Lamp component transport device

Details Lamp component transport device Lamp component transport device

1975-08-08

1977-06-07

Blix, Trygve M.

214 1Q, B65G 4792

Patent

active

040278042

ABSTRACT:
Axial-geometry incandescent lamps with accurately aligned, self-centering helical filaments are disclosed, the filaments having heavy end sections which are mechanically deformed to grip a helical center section. Tubular lamp envelopes have a glass center section and metal end sections heat-sealed thereto. Envelopes are produced in quantity by a machine having magazines loaded with envelope components, the components being automatically assembled and united by heat sealing. Envelopes of larger size may employ glass-beaded metal end sections formed before the end sections are assembled with the center section. Rotation of the envelope components during heat sealing ensures seal uniformity and concentricity.

REFERENCES:
patent: 3200965 (1965-08-01), Saunders et al.
patent: 3314555 (1967-04-01), Baker et al.

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