Dispenser for flexible sheet material and a perforating mechanis

Details Dispenser for flexible sheet material and a perforating mechanis Dispenser for flexible sheet material and a perforating mechanis

1974-09-30

1976-07-20

Meister, J. M.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

225106, 83334, 83337, 83660, 83678, B26F 302

Patent

active

RE0289116

ABSTRACT:
A mechanism for perforating a web of flexible sheet material which is adapted to be used in a flexible sheet material dispenser, said mechanism comprising; a rotatably mounted roller, a rotatably mounted knife positioned adjacent the roller and having a radially outward portion defining a cutting edge for perforating the web as the web passes between the roller and the knife, the roller being operatively connected to the knife for synchronous rotation therewith and having a slot therein for receiving the radially outward knife portion as the knife rotates past the roller, and means associated with the knife for orienting the cutting edge substantially in the direction in which the radially outward knife portion moves with respect to the web during the entrance of the portion into the slot so that when the portion enters the slot the cutting edge will effectively perforate the web.

REFERENCES:
patent: 778006 (1904-12-01), Brooks
patent: 1133640 (1915-03-01), Hamilton
patent: 1449062 (1923-03-01), Schroeder
patent: 1467481 (1923-09-01), Juline
patent: 2278029 (1942-03-01), Walsh et al.
patent: 3106859 (1963-10-01), Huffman
patent: 3221586 (1965-12-01), Bahnsen

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