Method of treating glass forming molds and the like

Details Method of treating glass forming molds and the like Method of treating glass forming molds and the like

1979-10-09

1981-04-28

Kellogg, Arthur D.

Glass manufacturing

Processes

Utilizing parting or lubricating layer

65 24, 65374RM, C03B 4002

Patent

active

042643503

ABSTRACT:
The present invention relates to a process for treating molten glass contacting surfaces including forming molds, gob chutes, neck rings, and the like, with an organic solution of a metal organic phosphate having a finely-divided lubricious filler dispersed therein, the dispersion being used to coat such glass contacting surfaces and the coating being heated to form a degradation product having improved glass releasing and wear-resistant properties. The coating forms a solid film lubricant especially adapted for use in manufacturing glass articles providing quick release of the molded glass articles, a protective lubricant layer for the glass contacting surfaces, and eliminating the need for frequent swabbing of such surfaces, especially mold surfaces with oily compositions.

REFERENCES:
patent: 2982727 (1961-05-01), Pattenden et al.
patent: 3994847 (1976-11-01), Macantonio et al.
patent: 4003867 (1977-01-01), Cooper et al.

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