Paper making and fiber liberation – Processes and products – Reclamation – salvage or reuse of materials
Patent
1996-07-25
1998-06-02
Jones, Eugenia
Paper making and fiber liberation
Processes and products
Reclamation, salvage or reuse of materials
83 53, 83 56, 83177, 83614, 83924, 162194, B26F 300, B65H 7300, D21F 166
Patent
active
057593507
ABSTRACT:
A papermaking process dry end slabbing method using high pressure fluid cutting moves generally parallel to a spool at the end of the papermaking process. The process removes multiple layers of unwanted paper which may be of the wrong grade, poor quality, mis-spooled or otherwise damaged from the spool. A first method uses a carriage mounting an articulated cutter. Vertically extensible pneumatic or hydraulic cylinders and anti-oscillation and thrust support telescopic stanchions displace the cutter in response to input from a set of sensors used to detect a surface of the paper. A track embedded in the floor guides the carriage generally parallel to the spool. The track can be a geared rack, a rail, a channel defined in the floor or a wire embedded in the floor. A driven pinion gear or wheel, undriven foot or wheel, or sensing equipment disposed within the carriage interacts with the track to guide the carriage. Alternatively, the carriage wheels may be driven or a winch and cable can provide transverse displacement of the carriage along the spool. A second method moves an overhead carriage winch along an overhead beam. The high pressure fluid cutter is mounted to an extensible column which extends and retracts in response to the sensors. The overhead carriage is moved along the beam by a cable and winch arrangement or chain and sprocket setup.
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Pyron Chris E.
Pyron Donald R.
Carver Stephen D.
Jones Eugenia
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