Calender gap control

Details Calender gap control Calender gap control

2011-03-01

2011-03-01

Wollschlager, Jeffrey (Department: 1742)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Positioning of a mold part to form a cavity or controlling...

C264S040100, C264S175000, C264S280000, C425S141000, C425S193000, C425S194000, C425S363000, C425S367000

Reexamination Certificate

active

07897075

ABSTRACT:
A method and apparatus for a calendering system is provided to allow for fine gauge adjustment of the product. The calender system has a first and second roller each having a first and second end mounted in opposed end supports. The end supports each have an inlet and an outlet in fluid communication with one or more internal passages, wherein a heat transfer medium may be circulated through the one or more internal passages. The heat transfer medium may either heat or cool the internal passages of the end supports, resulting in the respective increase or decrease in the gauge of the product.

REFERENCES:
patent: 2424856 (1947-07-01), Schnuck
patent: 2933760 (1960-04-01), Von der Heide
patent: 3201962 (1965-08-01), Hautau
patent: 4734229 (1988-03-01), Johnson et al.
patent: 4757582 (1988-07-01), Verkasalo
patent: 5123150 (1992-06-01), Schiel
patent: 6261487 (2001-07-01), Bongaerts et al.

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