Second-fold rollers for a folding device

Details Second-fold rollers for a folding device Second-fold rollers for a folding device

1987-03-17

1988-11-01

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

493434, 493445, 493471, 493473, B65H 4516

Patent

active

047816678

ABSTRACT:
The present invention relates to second-fold rollers for a folding device adapted for cutting and folding superposed paper webs into a folded section of superposed sheets. The second-fold rollers are arranged in a pair in parallel each other, at least one of which is provided with at least one of non-contact section so formed as to prevent from contacting with the rear corners of the paper sheet to be passed between these second-fold rollers. The non-contact section is a recess partially formed in its cylindrical surface near each end of the second-fold roller.

REFERENCES:
patent: 594245 (1897-11-01), Gill
patent: 2536165 (1951-01-01), Foster
patent: 3576051 (1971-04-01), Click
patent: 4493690 (1985-01-01), Niemiro et al.

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