A process for finishing the surface of a roller

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator

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B21B 2702

Patent

active

049108433

ABSTRACT:
A stainless steel roller for conveying a web has a surface prepared by blasting the surface of the roller with steel shot to create on the surface a deep texture with well rounded down features and sharp up features with peaks. The blasted surface is finished with a grinding action for removing the peaks to produce plateaus surrounded by interconnected channels. The interconnected channels of the surface allow air entrained between the roller surface and a web to be vented through the channels while the web is in contact with the roller.

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