Expendable heater sealing process

Details Expendable heater sealing process Expendable heater sealing process

1985-01-09

1986-02-25

Culver, Horace M.

Package making

Closing packages and filled receptacles

By means adapted to engage outturned seam of package cover

156 69, 1563797, B65B 5114, B65B 728

Patent

active

045719217

ABSTRACT:
A process and apparatus for sealing electronic packages and lids involves placing a heater preform device between the sealing surfaces of the package and lid. If the package and lid are ceramic, the preform may be metallic having a glass coating fused thereto. Similar glass coatings would be fused to the sealing surfaces of the package and lid. The metallic portion of the preform is then heated by, for example, passing an electrical current therethrough to melt the glass and effect the seal.

REFERENCES:
patent: 2333412 (1943-11-01), Crandell
patent: 2542702 (1951-02-01), Prow
patent: 2631642 (1953-03-01), Richardson et al.
patent: 3767076 (1973-10-01), Kennedy
patent: 3874549 (1975-04-01), Hascoe

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