Heat conserver for bell-type ovens

Details Heat conserver for bell-type ovens Heat conserver for bell-type ovens

1977-06-06

1979-03-27

Truhe, J. V.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

53557, 219349, 219385, 219388, F27D 1103

Patent

active

041467779

ABSTRACT:
A heat conserver for bell-type ovens, which latter comprehends a housing which is closed at its sides and top and open at its bottom with heating elements as of the infrared emitter-type located adjacent the lower end. One form of the conserver consists of a frame having heat reflective surfaces for confronting relationship to the heating elements when the oven is in raised or inoperative position for directing the radiated heat returningly thereon. Another form of the conserver is a flat plate for disposition closingly across the normally open lower end of the housing when the latter is in inoperative position. Both forms of the invention are adapted for vertical reciprocal movement.

REFERENCES:
patent: 1802407 (1931-04-01), Danninger et al.
patent: 2852651 (1958-09-01), Crumrine et al.
patent: 3053962 (1962-09-01), Cerasani
patent: 3275799 (1966-09-01), Meltzer
patent: 3493724 (1970-02-01), Wells
patent: 3531873 (1970-10-01), Beck
patent: 3717939 (1973-02-01), Mitchell
patent: 3723708 (1973-03-01), Tulkoff
patent: 3809859 (1974-05-01), Wells
patent: 3897671 (1975-08-01), Higgins

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