Bending iron having member to effect reverse bend and method of

Details Bending iron having member to effect reverse bend and method of Bending iron having member to effect reverse bend and method of

1989-09-18

1990-12-25

Woodard, Joye L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65103, 65287, 65288, 65291, C03B 23027

Patent

active

049799770

ABSTRACT:
A method and apparatus for controlling the shape of heat softened glass sheets. A pan member is positioned inboard of the shaping rails of a bending iron. The upper surface of the pan member has a curvature corresponding to the final desired shape of a selected portion of the glass sheet. As the glass sheet is heated and sags to conform with the contoured shaping rail, it also sags into contact with the pan member and conforms to its shape.

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patent: 3278287 (1966-10-01), Leflet et al.
patent: 3457060 (1969-07-01), Leflet et al.
patent: 3976462 (1976-08-01), Sutara
patent: 4305746 (1981-12-01), Hagedorn et al.
patent: 4375978 (1983-03-01), Reese et al.
patent: 4508556 (1985-04-01), Bennett et al.
patent: 4606749 (1986-08-01), Nushi et al.

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