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

F - Mech Eng,Light,Heat,Weapons

16

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F16F 7/12 (2006.01) B31C 99/00 (2009.01) B29C 53/56 (2006.01) B65H 81/00 (2006.01)

Patent

CA 2052717

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 sur- face 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, wind- ing 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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