POLYMERIC PIPE WELDING APPARATUS
    1.
    发明公开

    公开(公告)号:US20240278509A1

    公开(公告)日:2024-08-22

    申请号:US18571788

    申请日:2022-06-20

    申请人: PINWELD LIMITED

    发明人: Keven Chappell

    摘要: An apparatus for welding polymeric pipes such as pipe segments in a pipeline welds first and second pipes around a circumferential weld zone and has one or more welding heads, a carriage for guiding the one or more welding heads around the circumferential weld zone and a drive arrangement for effecting relative rotation between the pipes and the or each welding head. The or each of the welding heads has a body and a heating element carried by the body for supplying heat to the circumferential weld zone to cause melting thereof. The heating element is arranged to reciprocate relative to the body of the welding head between a retracted and an extended configuration such that as the heating element moves from the retracted to the extended configuration the heating element melts and penetrates the surface of the circumferential weld zone forming a weld.