B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 57/00 (2006.01) B29C 61/02 (2006.01)
Patent
CA 2588552
An apparatus for thermoplastically forming a contour in a thermoplastic duct defining a passage is discolsed. The apparatus includes a rigid inner support structure operably configured to extend longitudinally in the passage of the duct and having an outer surface configured to correspond to a desired configuration of the duct. The apparatus also includes a heater assembly configured to heat a formation portion of the duct to at least a formation temperature. The apparatus further includes a heat shrinkable tape configured to be disposed circumferentially on the formation portion of the duct. The outer surface of the inner support structure defines a mold contour and the heat shrinkable material is adapted to contract radially when heated to urge the formation portion of the duct radially inward against the mold contour to thermoplastically form the duct.
Dispositif utilisé pour former un contour dans une gaine en thermoplastique définissant un passage. Le dispositif comprend une structure de soutien intérieure rigide configurable pour s'insérer longitudinalement dans le passage de la gaine et dont la surface externe s'adapte à la forme de la gaine. Le dispositif comprend un appareil de chauffage positionné pour chauffer une partie de la gaine en formation au moins jusqu'à une température minimale de formation. Le dispositif comprend également un ruban thermorétractable positionné pour être appliqué sur la circonférence de la portion de la gaine en formation. La surface externe de la structure de soutien interne définit le contour du moule, et le ruban thermorétractable est configuré de façon à se contracter radialement vers l'intérieur et épouser le contour du moule afin de former le conduit thermoplastique.
Lum Matthew K.
Seifert Albert E.
Shaw Robert G. II
Younie Mark L.
Smart & Biggar
The Boeing Company
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