prior art keywords
mould
end wall
bushing
wax
metal
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
GB1351675A
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.)
Fiberglass Ltd
Original Assignee
Fiberglass Ltd
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 Fiberglass Ltd filed Critical Fiberglass Ltd
Priority to GB1351675A priority Critical patent/GB1502683A/en
Priority to CA248,989A priority patent/CA1099112A/en
Priority to US05/822,257 priority patent/US4099948A/en
Publication of GB1502683A publication Critical patent/GB1502683A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/09—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates electrically heated
    • C03B37/091—Indirect-resistance heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

1502683 Composite casting FIBREGLASS Ltd 26 March 1976 [2 April 1975] 13516/75 Heading B3F A bushing end wall including electrical heating terminal means, for use in making glass fibres, is made by: (a) making a pattern of the end wall by placing suitable material (e.g. wax) in a suitably shaped mould and allowing the material to solidify; (b) removing the solidified material, and forming a refractory coating thereon (and optionally building up the coating by stuccoing repeatedly with sand); (c) removing the (wax) material to provide an unfired mould; (d) fining the mould (e.g. at 800- 1000‹ C.); and (e) casting the bushing end wall of Pt or Pt/Rh alloy. Preferably the metal is melted under vacuum, the vacuum being released when pouring the metal into the mould. The refractory coating may be formed with a slurry of hydrolysed ethyl silicate and powdered aluminia, zirconia or silica.
GB1351675A 1975-04-02 1975-04-02 Bushing for processing molten glass Expired GB1502683A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1351675A GB1502683A (en) 1975-04-02 1975-04-02 Bushing for processing molten glass
CA248,989A CA1099112A (en) 1975-04-02 1976-03-29 Bushing by an investment casting process
US05/822,257 US4099948A (en) 1975-04-02 1977-08-05 Bushing for processing molten glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1351675A GB1502683A (en) 1975-04-02 1975-04-02 Bushing for processing molten glass

Publications (1)

Publication Number Publication Date
GB1502683A true GB1502683A (en) 1978-03-01

Family

ID=10024402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1351675A Expired GB1502683A (en) 1975-04-02 1975-04-02 Bushing for processing molten glass

Country Status (2)

Country Link
CA (1) CA1099112A (en)
GB (1) GB1502683A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207086A (en) * 1977-12-23 1980-06-10 Owens-Corning Fiberglas Corporation Stream feeder apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207086A (en) * 1977-12-23 1980-06-10 Owens-Corning Fiberglas Corporation Stream feeder apparatus

Also Published As

Publication number Publication date
CA1099112A (en) 1981-04-14

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Legal Events

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