Method of making a radiant heater

Details Method of making a radiant heater Method of making a radiant heater

1989-07-25

1991-09-17

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

26427218, 219467, 338253, 338269, H05B 300

Patent

active

050481762

ABSTRACT:
A radiant heater with partly embedded and otherwise projecting heating coils (16) is produced in that the coils (16) are placed in grooves (14) of a tool or mold (13), the interior of the heating coils is partly filled with a filling material (17) and then the dry, pourable insulating material is pressed thereon. Thus, the filling material forms a counter-die and is removed on taking the compressed insulator (21) out of apparatus (11) in that it drops between the heating coils.

REFERENCES:
patent: 3436816 (1969-04-01), Lemelson
patent: 3500444 (1970-03-01), Hesse et al.
patent: 4091355 (1978-05-01), Beck
patent: 4207672 (1980-06-01), Wohlert

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