Shoe press belt

Details Shoe press belt Shoe press belt

2011-04-12

2011-04-12

Hug, Eric (Department: 1741)

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

C162S901000

Reexamination Certificate

active

07922869

ABSTRACT:
A shoe press belt for a paper machine includes a substrate and a polyurethane resin impregnated to laminate on the surfaces of both the shoe side and the felt side thereof, and is excellent in abrasion resistance, crack resistance and processability. A polyurethane resin is produced by using a combination of two kinds of diisocyanates, that is, tolylene diisocyanate (TDI) and diphenylmethane diisocyanate (MDI) as starting materials.

REFERENCES:
patent: 2004/0029474 (2004-02-01), Watanabe et al.
patent: 2006/0191658 (2006-08-01), Watanabe et al.
patent: 1 338 696 (2003-08-01), None
patent: 1338696 (2003-08-01), None
International Search Report mailed Dec. 21, 2006 in International Application PCT/JP2006/319811.

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