Apparatus for imparting protusions and recesses and product

Details Apparatus for imparting protusions and recesses and product Apparatus for imparting protusions and recesses and product

2007-07-10

2007-07-10

Mackey, James P. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

C425S302100, C425S363000, C425S471000, C072S204000, C072S252500

Reexamination Certificate

active

10415599

ABSTRACT:
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.

REFERENCES:
patent: 133454 (1872-11-01), Kellogg
patent: 3312583 (1967-04-01), Rochlis
patent: 3541216 (1970-11-01), Rochlis
patent: 3718959 (1973-03-01), Sailas
patent: 3999924 (1976-12-01), Tanaka
patent: 4192050 (1980-03-01), Appenzeller
patent: 4775310 (1988-10-01), Fischer
patent: 5884374 (1999-03-01), Clune
patent: 6099289 (2000-08-01), Jens et al.
patent: 6163939 (2000-12-01), Lacey et al.
patent: 6453711 (2002-09-01), Rhodes et al.

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