Process of strengthening glass bottles and the like

Details Process of strengthening glass bottles and the like Process of strengthening glass bottles and the like

1976-01-12

1977-08-02

Lindsay, Jr., Robert L.

Glass manufacturing

Processes

Utilizing parting or lubricating layer

65 30R, 65 60B, 427133, 427385A, 427407A, C03C 1728, C03B 3900

Patent

active

040393100

ABSTRACT:
A method of strengthening glass comprising heating the glass to a temperature between approximately 700.degree. F. and the decomposition temperature of a selected fatty acid, and applying said fatty acid to the surface of the glass. The fatty acid, in regard to the carboxyl group, employed in the disclosed process is not reacted with any other chemical; it is chemisorbed on the surface of the glass for strengthening the microcrack structure on said surface.

REFERENCES:
patent: 3387994 (1968-06-01), Dunton
patent: 3495962 (1970-02-01), Norton et al.
patent: 3508894 (1970-04-01), Torok
patent: 3876410 (1975-04-01), Scholes

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