Carriage to carry mold for bending glass sheets

Details Carriage to carry mold for bending glass sheets Carriage to carry mold for bending glass sheets

1989-10-19

1990-11-27

Lindsay, Robert L.

Glass manufacturing

Preform reshaping means

Sheet bending mold

65361, 65DIG4, C03B 2302

Patent

active

049733486

ABSTRACT:
This invention relates to a mold carriage for carrying thereon a mold for bending a glass sheet, or a stack of glass sheets to be laminated, placed thereon into a curved shape by heating in a furnace. To locally intensely heat the glass sheet in a selected area to be bent sharply relative to the major area, the mold carriage is installed with a heater to heat a selected area of the glass sheet from underneath, a holder to hold the heater and adjust the position of the heater, and a heater support to support thereon an external heater which is suspended from a separate member disposed in the furnace to heat the afore-mentioned area of the glass sheet from above. The heater support also can adjust the position of the external heater.

REFERENCES:
patent: 4043785 (1977-08-01), Reese
patent: 4072493 (1978-02-01), Imler
patent: 4173461 (1979-11-01), Ebata et al.
patent: 4233050 (1980-11-01), Comperatore et al.

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