Paper-feeding roller

Details Paper-feeding roller Paper-feeding roller

2005-09-09

2008-11-11

Mackey, Patrick H (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C492S056000, C492S049000

Reexamination Certificate

active

07448610

ABSTRACT:
A paper-feeding roller (3) including a core (2) and a rubber roll (1) mounted on a peripheral surface of the core (2). The rubber roll (1) has a three-layer construction composed of an inner layer (11), an intermediate layer (12), and an outer layer (13). The inner layer (11), the intermediate layer (12), and the outer layer (13) are a non-foamed layer respectively. The JIS-A hardness of the inner layer (11) is set to not more than 10 degrees. The JIS-A hardness of the outer layer (13) is set to a range of 25 to 60 degrees.

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patent: 6945921 (2005-09-01), Sirejacob
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patent: 2002/0145247 (2002-10-01), Matsuo et al.
patent: 2001-341862 (2001-12-01), None
patent: 2002-48130 (2002-02-01), None
patent: 2002-347972 (2002-12-01), None

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