Device having final frame which doubles a blank frame, for bendi

Details Device having final frame which doubles a blank frame, for bendi Device having final frame which doubles a blank frame, for bendi

1992-01-21

1993-02-16

Woodard, Joye L.

Glass manufacturing

Preform reshaping means

Sheet bending mold

65290, 65291, C03B 23025, C03B 23027

Patent

active

051867303

ABSTRACT:
A process and a device for the bending on a frame of at least one glass sheet by gravity, the bending being performed in at least two stages during which the glass sheet or sheets undergo a deformation by gravity. In a first stage, the glass sheet or sheets are bent according to a first shape corresponding to a blank or precursor of the final shape. In a second stage, the glass sheet or sheets are bent according to the final shape. The device includes a frame 1 of which at least one part has two elements, one element forming a blank frame (2, 3, 4, 5) and another element forming a final frame (2, 3, 12, 13).

REFERENCES:
patent: 3235350 (1966-02-01), Richardson
patent: 3325267 (1967-06-01), Leflet et al.
patent: 4074996 (1978-02-01), Hagedorn et al.
patent: 4286980 (1981-09-01), Matsuzaki et al.

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