System for the manufacturing of integrated sockets in...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 49/16 (2006.01) B29C 49/30 (2006.01) B29C 55/26 (2006.01) B29D 23/00 (2006.01)

Patent

CA 2667835

The equipment consists of a mould (1) with external heating elements (3) and with asymmetric heads (4) at the ends thereof, allowing insertion of the corresponding tubular profile or plastic tube (6) inside the already hot mould (1) at the same temperature as the actual mould (1) in order to prevent any heat exchange. The mould (1) is mounted on a support (2) that can tilt and rotate, whilst the heads (4) include a vacuum take-off orifice (5), fastening means (7) for the plastic tube (6), which, once inserted into the mould (1) rests on the lower generatrix of the latter, and inlet (8) and outlet (9) means for fluids for expanding the plastic tube (6) and for cooling same, the mould (1) incorporating, on the side, an inlet orifice for a lubricating fluid that facilitates removal of the plastic tube (1) once the latter has been shaped. The tube (6) expands owing to the introduction of the expander fluid through the inlet (8).

La présente invention concerne un équipement constitué d'un moule (1) présentant des éléments chauffants externes (3) et des embouts asymétriques (4) à ses extrémités, qui permettent d'introduire le profilé tubulaire ou tube en plastique correspondant (6) à l'intérieur du moule (1) déjà chaud, à la même température que le moule (1) lui-même, afin d'éviter des échanges de chaleur. Selon cette invention, le moule (1) est monté sur un support (2) de manière à pouvoir pivoter et tourner, les embouts (4) comprennent un orifice de prise d'air (5), des moyens de fixation (7) pour le tube en plastique (6) qui, une fois introduit dans le moule (1), reste en appui sur la génératrice inférieur de celui-ci, ainsi que des moyens d'entrée (8) et de sortie (9) pour des fluides d'expansion et de refroidissement du tube en plastique (6), et le moule (1) présente latéralement un orifice d'entrée pour un fluide lubrifiant qui facilite le retrait du tube en plastique (1) une fois que celui-ci est conforme. Le tube (6) se dilate grâce à l'introduction du fluide d'expansion par l'entrée (8).

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