E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
20/48
E04C 3/14 (2006.01)
Patent
CA 1139518
ABSTRACT A wooden structural beam composed of two opposi- tely shaped halves joined together to form the web portion, and the envelope, of the flange portion of the beam. Each beam half is molded from very thin wooden laminations bonded together and shaped to define a flat, vertical central panel, with diagonal panels extending upwardly and downwardly from the upper and lower edge portions of the central panel and trans- versely outwardly in a direction opposite the vertical line of symmetry of the beam. Each beam half also includes vertically disposed flange panels which extend upwardly and downwardly from their corresponding diagonal panels to lie in a plane parallel to, and transversely offset from, the plane of the central panel. The upper flange panels of the two beam halves define an upwardly open trough for snugly receiving a rectangularly shaped chord member therebetween. Correspondingly, the lower flange panels of the two beam halves define a downwardly open trough for snugly receiving a rectangularly shaped lower chord member therebetween. Constructed in this manner, the beam is pleasing enough in appearance to be left exposed to the interior of a dwelling, office or similar structure.
354748
Hirata Kazuhiko
Isigaki Hiroshi
Nakagawa Satoshi
Matsushita Electric Works Ltd.
Ridout & Maybee Llp
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