Cartridge heater structure

Details Cartridge heater structure Cartridge heater structure

1979-06-19

1981-09-01

Albritton, C. L.

Electrical resistors

Incased, embedded, or housed

Terminal or lead extends into end of elongated casing or...

219342, 219353, 219541, 338242, 338243, H01C 102

Patent

active

042875021

ABSTRACT:
An elongate, electric resistance heater having a tubular case, a plug in and spaced from one end of the case and elongate, flexible jacketed power lines extending through the plug and axially outward from said end of the case, an elongate, tubular, flexible braided metal sheath about the lines and coupling means coupling said end of the case and the end portion of the sheath adjacent thereto, said coupling means including elongate concentric inner and outer tube parts arranged with said end portion of the sheath held tight therebetween, a radially outwardly projecting flange on one of said parts arranged within said end portion of the case adjacent said plugs and retaining means at said end of the case axially outward of the flange and holding the flange and its related parts and sheath against axial outward displacement in the case and relative to the lines.

REFERENCES:
patent: 1698289 (1929-01-01), Abbott
patent: 1708961 (1929-04-01), Abbott
patent: 3156491 (1964-11-01), Jackson et al.
patent: 3374307 (1968-03-01), Rauen et al.
patent: 3839623 (1974-10-01), Portmann

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