Textiles: fiber preparation – Working – Picking
Patent
1994-09-23
1996-03-05
Calvert, John J.
Textiles: fiber preparation
Working
Picking
D01G 706, D01G 714
Patent
active
054956420
ABSTRACT:
A method of detaching fiber tufts from an upper surface of fiber bales by a detaching device. Each fiber bale has, prior to performing a detaching operation thereon, a height portion defining an upper zone in which a fiber density increases downwardly; a height portion defining a lower zone in which the fiber density decreases downwardly; and a height portion defining a middle zone in which the fiber density is at a maximum, constant value as viewed vertically. The method includes the steps of propelling the detaching device at a travelling speed above the fiber bales in forward and return passes; detaching fiber tufts from the upper bale surface during the passes; periodically displacing the detaching device with a vertical feed as the bales are consumed; advancing the removed fiber tufts to a fiber tuft advancing device; and varying the travelling speed as a function of the decreasing actual height of the fiber bales.
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patent: 5329668 (1994-07-01), Schlichter
Calvert John J.
Tru/ tzschler GmbH & Co. KG
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