Patent ID: 6041632
Filing Date: 2000-03-28
Classification: B21B,B21C,B22C,B22D,C21D

Abstract:
A forming stand comprising upper and lower forming rolls supported by substantially horizontally disposed upper and lower shafts, said forming rolls having space between them to provide a passageway for moving skelp between them for formation into a pipe, whereina. each said forming roll has first and second spaced-apart portions with adjustment space between them, wherein said first portion is fixedly fitted to one portion of said shaft associated thereto and said second portion of said forming roll is slidably fitted on said shaft for rotational and axial displacement thereon; and whereinb. a sleeve is fitted slidably to the other end of said associated shaft and to said second portion of said forming roll;c. a first bearing box is positioned for supporting one end of said associated shaft;d. a spaced-apart second bearing box is positioned for supporting the other end side of said associated shaft through said sleeve;e. upper and lower stand supporting frames are connected for supporting both of said bearing boxes in a manner for axial and rotational movement; andf. supporting columns are connected for supporting said stand supporting frames;g. wherein each of said first and second bearing boxes are adapted for simultaneous and symmetrical axial displacement for adjustment of each of said first and second roll portions with respect to each other.