Rotary embossing machine

Details Rotary embossing machine Rotary embossing machine

1995-12-07

1997-03-18

Burr, Edgar S.

Printing

Embossing or penetrating

Rolling-contact machines

101 25, 101DIG42, 101225, 101228, 2424193, B31F 107

Patent

active

056112726

ABSTRACT:
A rotary embossing machine includes an embossing mechanism in which an embossing gap is formed between an embossing cylinder and a counter pressure cylinder. For conveying an embossing film web through the embossing gap, the rotary embossing machine includes a conveying mechanism for producing a movement of the web at the same speed as a material layer to be embossed, during an embossing interval. The film conveying mechanism includes a pulling device downstream of the embossing gap which is provided with a slip drive for the embossing film web and a controllable film supply device upstream of the embossing gap which cooperates with the pulling device. This arrangement avoids the risk of the embossing films or foils tearing and improves the embossing quality.

REFERENCES:
patent: 3880076 (1975-04-01), Black et al.
patent: 4218026 (1980-08-01), Stange
patent: 4253597 (1981-03-01), Waffner
patent: 5109767 (1992-05-01), Nyfeler et al.

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