Forming laminated articles from a composite encapsulated charge

Details Forming laminated articles from a composite encapsulated charge Forming laminated articles from a composite encapsulated charge

1983-01-27

1984-07-03

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65121, 65127, 65129, 65130, 264148, C03B 1700, C03B 700

Patent

active

044577710

ABSTRACT:
A method is set forth for forming laminated articles such as by pressing, blowing, and press and blow techniques, directly from a composite gob of molten glass having an inner core of one glass and an outer skin of a second glass. A charge of molten core glass is delivered from one supply of molten glass and a charge of molten skin glass from a separate supply is simultaneously delivered so as to surround the core glass. The composite charge is severed from their separate supplies so as to form a discrete composite gob of molten glass having a core glass encapsulated within a skin glass. The discrete composite charge of molten glass is delivered to a forming mold wherein a positive force such as pressing and/or blowing is applied to said charge of molten glass within the mold to form a laminated article having a core of one glass which is completely surrounded by a skin of a second glass.

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