Stuffer plug for automotive extrudate

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 44/18 (2006.01) B60J 10/00 (2006.01) B60J 10/08 (2006.01) B62D 65/08 (2006.01)

Patent

CA 2527187

A process and apparatus for insertion of a stuffer plug (18) within a hollow section of a automotive weatherseal extrudate (10) is provided which operates by insertion of a needlelike section (20) of a dispenser unit through a wall of the extrudate into the hollow section. A stuffer plug precursor is then injected or inserted into the hollow section and the needle-like section of the dispenser is removed. The stuffer plug precursor (22) then forms a stuffer plug (18) within the hollow section. Preferably, the stuffer plug is a two part polyurethane which reacts chemically to form a polyurethane foam stuffer plug (18) within the hollow section. An easier method for establishing a stuffer plug (18) within an extrudate (10) is provided.

L'invention concerne un procédé et un appareil permettant d'introduire un bouchon de rembourrage (18) dans une section creuse d'un extrudat (10) d'une bande d'étanchéité d'une automobile. Une section de type aiguille (20) d'un distributeur est introduite à travers une paroi de l'extrudat dans ladite section creuse. Un précurseur de bouchon de rembourrage est alors injecté ou inséré dans la section creuse et la section de type aiguille du distributeur est enlevée. Ledit précurseur (22) forme alors un bouchon de rembourrage (18) dans la section creuse. De préférence, le bouchon de rembourrage (18) est en polyuréthanne bi-composants qui réagit chimiquement de façon à former un bouchon de rembourrage (18) en mousse de polyuréthanne dans la section creuse. L'invention concerne enfin un procédé plus facile de mise en place d'un bouchon de rembourrage (18) dans un extrudat (10).

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