Felting coiled sleeve and method for preparing the same

Details Felting coiled sleeve and method for preparing the same Felting coiled sleeve and method for preparing the same

1991-10-04

1993-08-10

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156189, 156193, B65H 8100, B31C 1300

Patent

active

052345181

ABSTRACT:
A felting coiled sleeve has closely fibrous structure and a substantially cylindric shape. The sleeve is put on a body of roller suitable for carrying an aluminum extruded shape or a surface treating steel sheet. The sleeve is prepared by attaching reinforcing thread with straight stitches along one longitudinal side of a felting strip by sewing and curving moderately the strip in a horizontal plane simultaneously. Then the curved strip is bent into a helical shape through a pair of conical rollers, winding the strip tightly round a shaft of a device for obtaining sleeve, applying pressure on one side face of the wound strip, fixing the compressed strip in the cylindric shape, and smoothing the outer surface of the coil.

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patent: 5009943 (1991-04-01), Stahl
patent: 5055242 (1991-10-01), Vane
patent: 5071687 (1991-12-01), Shigetoh

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