Manufacturing container or tube from paper; or other manufacturi – With cutting – breaking – tearing – or abrading – And with bending
Patent
1997-02-07
1998-10-20
Lavinder, Jack W.
Manufacturing container or tube from paper; or other manufacturi
With cutting, breaking, tearing, or abrading
And with bending
493464, 493468, 493402, B31F 100
Patent
active
058239359
ABSTRACT:
A cutting device for effecting a cut in a board-like fibrous material and densifying an area adjacent to the cut, includes a main body portion and a blade portion extending from the main body portion. The blade portion includes a cutting edge having first and second angled surfaces extending divergingly therefrom. A densifying member extends outwardly from at least one of the first and second angled surfaces. The densifying member compresses an area of the material adjacent to the cut as the blade is pressed into the material and densifies the adjacent area. The compression surface may be configured non-planar with an upper surface of the board-like material to selectively, variably densify the area adjacent to the cut.
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Catania Michael A.
Lavinder Jack W.
Tetra Laval Holdings & Finance S.A.
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