Knife cylinder for working weblike material

Details Knife cylinder for working weblike material Knife cylinder for working weblike material

1984-01-30

1986-06-17

Watts, Douglas D.

Cutting

Tool or tool with support

Joint or connection

144218, 144230, 407 43, 409217, B26D 100

Patent

active

045949280

ABSTRACT:
An apparatus for rapidly changing a plurality of knives secured within a knife cylinder of a paper cutting or perforating machine includes a pressure generator for pressurizing a plurality of pressure cylinders which actuate a force transmission mechanism for bracing the knives securely within the knive cylinder. A pressure conduit system includes a device for admitting a pressure medium into the system and a device for bleeding the system. A biasing mechanism is provided to maintain pressure within the conduit system.

REFERENCES:
patent: 4187753 (1980-02-01), Walde
patent: 4220186 (1980-09-01), Sybentz
patent: 4409721 (1983-10-01), Tomita et al.

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