发明名称 APPARATUS AND METHOD FOR JOINING PLASTICS ELEMENTS, TYPICALLY TO ASSEMBLE PIPE T OR Y BRANCH ASSEMBLIES
摘要 A method for jointing at least two plastic elements (1-1,2-1), whereby an edge (18) of a first plastic element (1-1) is at least partially placed in an opening of a second plastic element (2-1), the edge (18) of the first plastic element (1-1) being folded over an edge (3) of the opening of the second plastic element (2-1) under plastic deformation, using pressure means (12), whereby the edge of the first plastic element is pressed against a curved butting face of a pressure body being placed in the second plastic element at the opening thereof, that the edge of the first plastic element along the butting face is pushed radially outward and over the edge of the opening of the second plastic element, that the edges of both plastic elements are pressed together by exerting pressure on both sides of the edges, and that use is made of a sealing ring at least partially between the edges. <IMAGE>
申请公布号 NZ264842(A) 申请公布日期 1996.10.28
申请号 NZ19940264842 申请日期 1994.11.01
申请人 NYLOPLAST EUROPE BV 发明人 WULFF, FREDERIK KAREL ALBERT
分类号 F16L41/02;B21D39/04;B29C65/02;B29C65/56;B29D23/00;B29L23/00;F16L47/00;F16L47/26 主分类号 F16L41/02
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