Methods for manufacturing a paint roller with grooved substrate

Details Methods for manufacturing a paint roller with grooved substrate Methods for manufacturing a paint roller with grooved substrate

2008-06-26

2010-06-15

Aftergut, Jeff H (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S190000, C156S191000, C156S195000, C156S256000, C156S257000, C156S199000, C156S209000

Reexamination Certificate

active

07736455

ABSTRACT:
A method for improving strength of the finished product in paint roller manufacturing processes and other continuous processes for producing tubular goods from polymers. The method utilizes a substrate such as a polypropylene strip with grooves on its surface. The grooved substrate is fed onto a mandrel to form a tube. Adhesive is applied upon the grooved surface of the grooved substrate. A cover may be applied about the tube, and the resulting product is then cut into finished-size paint rollers. The hardened adhesive in the grooves may operate to reduce the hoop-force which would otherwise tend to unwind the wound substrate. The method in certain embodiments provides a reduction in cost and weight of the finished product.

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