Cutting – With randomly actuated stopping means – Responsive to tool detector or work-feed-means detector
Patent
1990-12-24
1992-06-30
Rosenbaum, Mark
Cutting
With randomly actuated stopping means
Responsive to tool detector or work-feed-means detector
83342, 83343, 83371, 83672, 83699, B23D 2506, B26D 162
Patent
active
051253020
ABSTRACT:
A machine is described for perforating webs of material, such as toilet paper. The machine includes a cylinder (17) mounted on the frame of the machine and around which cylinder the web is carried as the web passes through the machine. The cylinder has a plurality of blades, one edge of each extending beyond the surface of the cylinder and parallel to the axis of the cylinder. A support (21) for a cooperating blade (33) is pivotally mounted on the machine in a manner which permits the cooperating blade (33) to move toward and away from the blades in the cylinder (17). The cooperating blade (33) extends at an angle to the axis of the cylinder and consists of a plurality of segments, each of which is supported in a block (25) which fits into seats in the support. The seats extend in a line parallel to the cylinder axis.
REFERENCES:
patent: 3190163 (1965-06-01), Bradley
patent: 3264921 (1966-08-01), Nystrand
patent: 3750510 (1973-08-01), Gabriels
patent: 3935774 (1976-02-01), Craddy
patent: 4782678 (1988-11-01), Reimschissel
patent: 4813320 (1989-03-01), Malloy et al.
Bouda Francis J.
Fabio Perini S.p.A.
Peterson Kenneth E.
Rosenbaum Mark
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