Perforation burst cone device

Details Perforation burst cone device Perforation burst cone device

1982-11-26

1984-06-19

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Work-parting pullers

225 4, B65H 3510

Patent

active

044549733

ABSTRACT:
A bursting apparatus for separating sheets in a continuous intermittently perforated form web is disclosed. The apparatus includes a feed roller, a burst roller and a bursting device, said bursting device disposed between said feed roller and said burst roller and comprising two horizontally positioned cone sections wherein their base portions are adjacent to each other and are encircled at least in part by a bursting ring, said bursting ring having a portion extending beyond said cone base portions in at least a portion of its outer periphery.

REFERENCES:
patent: 2375542 (1945-05-01), Euth
patent: 3135446 (1964-06-01), Sargent
patent: 3146927 (1964-09-01), Peterson
patent: 3672551 (1972-06-01), Peterson
patent: 4261497 (1981-04-01), Roetter et al.

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