GB333840A - An improved process and apparatus for tempering glass - Google Patents

An improved process and apparatus for tempering glass

Info

Publication number
GB333840A
GB333840A GB36851/29A GB3685129A GB333840A GB 333840 A GB333840 A GB 333840A GB 36851/29 A GB36851/29 A GB 36851/29A GB 3685129 A GB3685129 A GB 3685129A GB 333840 A GB333840 A GB 333840A
Authority
GB
United Kingdom
Prior art keywords
sheet
tempering
bosses
improved process
panels
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
GB36851/29A
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB333840A publication Critical patent/GB333840A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00—Tempering or quenching glass products
    • C03B27/004—Tempering or quenching glass products by bringing the hot glass product in contact with a solid cooling surface, e.g. sand grains

Abstract

333,840. Soc. Anon. des Manufactures des Glaces et produits Chimiques de St.-Gobain, Chauny, et Cirey. Aug. 8, 1929, [Convention date]. Tempering.-A process for tempering sheet glass consists in heating a sheet to a suitable temperature, suspending it in a vertical position, and placing it while still hot between two hollow panels B through which a cooling fluid is circulated, the panels being provided with bosses or projection C which touch, or approach very closely to, both faces of the sheet. The bosses are screwed into apertures in the panel and they may be replaced by others that serve only as closures and do not exercise any cooling effect on the sheet.
GB36851/29A 1929-08-08 1929-12-02 An improved process and apparatus for tempering glass Expired GB333840A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR333840X 1929-08-08

Publications (1)

Publication Number Publication Date
GB333840A true GB333840A (en) 1930-08-21

Family

ID=8891108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36851/29A Expired GB333840A (en) 1929-08-08 1929-12-02 An improved process and apparatus for tempering glass

Country Status (1)

Country Link
GB (1) GB333840A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762166A (en) * 1953-05-11 1956-09-11 Temp R Lens Inc Apparatus and method for toughening ophthalmic lenses, or the like, and to the toughened lens
US3174839A (en) * 1960-07-15 1965-03-23 Glaces De Boussois S A Method and apparatus for heat treatment of glass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762166A (en) * 1953-05-11 1956-09-11 Temp R Lens Inc Apparatus and method for toughening ophthalmic lenses, or the like, and to the toughened lens
US3174839A (en) * 1960-07-15 1965-03-23 Glaces De Boussois S A Method and apparatus for heat treatment of glass

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