Method of bending a glass sheet

Glass manufacturing – Processes – Glass preform treating

Patent

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Details

65104, 65106, C03B 2303

Patent

active

043614337

ABSTRACT:
A method of handling a glass part to be treated and shaped in a hot liquid bath of a composition having a melting point greater than ambient temperature comprises the steps of: placing at least one glass part on at least one flexible porous member suspended by its edges; immersing the glass part, flexible member and a form in the hot bath; drawing the immersed glass part against the form by pulling the edges of the flexible porous member over the form; removing the form, glass part and flexible member from the bath as a unit, whereupon the glass and a portion of the bath composition hardens, the bath composition clinging to the glass and porous member; removing the form from the glass; and, removing the flexible porous member, and essentially all of the bath composition clinging to the glass. Protection for the glass and further ease of handling are provided where a second flexible porous member is placed between the glass and the form. Additional sheets of glass may be added, with interspersed flexible porous members, to produce matched sets of glass parts of accurate complimentary dimensions.

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