B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
294/24
B66C 1/48 (2006.01) C03B 23/02 (2006.01) C03B 23/031 (2006.01) C03B 35/20 (2006.01)
Patent
CA 1080276
TONGS FOR SUPPORTING GLASS SHEETS DURING PRESS BENDING TO "V" SHAPES Abstract of the Disclosure When glass sheets are bent to "V" shape by press bending and electrical current is used to provide localized heating along the intended line of a sharp bend, it is necessary to insulate the glass electrically from ground. This is done according to the present invention by providing the pressing molds that engage the glass with covers of electrical insulator material, such as fiber glass, and by incorporating in the glass suspending means or tongs a length of electrical insulator material sufficiently long to effectively insulate the metal tongs that engage the glass from the tong suspension carriage which is grounded and to avoid electrical arcing. The detailed tongs construction incorporating a member of an electrical insulator material of sufficient length to insulate the conductive glass sheet portion from a grounded tong supporting carriage and to avoid arcing therebetween is also part of the present invention.
293443
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