Sealing tubulation and method

Details Sealing tubulation and method Sealing tubulation and method

1984-02-17

1985-04-23

Shoap, Allan N.

Receptacles

Envelope for electric lamp or similar device

With evacuating stem or valve

65 34, 228 60, 445 43, H01J 926, H01J 1954, H01K 312, H01K 136

Patent

active

045124884

ABSTRACT:
An enclosure for sealing components is sealed by a tubulation member having narrowed cross-sectional width in one dimension. The narrowed dimension serves to minimize stresses at the tubulation interface when the enclosure is sealed by pinching the tubulation member. This allows a large tubulation member to be used and pinched-off closer than possible with a rounded tube.

REFERENCES:
patent: 1623323 (1927-04-01), Van Voorhis
patent: 1914634 (1933-06-01), Eden et al.
patent: 2776473 (1957-01-01), Dailey et al.
patent: 3080497 (1963-03-01), Noel et al.
patent: 3763390 (1973-10-01), Belknap
patent: 3968195 (1976-07-01), Bishop
patent: 4385257 (1983-05-01), Fitzgerald

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