Fold roller

Details Fold roller Fold roller

1991-03-01

1992-07-14

Kisliuk, Bruce M.

Manufacturing container or tube from paper; or other manufacturi

Tool or tool support

Rotary

493442, 493454, 493419, 291211, 291215, 291216, 29132, B65H 4516, B65H 4514

Patent

active

051298767

ABSTRACT:
A paper folding machine is improved by grooving the fold rollers. Grooves in the fold rollers extend along a curved path, from one end of the roller and terminating adjacent to the center of the roller. Complementary grooves extend from the opposite end of the roller towards the center of the roller. The surface of the roller is rubber or the like, and has a durometer hardness in the range of 65 to 72 Shore A. The grooves are shallow enough that the paper is not crimped or wrinkled by the grooves.

REFERENCES:
patent: 3339818 (1967-09-01), Morrow
patent: 4353296 (1982-10-01), Beucker
patent: 4375971 (1983-03-01), Moll

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