Severing by tearing or breaking – Methods – With preliminary weakening
Patent
1993-10-14
1994-12-27
Peterson, Kenneth E.
Severing by tearing or breaking
Methods
With preliminary weakening
225 26, 225 51, 225106, B26F 302
Patent
active
053757521
ABSTRACT:
Linerless labels are manually dispensed by mounting a roll of the labels for take-off from a stationary shaft. A polygon-cross-section foam core is provided between the shaft and the label roll to provide a brake drag effect to prevent excess label unwind. The non-adhesive face of the labels passes from the roll around a freely rotating guide roller with a non-stick surface which ensures consistent wrap of the labels and no scuffing of the non-adhesive face as the labels are dispensed. The labels pass from the guide roller to a tear surface having a first smooth, coarse, ribbed or grooved pattern metal portion which has low adhesion to the adhesive of the labels, but will stick to the labels sufficiently to provide an anchoring force to a label greater than the force necessary to tear along a perforation of the label, and a second non-stick surface portion. The tear surface preferably is the exterior surface of the a cylinder or tube, and the non-stick surface is provided by a plasma coating on a portion of the metal cylinder or tube exterior surface.
REFERENCES:
patent: 4402424 (1983-09-01), Mattix
patent: 4570868 (1986-02-01), Wiggs et al.
patent: 4608110 (1986-08-01), Smith
Moore Business Forms Inc.
Peterson Kenneth E.
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