Work roll with dulled surface having geometrically patterned une

Details Work roll with dulled surface having geometrically patterned une Work roll with dulled surface having geometrically patterned une

1987-07-13

1989-06-27

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291211, 29130, 29132, B21B 100

Patent

active

048416118

ABSTRACT:
A work roll has a regularly and geometrically patterned uneven dulled section on the roll surface. Eavh uneven dulled section is composed of a crest and concavity and is of crater-like configuration. In order to obtain good performance in temper rolling, the crest is in a form of an annular ring extending around the edge of the concavity. According to the invention, pattern of arrangement of the uneven dulled sections is determined in relation to the diameter of the ring-shaped crests of the uneven dulled section so as to obtain optimum performance in producing good quality, exhibiting substantially high image clarify as coated by paint, enamel or so forth.

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patent: 4609577 (1986-09-01), Long
patent: 4628179 (1986-12-01), Crahay
patent: 4697320 (1987-10-01), Ishihara et al.
patent: 4727740 (1988-03-01), Yabuki et al.

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