Method and apparatus for compressing a self-supported web
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United States of America Patent
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-
May 2, 1989
Issued Date -
N/A
app pub date -
Jul 16, 1987
filing date -
Feb 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for processing a self-supporting web includes a rotatable mandrel and a stationary block member which defines a recess adjacent the mandrel. The recess is shaped to form a converging chamber between the mandrel and the block member, which converges in the direction of motion of the self-supporting web. A belt is mounted for movement through the chamber and is positioned between the self-supporting web and the block member. The chamber is sized to compress the self-supporting web between the block member and the mandrel, thereby reducing the thickness of the self-supporting web as it passes through the chamber. This apparatus can be used for laminating, liquid removal, or caliper reduction operations on the self-supporting web.
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