Search International and National Patent Collections

1. (WO2018083397) METHOD FOR ASSEMBLING THERMOPLASTIC TUBES BY INDUCTION WELDING

Pub. No.:    WO/2018/083397    International Application No.:    PCT/FR2017/052931
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Wed Oct 25 01:59:59 CEST 2017
IPC: B29C 65/36
F16L 47/02
F16L 59/20
B29L 23/00
B29L 9/00
B29K 101/12
B29K 705/12
Applicants: SAIPEM S.A.
Inventors: PIONETTI, François-Régis
MAJDOUB, Taoufik
SUNDERMANN, Axel
AGOUMI, Jalil
Title: METHOD FOR ASSEMBLING THERMOPLASTIC TUBES BY INDUCTION WELDING
Abstract:
The present invention concerns a method for assembling two tubes (1, 2) made from thermoplastic materials, that involves welding by heating two applied rotational contact surfaces of two parts of two tubes (1 ,2), respectively, arranged end to end or overlapping coaxially (XX'). The method involves induction heating of at least one conductive welding element (4), arranged at the interface (3) between the two contact surfaces, by generating a magnetic field at said conductive welding element or elements, such that the melting of the thermoplastic materials constituting said contact surfaces produces a continuous and sealed weld at said interface on at least one closed loop along the entire perimeter of said interface.