Rolling apparatus and method of making product of...

Details Rolling apparatus and method of making product of... Rolling apparatus and method of making product of...

2004-05-18

2008-09-09

Tolan, Edward (Department: 3725)

Metal deforming

By use of 'flying tool' engaging moving work

Including orbitally-moving tool-face

C072S252500

Reexamination Certificate

active

07421873

ABSTRACT:
A rolling apparatus including a first work roll and a second work roll cooperative with the first work roll for rolling a metal blank plate to manufacture a metal product of miscellaneous cross section including a plate portion having one side in the form of a flat surface and a plurality of ridges projecting upright from the other side of the plate portion integrally therewith and spaced from one another. The first work roll has a plurality of ridge forming annular grooves formed in the peripheral surface thereof over the entire circumference of the surface and arranged at a spacing axially of the first work roll. The two work rolls are rotated so that the peripheral speed of the bottom face of the deepest of all the ridge forming annular grooves in the first work roll is not less than the peripheral speed of the peripheral surface of the second work roll.

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patent: 6604457 (2003-08-01), Klug
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patent: 6739167 (2004-05-01), Kobayashi et al.
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patent: 1 114 681 (2001-07-01), None

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