Improvements relating to building members for example bricks
1,083,230. Building blocks. DUNCAN STEWART (BONNYBRIDGE) Ltd. and R. M. STEWART. Dec. 31, 1965, No. 55504/65. Heading E1B. A rectangular building block 14 made from blue clay, concrete or sand-lime, has parallel undercut jointing grooves 16 running along the top and bottom and sides thereof, with no...
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Zusammenfassung: | 1,083,230. Building blocks. DUNCAN STEWART (BONNYBRIDGE) Ltd. and R. M. STEWART. Dec. 31, 1965, No. 55504/65. Heading E1B. A rectangular building block 14 made from blue clay, concrete or sand-lime, has parallel undercut jointing grooves 16 running along the top and bottom and sides thereof, with notches 18 formed in the walls of the grooves at each right-angled turn in the grooves, and has holes 20 therethrough, through which reinforcing rods may be passed if desired. |
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