Method and apparatus for forming an extrusion

Details Method and apparatus for forming an extrusion Method and apparatus for forming an extrusion

B - Operations, Transporting

29

C

B29C 47/56 (2006.01) B29C 47/06 (2006.01) B29C 47/12 (2006.01) B60J 10/00 (2006.01)

Patent

CA 2443000

A method of forming an extrusion comprises passing a first, plastics material (12) through a first channel (104) in a die, passing a second, plastics material (14) through a second channel (112) in the die, and passing a third, plastics material (16) through a third channel (314) in the die. At least one of the materials is passed through a metering gap into contact with the other materials to cause the at least one material to bond with the other materials as the materials pass through the die.

L'invention concerne un procédé d'extrusion consistant à faire passer un premier matériau plastique (12) au travers d'un premier canal (104) dans un moule, à faire passer un deuxième matériau plastique (14) au travers d'un deuxième canal (112) dans le moule, et à faire passer un troisième matériau plastique (16) au travers d'un troisième canal (314) dans le moule. Un moins un desdits matériau est passé au travers d'un espace de dosage en contact avec les autres matériaux de manière à provoquer une liaison dudit ou desdits matériaux avec les autres matériaux lorsque les matériaux traversent le moule.

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