Patents by Inventor Andre Allard

Andre Allard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heated variable crown roll
    Patent number: 4679287
    Abstract: A controlled deflection roll for operating at a predetermined heated temperature including a roll shell rotatably journalled on a shaft with the roll shell supported along its length on a piston in a chamber in the shaft and support oil delivered beneath the piston and passing into pockets on the outer surface of the piston to support the roll shell, heated oil delivered to the spaced between the shaft and roll shell, and an annular chamber of insulating oil at the ends of the roll shell between the shell and the end bearings.
    Type: Grant
    Filed: October 4, 1984
    Date of Patent: July 14, 1987
    Assignee: Beloit Corporation
    Inventor: Andre Allard