Method of producing walls, carcass floorings, ceilings or roofs from concrete blocksor from blocks of porous concrete or other suitable light material for transportablehouses, barracks or the like

摘要

563,392. Walls; floors; roofs. LUNDHOLM, J. E. Feb. 17, 1943, No. 2640. Addition to 557,025. [Class 20 (iv)] The wires 3 holding together wall &c. slabs 1 according to the parent Specification are first strained and then clamped in strained position, instead of being retained by mortar &c. Examples show a straining device left in situ and a separate strain holding clamp 13 bearing against a washer 12. This enables a building to be knocked down for transport and re-erection.