| 摘要 |
<p>The object of the invention relates to a mould for casting hygienic-sanitary apparatus with an open or closed integral rim which comprises a lower mould part and at least two lateral mould parts suitable for being closed on the latter according to a horizontal movement of reciprocal bringingtogether and which also provides, in correspondence with the upper ends of the inner surfaces of the two lateral mould parts, coplanar perimetral brackets which project towards the central zone of the mould so that on their lower surfaces there is constituted, during the casting stages, the upper horizontal wall of the integral rim, open or closed, of the article to be cast; the aperture defined by said coplanar perimetral rims being closed by a suitable closure insert, the portion of which that is inserted into the aperture constituting the moulding surface of the vertical inner wall of the open or closed rim.</p> |
