H - Electricity – 01 – J
Patent
H - Electricity
01
J
313/174
H01J 5/60 (2006.01)
Patent
CA 1273394
PHN 11873 05.02.1987 ABSTRACT Electric lamp having a lamp envelope (1) and a synthetic material lamp bowl (6) which is secured to the lamp envelope and is provided with a lamp cap (7), the lamp envelope on its side facing the lamp bowl being provided with a plurality of projecting plate-shaped members (9) extending substantially parallel to the lamp axis (A-B), which members are undetachably accommodated between ribs (10,11) on the inner wall of the lamp bowl (6), which ribs also extend substantially parallel to the lamp axis. Figure 1.
535438
Derks Pierre L.l.m.
Penning Cornelis
Van Der Heijden Johannes M.a.
Fetherstonhaugh & Co.
N.v. Philips Gloeilampenfabrieken
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