Method for producing an adhesive closing element

Details Method for producing an adhesive closing element Method for producing an adhesive closing element

A - Human Necessities

44

B

A44B 18/00 (2006.01) B29C 43/22 (2006.01)

Patent

CA 2345062

The invention relates to a method for producing an adhesive closing element comprising a plurality of hook elements that form a single piece with a support. Said hook elements are rod-shaped and have enlargements at the ends thereof. A thermoplastic synthetic material is fed into the gap between two moveable tools in a plastic or liquid state. The tools are driven in such a way that a support is formed in the gap and displaced in a direction of conveyance. The hook elements are formed by forming elements acting on said gap. The hook elements are formed on both sides of the support by the forming elements that are active on both sides of the gap.

L'invention concerne un procédé permettant de produire un élément de fermeture comportant une pluralité d'éléments d'accrochage formés d'un seul tenant avec un support (17) et se présentant sous forme de tiges (19) comportant des renflements (21) d'extrémité. Selon ce procédé une matière thermoplastique est acheminée à l'état plastique ou liquide jusqu'à la fente située entre deux outils (5) mobiles. Ces derniers sont entraînés de manière que le support (17) soit formé dans la fente et qu'il soit acheminé dans le sens de transport. Les éléments de conformation qui sont actifs au niveau de la fente permettent de façonner les éléments d'accrochage. Des éléments d'accrochage (19, 21) sont formés sur les deux faces du support (17) à l'aide d'éléments de conformation agissant de part et d'autre de la fente.

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