Glass manufacturing – Glassworking or preform by or with reheating means – Planar sheet preform
Patent
1987-11-05
1989-03-14
Lindsay, Robert L.
Glass manufacturing
Glassworking or preform by or with reheating means
Planar sheet preform
65289, 65291, 65359, C03B 2302
Patent
active
048121576
ABSTRACT:
An adjustable glass forming apparatus includes a peripheral frame having a shape which generally conforms to the shape of the glass sheet to be formed. Though preferably defining an L-shape in cross section, the frame may define other suitably rigid cross sections. A plurality of adjustable supports are disposed in close proximity about the frame. Each support includes a curved upper surface which contacts the lower face of the glass and a stanchion or shank which is received within a suitable opening in the frame. Preferably, the shank and opening define complementary male and female threads or other adjustable structures. The support may be readily adjusted up or down by rotation thereof and a jam nut maintains the support in the selected position.
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