Patents Assigned to Polrotor Inc.
  • Method and apparatus for pile fabric finishing with a plurality of electrifier cylinders
    Patent number: 3997947
    Abstract: A plurality of electrifier cylinders are arranged in tandem along the conveyance path of a synthetic pile fabric. Each cylinder is provided with surface grooves in opposite directions in order to introduce a bias of different directions to the individual fibers being treated. Individual speed and temperature controls are provided for these cylinders to effect a wide range of treatments.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: December 21, 1976
    Assignee: Polrotor Inc.
    Inventor: Heinz Hergert
  • Method for conveying patterned pile fabrics
    Patent number: 3997946
    Abstract: A method of conveying pile fabrics, wherein portions of the fabric are selectively presented to the processing equipment in order to process the various portions differently. In carrying out the processing, the fabric is conveyed along a path adjacent to the processing units, which path is defined by separately controlling the distance of the fabric from two separate axes that are parallel to each other and transverse to the direction of fabric conveyance.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: December 21, 1976
    Assignee: Polrotor Inc.
    Inventor: Heinz Hergert