发明名称 Method and device for producing surface-coated pipes
摘要 The present invention relates to a method and device for producing extruded products 2 coated with hot-melt adhesive. According to the invention, the hot-melt adhesive is applied by the product in question passing through an adhesive-filled pass-through chamber 8 which, via a restriction, merges into a discharge opening 14 which offers a gap a between the outer side of the product and the inner side of the discharge opening 14. This gap a determines the thickness of the acquired adhesive layer L. <IMAGE>
申请公布号 SE468835(B) 申请公布日期 1993.03.29
申请号 SE19910002450 申请日期 1991.08.27
申请人 NORABEL AB 发明人 J R *JANSSON
分类号 B21C37/00;B29D23/00 主分类号 B21C37/00
代理机构 代理人
主权项
地址