| 摘要 |
Apparatus for forming relatively sharp angled bends in a flat sheet of glass including a sectionalized gravity mold supported on a frame having electrically conducting means thereon including a plurality of bus bars mounted on one of the end members of the frame in spaced relation thereto for engagement by electrically conducting probes to deliver electric current to said electrically conducting means. A rigid, unitary, one-piece electrical insulator substantially coextensive with said frame end member is interposed between the bus bars and the frame end member to electrically insulate the latter from said bus bars.
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