Heated rollers

Details Heated rollers Heated rollers

1996-10-08

1998-06-02

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

399334, 432 60, 492 46, G06G 1520

Patent

active

057603758

ABSTRACT:
The disclosure involves a heated roller having a generally-cylindrical outer shell, a primary heating coil between the shell and a roller head at the end of the shell. In the improvement, the head includes an independently-controlled (or controllable) auxiliary heating coil so that the end of the roller may be temperature-controlled independently of the shell. The user may thereby "tailor" the temperature profile of the roller to suit a wide variety of applications. In specific embodiments, the auxiliary coil has the same or differing pitch along its length and/or the cable from which the coil is made has the same or differing wattage output per unit of cable length. A heating roller in combination with a transfer cylinder for a heat transfer decorating system is also disclosed.

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Krones "Thermocol--Heat Transfer Container Decorating"-Krones, Inc., Franklin, Wisconsin. Feb., 1996.
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Tokuden "The First Heated Roll to Offer Cruise Control" Product Brochure, Tokuden, Inc., Kyoto, Japan, Est. Dec., 1995.

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