| 摘要 |
<p>Mould for production of building elements of disclosure A mould to be used for production of building elements having fixed to one or more sides of it a layer or layers of a somewhat flexible material, which mould is made of an elastically deformable material so as to be bent and stretched away from the cast element when same has been hardened. A position of the inner surface of said mould consists of a rigid plate to which the layer or layers to be cast fast to the element is held in position during filling of the mould with moulding mass.</p> |
