×

Heated rollers

  • US 5,760,375 A
  • Filed: 10/08/1996
  • Issued: 06/02/1998
  • Est. Priority Date: 10/08/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. In a heated roller having an axis of rotation, a generally-cylindrical outer shell, a primary heating coil between the shell and the axis of rotation and radially spaced from the axis of rotation and a head at the end of the shell, the improvement wherein:

  • the head has an integral roller support shaft protruding therefrom, a cylindrical boss supporting the end of the shell and a helix groove around the boss;

    an auxiliary heating coil is in the groove and is confined between the boss and the shell end,whereby the end of the roller may be temperature-controlled independently of the shell temperature.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×