Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1988-12-12
1990-03-27
Eley, Timothy V.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
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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Hurtubis Edward F.
Lioy Daniel C.
Schickler Edward R.
Childress G. Herman
Eastman Kodak Company
Eley Timothy V.
Vo Peter D. B.
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