专利名称：Electric fusion welding of thermoplastic
materials
发明人：Butts, Ernest O.,Butts, Nicholas
Ernest,Pinder, Robert
申请号：EP88301155.3申请日：19880211公开号：EP0278768B1公开日：19930908
摘要：Thermoplastic members are welded together using a welding rod formed of acore (10) of said thermoplastic around which is wrapped in an electrical resistanceelement (11). The welding rod is positioned between members (12, 13) of thethermoplastic to be welded and electric current is applied to the electric resistanceelement while pressing the members (12, 13) and the core together to embed theelectric resistance element in the thermoplastic causing the plastic to fuse and form aunitary weld. Simultaneously the electrical resistance element (11) is embedded in theweld, mechanically reinforcing and strengthening the connection.
申请人：E. O. BUTTS CONSULTANTS LTD.
地址：78-B JAMIE AVENUE; NEPEAN ONTARIO K2E 6T6
代理机构：Howden, Christopher Andrew
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