Method for automatically opening roll cassette by suctioning

Details Method for automatically opening roll cassette by suctioning Method for automatically opening roll cassette by suctioning

1993-05-19

1994-07-05

Vo, Peter D.

Metal working

Method of mechanical manufacture

Disassembling

294263, 294264, 29806, 29DIG44, 533821, 242550, B23P 1904, G03B 104, B65B 4338

Patent

active

053255771

ABSTRACT:
A method is provided for automatically opening and removing a web from a clamshell film cassette. During opening of the cassette a first actuatable means releases a cassette latch. A second means is provided to open one clamshell half upon release of the latch, and a third means is provided to open the other clamshell half. The second and third means each include a pivotal arm having a plurality of suction cups for gripping a wall of a calm shell half. The pivotal arms are positioned by automatic actuators. Vacuum means are provided for picking up the leading end of a web roll within the cassette and transporting it to a web path.

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