Method for producing a plastic sheet

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 55/16 (2006.01) B29C 55/06 (2006.01) B29C 55/08 (2006.01) B29C 55/28 (2006.01)

Patent

CA 2515861

The invention relates to a method for producing a stretched plastic sheet on the basis of polyolefins and polyamide that are produced in an extrusion or coextrusion blowing process. The sheet is first biaxally stretched during blowing and is then stretched a second time in an additional step.

L'invention concerne un procédé de production d'une feuille de matière plastique étirée à partir de polyoléfines et/ou de combinaisons de polyoléfines et de polyamide, qui sont produites par un procédé d'extrusion-soufflage ou de coextrusion-soufflage. Selon ce procédé, un premier étirage est effectué biaxialement pendant le procédé de soufflage et est suivi d'un autre étirage.

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