Apparatus for imparting protusions and recesses and product

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7241126
APP PUB NO 20040091563A1
SERIAL NO

10415599

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Abstract

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An apparatus imparts concaves/convexes to a sheet-like object by passing the sheet-like object between a pair of rollers facing each other. At least one of the rollers is a roller a surface of which is formed by laminating a single or a plurality of circular plates each provided with concaves/convexes at a peripheral edge thereof. An interval keeping mechanism is provided between the circular plates provided with concaves/convexes at the peripheral edges. At least one of the rollers is formed with a roller surface by laminating a single or a plurality of circular plates each having only convexes of concaves/convexes portions at a peripheral edge thereof. By the roller, convexes can be imparted to one face of front and back surfaces of a sheet-like object.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saito, Koji Kobe-shi, Hyogo, JP 198 1240
Saito, Takao Kobe-shi, Hyogo, JP 132 1105

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