A - Human Necessities – 21 – B
Patent
A - Human Necessities
21
B
126/76
A21B 3/02 (2006.01) F23M 11/04 (2006.01) F24C 15/04 (2006.01)
Patent
CA 1056680
ABSTRACT OF THE DISCLOSURE 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 to 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, outward- ly 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.
250042
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