E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/93
E04B 1/10 (2006.01) E04B 2/70 (2006.01) E04F 13/10 (2006.01)
Patent
CA 1194670
ABSTRACT OF THE DISCLOSURE An upstanding side wall comprises wood plank members having opposite planar outwardly facing vertical surfaces. The longitudinal side edges are bifurcated symmetrically with respect to a vertical central plane bisecting the two planar surfaces. The bifurcations are curved in horizontal cross- section to form a pair of curved tongues with an intermediate concave curved recess between the tongues. Each recess receives a mating tongue of an adjacent vertical plank member. Each member is symmetrical about the central plane and also about a midplane perpendicular to the central plane and midway between the bifurcations. Alternate members may comprise members corresponding substantially to a half of such a member cut along the central plane. A low density soft foam sealant is applied in a groove at the bottom of each recess.
427691
Fetherstonhaugh & Co.
Macdonald Milton H. Jr.
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