Giuding of a cut-open parison
First Claim
1. A device for partitioning a plastic parison to give at least one semifinished open-surface product, using at least one means of partitioning the plastic parison, wherein the device comprises at least one means of drive.
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Accused Products
Abstract
The invention relates to a device for partitioning the plastic parisons to give at least one semifinished open-surface product (6), where the device encompasses at least one means of partitioning (3) the plastic parison and one means of drive (2). The means of drive may be composed of one, but preferably of two, driven rolls. It has been found that use of the device of the invention can reduce or prevent the production of creasing and irregularity at the margins, i.e. at the cut edges, of the partitioned parisons, i.e. of the resultant semifinished sheets.
20 Citations
24 Claims
- 1. A device for partitioning a plastic parison to give at least one semifinished open-surface product, using at least one means of partitioning the plastic parison, wherein the device comprises at least one means of drive.
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9. (canceled)
- 13. A process comprising partitioning an extruded or coextruded plastic parison to give at least one semifinished open-surface product, with a device comprising at least one means of partitioning a plastic parison, wherein the device comprises at least one means of drive.
Specification