Radiant heater, as well as method and apparatus for its producti

Details Radiant heater, as well as method and apparatus for its producti Radiant heater, as well as method and apparatus for its producti

1991-04-24

1993-03-23

Reynolds, Bruce A.

Electric heating

Heating devices

With heating unit structure

219467, 219548, 338299, 338226, H05B 310, H05B 368

Patent

active

051966786

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 mould (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
patent: 4713527 (1987-12-01), Kicherer et al.
patent: 4717810 (1988-01-01), Schreder
patent: 4778978 (1988-10-01), Schreder et al.
patent: 4845340 (1989-07-01), Goessler et al.

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