Method and apparatus for forming convolute foam package

Details Method and apparatus for forming convolute foam package Method and apparatus for forming convolute foam package

1976-01-29

1978-08-29

Mautz, George F.

Package making

With contents treating

Reshaping

100 86, 242 568, 242 65, B65B 4900, B65H 1706, B65B 6304

Patent

active

041094433

ABSTRACT:
A method and apparatus for forming a convolute package of flexible foam sheet material which is highly compact to facilitate shipment and storage, and which has substantially uniform layer to layer compression. Further, the material in the package is dimensionally stable upon the unwinding of the package to permit the immediate use thereof, such as die stamping components of predetermined size therefrom. The package is produced by directing an advancing web into a nip formed between a take-up roller and a supporting roller and convolutely winding the web upon the take-up roller. The web is introduced onto the periphery of the package at the nip, and the package radius at the nip is maintained so as to be less than the radius of the remaining periphery of the package. In addition, the distance between the take-up roller and supporting roller is increased by a predetermined amount upon each rotation of the package to thereby achieve a substantially uniform layer to layer compression.

REFERENCES:
patent: 2503041 (1950-04-01), Greene
patent: 3927504 (1975-12-01), Forrister

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