Tearing-off roller pair

Details Tearing-off roller pair Tearing-off roller pair

1995-02-07

1997-07-15

Rada, Rinaldi I.

Severing by tearing or breaking

Breaking or tearing apparatus

Web restrainer

225100, 493425, 493432, B65H 3510, B65B 4110

Patent

active

056475241

ABSTRACT:
A tearing-off roller pair, for tearing off sections or strips divided by perforation cuts from a material web, consists of a first roller with a substantially smooth steel shell and, applied against it, a second roller with a resilient body set into it for increasing the contact pressure, which resilient body projects above its peripheral surface in its unstressed state. To allow a greater retaining force to be exerted on the sections to be torn off, several of the resilient bodies are set in a recess along a cylindrical surface of the second roller.

REFERENCES:
patent: 1784757 (1930-12-01), Scott
patent: 1978136 (1934-10-01), Kavle
patent: 2088118 (1937-07-01), Schillo
patent: 2450312 (1948-09-01), Tollison
patent: 4095780 (1978-06-01), Gaspar et al.
patent: 5111725 (1992-05-01), Simpson et al.
patent: 5312032 (1994-05-01), Rautenberg et al.

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