Apparatus for and method of moving a slider along mating...

B - Operations – Transporting – 31 – B

Patent

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B31B 1/74 (2006.01) A44B 19/62 (2006.01) B31B 1/90 (2006.01) B31B 27/74 (2006.01) B31B 49/04 (2006.01)

Patent

CA 2558418

A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating zipper elements and contacts the film as the film moves in the film path at a speed equal to the speed of rotation of the roller. The projection rotates about an axis at a speed different than the rotational speed of the roller, with the projection rotating into proximity to the moving film along predetermined lengths of the film so as to be contactable with sliders mounted thereon. The projection comes into contact with sliders positioned along the mating zipper elements of the predetermined lengths of film and pushes those sliders along the mating zipper elements to respective registered positions.

L'invention concerne un appareil de fabrication comprenant une molette et une projection, qui sert à déplacer des curseurs pour ouvrir ou fermer des éléments de fermeture à glissières conjugués. La molette tourne autour d'un axe sensiblement perpendiculaire à un chemin d'un film comprenant les éléments de fermeture à glissières conjugués, et entre en contact avec le film lorsque ce dernier se déplace dans le chemin du film à une vitesse égale à la vitesse de rotation de la molette. La projection tourne autour d'un axe à une vitesse différente de la vitesse de rotation de la molette, à proximité du film en mouvement, sur des longueurs préétablies du film, de façon à pouvoir entrer en contact avec les curseurs montés dessus. La projection vient au contact des curseurs placés le long des éléments de fermeture à glissières conjugués des longueurs préétablies du film, et pousse ces curseurs en même temps que les éléments de fermeture à glissières conjugués vers des positions respectives prévues.

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