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GB498497A - An electric oven for annealing or hardening glass or crystal plates - Google Patents

An electric oven for annealing or hardening glass or crystal plates

Info

Publication number
GB498497A
GB498497A GB9388/37A GB938837A GB498497A GB 498497 A GB498497 A GB 498497A GB 9388/37 A GB9388/37 A GB 9388/37A GB 938837 A GB938837 A GB 938837A GB 498497 A GB498497 A GB 498497A
Authority
GB
United Kingdom
Prior art keywords
annealing
electric oven
crystal plates
hardening glass
april
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
GB9388/37A
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.)
PIETRO MELCHIORRE
Original Assignee
PIETRO MELCHIORRE
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 PIETRO MELCHIORRE filed Critical PIETRO MELCHIORRE
Publication of GB498497A publication Critical patent/GB498497A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/02—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • C03B29/025—Glass sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

498,497. Electric resistance furnaces. MELCHIORRE, P. April 2, 1937, No. 9388. Void. Convention date, April 2, 1936. [Class 39 (iii)] The heating resistances in a furnace for heat - treating glass plates are arranged ir grooves in opposec plane or curved walls which may be inclinec to the vertical. The grooves may be of the forms shown. The blocks forming the walls are provided with tongues 5, projections 6, and complementary recesses to provide interlocking engagement.
GB9388/37A 1936-04-02 1937-04-02 An electric oven for annealing or hardening glass or crystal plates Expired GB498497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT498497X 1936-04-02

Publications (1)

Publication Number Publication Date
GB498497A true GB498497A (en) 1939-01-09

Family

ID=11271706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9388/37A Expired GB498497A (en) 1936-04-02 1937-04-02 An electric oven for annealing or hardening glass or crystal plates

Country Status (1)

Country Link
GB (1) GB498497A (en)

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