Fiber processing roll having a helical sawtooth clothing

Details Fiber processing roll having a helical sawtooth clothing Fiber processing roll having a helical sawtooth clothing

1991-06-13

1993-02-16

Nerbun, Peter

Textiles: fiber preparation

Working

Carding

29895211, D01G 1584

Patent

active

051859050

ABSTRACT:
A fiber processing roll includes a groove provided in a roll surface helically about a longitudinal roll axis. The groove has at least one side wall which is inclined to a radius of the roll that extends to the inclined side wall. The groove has a top opening and a bottom; and the top opening has a width measured parallel to the axis and being greater than the width of the bottom. The fiber processing roll further has a sawtooth wire extending helically about the axis and forming a clothing on the roll. The sawtooth wire has a base rib received in the groove. The base rib has side walls and a bottom end face. One of the side walls of the base rib is inclined to the roll radius. The width of the base rib measured parallel to the axis decreases toward and is the smallest at the bottom end face of the base rib.

REFERENCES:
patent: 4270254 (1981-06-01), Bergloff et al.
patent: 4301572 (1981-11-01), Miyamoto
patent: 4862688 (1989-09-01), Schmolke
patent: 5008979 (1991-04-01), Palm et al.

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