WEB STRETCHING DEVICE DISPOSED BETWEEN A CARDING DEVICE AND A CROSS-LAPPER
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Dec 6, 2023
filing date -
Nov 25, 2016
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Abstract
Apparatus for forming a fibre mat including a fibre web-forming device (card), a cross-lapper and a device for drafting the fibre web(s) disposed between the web forming device and cross-lapper to draft the fibre web(s), in particular in a time-varying, specifically periodic manner, to adjust a predetermined desired profile of the fibre mat leaving the cross-lapper, the web-forming device including at least one output belt for at least one web, and preferably two output belts for two webs, an upper and lower web respectively; wherein the cross-lapper has an input belt receiving the web(s) from the output belt(s) of the web forming device, characterised in that the path of the at least one web, and preferably of the two, upper and lower, webs, between the output belt(s) of the web-forming device, in particular the card, and the input belt of the cross-lapper includes at least one bending point.
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