B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/66 (2006.01) F16L 47/00 (2006.01)
Patent
CA 2755226
The invention is directed to an apparatus for heating an elongate tubular article, comprising a frame member adapted to be disposed around said article, a heater with multiple heating zones and a controller for operating the heating device. The apparatus may be used to apply a heat shrinkable sleeve around a welded pipe joint. The heater may be infrared and also may use thin stamped sheets. If a heat shrinkable sleeve is used, the controller may activate the heating zones from the centre of the weld outward to eliminate pockets of air. The diameter of the interior of the frame may change along the length of the frame.
L'invention se rapporte à un appareil destiné à chauffer un objet tubulaire allongé, comprenant un élément de cadre conçu pour être disposé autour dudit objet, un dispositif de chauffage pourvu de multiples zones de chauffage et un dispositif de commande destiné à actionner le dispositif de chauffage. L'appareil peut être utilisé pour appliquer un manchon thermorétractable autour d'un raccord de tuyaux soudé. Le dispositif de chauffage peut infrarouge et peut également utiliser de fines feuilles estampées. Si un manchon thermorétractable est utilisé, le dispositif de commande peut activer les zones de chauffage depuis le centre de la soudure vers l'extérieur afin d'éliminer les poches d'air. Le diamètre de l'intérieur du cadre peut changer le long du cadre.
Brandon Mark Phillip
Tacoma Emerson John
Tailor Dilip Kumar
Ridout & Maybee Llp
Shawcor Ltd.
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