Edge embossing device

Details Edge embossing device Edge embossing device

1978-11-28

1980-11-18

Lieberman, Paul

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

264284, B29C 1500

Patent

active

042343003

ABSTRACT:
An embossing device for roughening a lateral edge of a molded thermo-plastic sheet material by deforming it with a mechanical deforming device is disclosed. The device comprises a pair of rollers whose outer walls are rough and a structure for abutting these rollers against each other under pressure. The rough outer wall of at least one of the pair of rollers having a rough surface is provided with a plurality of relatively smooth stripes. The stripes are arranged in the width-wise direction of said roller.

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patent: 197181 (1877-11-01), Steinlein et al.
patent: 822536 (1906-06-01), Mills
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patent: 1520602 (1924-12-01), Schmid
patent: 1946838 (1934-02-01), Cofrin
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patent: 2857825 (1958-10-01), Duncan et al.
patent: 3226280 (1965-12-01), Muller
patent: 3502765 (1970-03-01), Spencer
patent: 4021179 (1977-05-01), Pira et al.

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