Method of handling green ceramic cards

Details Method of handling green ceramic cards Method of handling green ceramic cards

1989-09-21

1991-10-01

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

264553, B65H 908

Patent

active

050531832

ABSTRACT:
A method of handling a fragile, flexible card on a perforated plate. The method includes first locating the card on a tray having an open center, and disposing the tray and card on the plate. The plate is located on a hollow platen which is evacuated to draw the card to the plate. The hollow of the platen has a center compartment and peripheral compartments located about the center compartment. The evacuation process begins with the center compartment and gradually evacuates the peripheral compartments such that the center portion of the card is drawn first to the periphery plate while the peripheral portions of the card are drawn later to the periphery of the plate. In this manner, the drawing process begins with the center of the card and progresses outwardly from the center to the periphery of the card. After the card is drawn to the plate, the card is secured to the open tray by clamps.

REFERENCES:
patent: 4761257 (1988-08-01), Bunn

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