Window unit for use in oven doors

Details Window unit for use in oven doors Window unit for use in oven doors

1976-04-14

1977-11-29

Camby, John J.

Stoves and furnaces

Stove doors and windows

Transparent panel

52656, F23M 700

Patent

active

040600696

ABSTRACT:
The window unit is formed of a frame and of glass sheets arranged in spaced parallel relationship so as to form an air space between adjacent glass sheets; the frame is defined by top and bottom members and a pair of side members. The top and bottom frame members each have laterally spaced longitudinal portions forming channels and individually receive a major portion of the upper and lower marginal edges of the glass sheets. The side frame members each have recessed portions forming side channels to receive the side marginal edges of the glass sheets; each side frame member includes, at opposite ends thereof and between the side channels, outwardly projecting tongues extending between the channels of the top and lower frame members; the tongues are made of a material which is capable of being bent so that they may be folded over adjacent end portions of the top and bottom frame members to thereby lock the frame members in assembly with the glass sheets contained therein; air circulation through said unit is permitted by the spaces between the channels of the bottom and top frame members.

REFERENCES:
patent: 2687194 (1954-08-01), Kelly
patent: 3855994 (1974-12-01), Evans et al.

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