Process for laying a nonwoven or the like, and nonwoven laying device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Sep 29, 1992
filing date -
Mar 30, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nonwoven laying device has at least two reciprocating carriages accelerated at the reversal points of their moving path. The device has an upper carriage and a laying carriage, and at least two circulating conveyer belts guided by guide rollers of the carriages, namely a main conveyer belt and a guiding conveyer belt. An electronic control regulates the moving process of the belts. The laying of the nonwoven fabric is effected with a possible stretching of the web. The speed relationship between the speed V.sub.O of the upper carriage and the speed V.sub.L of the laying carriage is set differently in dependence of the positive or negative stretching.
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