Sheathed heating element and sealing of sheathed electric heatin

Details Sheathed heating element and sealing of sheathed electric heatin Sheathed heating element and sealing of sheathed electric heatin

1979-05-14

1982-02-09

Gilden, Leon

Metal working

Method of mechanical manufacture

Electrical device making

29614, 29615, H05B 300

Patent

active

043144012

ABSTRACT:
A method of sealing an electric heating element having an electric heating wire inside a tubular metal sheath and electrically insulated therefrom by a compacted filler, comprises impregnating the filler at and in the vicinity of the end of the sheath with an electrically insulative solution and compressing the sheath in said vicinity such that said electrically insulative solution substantially permeates the interstices within the impregnated filler.

REFERENCES:
patent: 2322988 (1943-06-01), Wiegand
patent: 2861162 (1958-11-01), Inthoudt
patent: 2933805 (1960-04-01), McOrlly
patent: 3492624 (1970-01-01), Oakley

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