Equipment for manufacturing gas-filled discharge tubes for use a

Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically

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432198, 432204, 432242, F27D 304, F27D 118, F27B 504

Patent

active

044240260

ABSTRACT:
A furnace system adapted to perform various manufacturing phases in the production of gas-filled discharge tubes designed as transient protectors includes at least two vertically spaced treatment tube sections separated from each other by a sealing tube. Treatment trays pass through the sealing tube in a vertical direction; the inside of the sealing tube and the outside of the treatment trays are adjusted to each other in terms of dimensions and materials so that there is obtained adequate sealing between the treatment sections while maintaining a sufficiently low coefficient of friction to permit the treatment trays to readily pass therethrough.

REFERENCES:
patent: 218529 (1879-08-01), Hawkins
patent: 1659550 (1928-02-01), Steenstrup
patent: 1723538 (1929-08-01), Batie
patent: 1852800 (1932-04-01), Childs et al.
patent: 2124162 (1938-07-01), Eddison et al.
patent: 2315294 (1943-03-01), Stewart et al.

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