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

B - Operations, Transporting

65

D

156/34, 242/44

B65D 85/672 (2006.01) B65B 63/02 (2006.01) B65D 85/16 (2006.01)

Patent

CA 1060417

Abstract of the Disclosure A method and apparatus for forming a convolute package of flexible foam sheet material which is highly compact to facili- tate 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 sub- stantially uniform layer to layer compression.

264056

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