Web bursting machine

Details Web bursting machine Web bursting machine

1994-01-03

1995-11-07

Peterson, Kenneth E.

Severing by tearing or breaking

Breaking or tearing apparatus

Work-parting pullers

225 93, B65H 3510

Patent

active

054641420

ABSTRACT:
A web bursting machine is disclosed in which a pair of webs of indefinite length having individual sheets thereon delineated by transverse lines of weakening in the webs are separated therefrom by applying a mementary tension in the webs while drawing the webs over bursting elements while the webs are traveling longitudinally. The webs are fed simultaneously and continuously, but with the sheets of one web offset by one half pitch or sheet length from the sheets of the other so that a sheet is burst from one web or the other with each half pitch of travel of the two webs together, thereby eliminating any down time which would otherwise result from feeding the webs intermittently and stopping one web while the other is being burst.

REFERENCES:
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patent: 4284221 (1981-08-01), Nagel et al.
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patent: 5060838 (1991-10-01), Gergely et al.
patent: 5104104 (1992-04-01), Mol
patent: 5104726 (1992-04-01), Nakamura et al.
patent: 5133615 (1992-07-01), Saito et al.
patent: 5141142 (1992-08-01), Ramsey
patent: 5209809 (1993-05-01), Walter et al.

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