Manufacturing container or tube from paper; or other manufacturi – With scrap material separation or removal
Patent
1989-09-19
1991-01-15
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
With scrap material separation or removal
493472, 83102, 83161, B31B 174, B26F 100
Patent
active
049850121
ABSTRACT:
An apparatus for stripping the scrap portion from a die cut blank includes a stripper pin carrier providing a pattern of stripper pins supported in a resilient compressible material layer in which the stripper pins are demountably embedded. The stripper pins may be inserted into the resilient layer to provide a pattern or patterns which will accommodate virtually any size, shape and location of scrap portions to be stripped from a blank. The stripper pins can be removed and reinserted in a different pattern to accommodate a different run of blanks of corrugated paperboard or the like. Programmable robotic control may be used for pin placement and removal. A unique positive stripping apparatus includes a resilient soft-covered roll beneath the blank at the point of stripping and into which the leading edge of the scrap portion is pressed by the stripper pins on the upper rotary pin-carrying roll. The stripping pins initially displace the leading edge of the scrap portion from the plane of the blank and into the soft layer of the roll until the edge is captured by the stripping edge of a downstream scrap carrier. The scrap carrier traps the scrap portion against the soft deformable layer of the lower roll and continued rotation of the roll effects a positive stripping of the scrap from the blank and carries the scrap away for disposal.
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Marquip Inc.
Terrell William E.
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