Electric lamp or space discharge component or device manufacturi – Apparatus – Assembly means
Patent
1995-10-02
1997-05-13
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Apparatus
Assembly means
65154, H01J 9385
Patent
active
056286643
ABSTRACT:
A system for sealing a large diameter tube under vacuum including: a tube having a diameter greater than about 20 mm, a disk operatively positioned inside the tube and having a smaller diameter than the tube, a vacuum operatively connected to the tube, heating means, operatively positioned on the outside of the tube, for heating the tube to a temperature sufficient to collapse the tube onto the disk, means for positioning the disk inside the tube proximate the position of the heating means on the outside of the tube and means for cooling the tube proximate the disk sufficiently to formulate a seal between the tube and the disk where the disk collapsed onto the disk is disclosed.
REFERENCES:
patent: 1461115 (1923-07-01), Madden et al.
patent: 2417361 (1947-03-01), Herzog
patent: 4447216 (1984-05-01), Moriwaki
Benz Mark G.
Jones William J.
Raber Thomas R.
Zabala Robert J.
General Electric Company
Pittman William H.
Ramsey Kenneth J.
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