Apparatus for bending and tempering thermoplastic sheet material

Details Apparatus for bending and tempering thermoplastic sheet material Apparatus for bending and tempering thermoplastic sheet material

1984-07-20

1985-09-10

Kellogg, Arthur

Glass manufacturing

Glassworking or preform by or with reheating means

Planar sheet preform

65104, 65114, 65287, C03B 23033, C03B 2704

Patent

active

045404267

ABSTRACT:
An apparatus for bending or bending and tempering of thermoplastic sheets such as glass sheets heated to their softening temperature by passing the glass sheets over a bed of straight or curved supporting rollers placed along a profile with an upward concavity. The apparatus comprises a pivoting assembly which transfers the glass sheets from a supporting bed of rollers with one slope to a conveyor with a different slope. The last supporting roller of the bed of supporting rollers constitutes the first support roller of the conveyor. The apparatus permits the transfer of glass sheets from a transport system with one slope to another transport system with a different slope without damaging either the glass sheets themselves or any coatings that may have been applied to the glass sheets.

REFERENCES:
patent: 3782916 (1974-01-01), Powell et al.
patent: 3799752 (1974-03-01), Cheron
patent: 3801298 (1974-04-01), Bezombes
patent: 3831239 (1974-08-01), Hoff et al.
patent: 4054437 (1977-10-01), Ueberwolf et al.
patent: 4054438 (1977-10-01), Presta
patent: 4123246 (1978-10-01), Johnson
patent: 4139359 (1979-02-01), Johnson et al.
patent: 4203754 (1980-05-01), Potier
patent: 4292065 (1981-09-01), Nedelec et al.

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