E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
E04F 11/02 (2006.01) B28B 7/00 (2006.01) B28B 7/18 (2006.01) E04C 1/00 (2006.01) E04C 1/39 (2006.01) E04F 11/022 (2006.01)
Patent
CA 2324037
A stair component block constructed of zero slump concrete is formed with a hollow center section surrounded by orthogonal upright walls. Two opposing walls are interconnected with a narrow vertical web which is provided with two or three vertical slots extending from its top edge toward generally the center of the web. Additional vertical slots are formed in the web at the intersections of the web and the opposing walls interconnected by the web. Each of these slots extends from the top edge of of the web part way to the bottom of the web. The web is so slotted such that the top part of the web may be easily removed by striking the sides of the top of the web after the block has been placed.
King's Material Inc.
Shapiro Cohen
LandOfFree
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