Transport device for a continuous moving sheet, in particular stretching device for a plastic film webs
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United States of America Patent
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May 12, 1998
Grant Date -
N/A
app pub date -
Nov 20, 1996
filing date -
Mar 21, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved transport device for a moving material web, in particular a stretching system for plastic film webs which is in particular suitable for high circulating speeds, is distinguished by the fact that a guide rail system (3) comprising at least one guide rail (3', 3') and along which tenter elements (1) can be moved by means of a linear motor drive (5), is integrally incorporated in the relevant linear motor (5', 5'). The respective tenter element (1) is supported with respect to the guide rail system (3) by means of a sliding bearing or a combined sliding and roller bearing.
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