H - Electricity – 01 – K
Patent
H - Electricity
01
K
313/172.12
H01K 1/46 (2006.01) H01K 1/42 (2006.01)
Patent
CA 1169471
PHN. 9917 ABSTRACT 7 An electric incandescent lamp according to the invention has a lamp envelope the pinch of which extends in a recess of an insulating body and is secured to body by means of cement. The insulating body forms part of a lamp cap. On the surface of the pinch a projection is present which determines the depth to which the pinch extends in the recess of the insulating member.
391917
Siaens Gustaaf F.r.
Verwimp Frans J.d.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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