Precarding cylinders and adjustable knife and carding units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 28, 1992
Grant Date -
N/A
app pub date -
Sep 27, 1990
filing date -
Sep 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a carding apparatus for fibrous material, of the type in which the staple fibres are fed by a feed roller to an introduction roller of a carding machine and are subjected to preliminary opening and impurity removal, at least one carding unit is provided along the path between the introduction cylinder and the carding cylinder. The carding unit comprises a removal knife at its inlet, a guide blade for the fibres at its exit, and a carding surface extending therebetween. The carding unit is position-adjustable in directions circumferential and radial to the introduction cylinder. The knife and blade can be adjusted independently in a prevalently radial direction to the introduction cylinder. Preferably two individually adjustable carding units are provided. Between the carding unit or units and the carding cylinder there is provided a mixing and homogenizing carding cylinder.
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