Method for manufacturing open cell rubber material and...

Details Method for manufacturing open cell rubber material and... Method for manufacturing open cell rubber material and...

2008-06-10

2008-06-10

Maki, Steven D (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S153000, C156S294000

Reexamination Certificate

active

07384490

ABSTRACT:
The object is to provide a manufacturing method of various elastic rollers whose rubber hardness is remarkably reduced.A hollow cylindrical rubber tube (1) is prepared. Thereafter, a metal shaft (2) is inserted in the rubber tube and the rubber tube is secured to the shaft. Thereafter, a coating layer (1a) on the outer peripheral surface of the rubber tube is removed. The rubber roller is located in a chamber and is subject to one or more pressuring operations and one or more evacuating operations to transform the continuous cell rubber layer into an open cell rubber layer. After that, a fluororesin tube is provided to cover the rubber tube or silicone oil is impregnated in the rubber tube, in accordance with the purpose of use of the rubber roller. The rubber rollers produced by the manufacturing method of the rubber roller according to the present invention is deformable at each portion of the rubber layer thereof, depending on the external stress and, accordingly, various kinds of rubber rollers having a reduced hardness can be provided.

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patent: 5705115 (1998-01-01), Haruno
patent: 2002/0028736 (2002-03-01), Kishino et al.
patent: 2005/0261387 (2005-11-01), Stevenson et al.
patent: 59-096924 (1984-06-01), None
patent: 02-188233 (1990-07-01), None
patent: 08-076627 (1996-03-01), None
patent: 10-204205 (1998-08-01), None

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