Elastic belt for papermaking calender

Details Elastic belt for papermaking calender Elastic belt for papermaking calender

2005-02-22

2005-02-22

Morris, Terrel (Department: 1771)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S314400, C428S314800, C428S212000, C428S217000

Reexamination Certificate

active

06858291

ABSTRACT:
To address the conflict between structural strength and flexibility in a conventional elastic belt for a papermaking calender, and to reduce manufacturing time, a belt in which the paper sheet-facing side of a base body side is covered by a high molecular weight elastic layer, is characterized in that the high molecular weight elastic layer is composed of a dense, first high molecular weight elastic layer and a second, high molecular weight elastic layer having a multitude of small voids of almost the same size. Flexibility of the layer having small voids is achieved while the dense surface layer is adapted to the ruggedness of the paper sheet.

REFERENCES:
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patent: 5549968 (1996-08-01), Byers et al.
patent: 5836242 (1998-11-01), Aberg
patent: 6331231 (2001-12-01), Inoue
patent: 6455606 (2002-09-01), Kaku et al.
patent: 6616814 (2003-09-01), Best
patent: 60-88193 (1985-05-01), None
patent: 10-501852 (1998-02-01), None

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