H - Electricity
01
J
313/135
H01J 61/36 (2006.01) H01K 1/32 (2006.01) H01K 1/38 (2006.01)
Patent
CA 1143426
PHN 9633 11 ABSTRACT: electric lamps according to the invention have a quartz glass lamp envelope with a flattened pinch seal in which at least one current supply wire is incorporated. Over a part of its length the current supply wire has a circumferential coating of intermediate glass, between the ends of which the glass of the pinch seal is fused with that coating. On each of its major side surfaces the flat pinch seal has a raised ridge extending over the whole pinched length of the current supply wires above each of the wires incorporated in the pinch seal.
364555
Ekkelboom Tjepke H.
Geeven Thomas
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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