Cutting – Processes – With subsequent handling
Patent
1991-02-15
1993-10-05
Watts, Douglas D.
Cutting
Processes
With subsequent handling
83 85, 83 94, 83 97, 83147, 414790006, 414790008, B26D 732
Patent
active
052494926
ABSTRACT:
Apparatus and method for severing and stacking articles which have been differentially pressure formed in a sheet of thermoplastic material from the sheet. Apparatus is provided for moving the sheet in a horizontal path and relatively vertically moving opposed upper and lower trim dies into engagement with vertically opposite sides of the sheet to trim the articles from the sheet at a trim station. The articles free fall through an opening in the lower die and free fall to an underlying accumulator. The accumulator includes mechanism which is moveable from a stack forming position in the path of freely falling articles to receive and accumulate freely falling severed articles in a stack, and a releasing position in which a formed the stack is released for vertical free fall. Mechanism is provided for accumulating additional severed articles at a higher predetermined vertical level until the released stack vertically clears the stacking station and then releasing the partial stack for free-fall to the stacking station at which another stack is completed.
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Brown Gaylord W.
Kent William F.
Kundinger James H.
John Brown Inc.
Norton Burnett W.
Watts Douglas D.
Woods Raymond D.
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