Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1994-02-18
1997-01-28
Rada, Rinaldi I.
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
83155, 83422, 83451, 83941, 1986891, B26D 702, B26D 720, B65H 2010, D06H 700
Patent
active
055969178
ABSTRACT:
An apparatus for conveying and cutting sheet material has an endless conveyor belt trained over rotatable end units. The endless belt defines an upper run for supporting the sheet material, a lower run spaced below the upper run, and two arcuate end sections, each extending between the upper and lower runs. A first gap is formed in the conveyor belt between one end of the upper run and the adjacent end section, and a second gap is formed in the belt between the other end of the upper run and the adjacent end section. A cutting unit is supported over the upper run for cutting the sheet material, and a vacuum is introduced in the upper run for creating a vacuum bed to hold the sheet material against the supporting surface during a cutting operation. Two end sealing assemblies are mounted between the upper and lower run, and each is located adjacent to a respective gap in the conveyor. Each end sealing assembly includes one or more sealing strips extending substantially across the width of the conveyor belt, and movable between sealing and retracted positions. In the sealing position, each sealing strip is received within the adjacent gap in the conveyor, and engages an end surface of the upper run to seal the engaged surface, thereby preventing the leakage of air through the respective end of the vacuum bed. In the retracted position, each sealing strip is retracted from the respective gap to a position below the upper run away from the path of conveyor movement.
REFERENCES:
patent: 4485712 (1984-12-01), Gerber
patent: 4528878 (1985-07-01), Gerber
patent: 5001954 (1991-03-01), Galan
patent: 5189936 (1993-03-01), Gerber et al.
patent: 5282407 (1994-02-01), Arikita
patent: 5358226 (1994-10-01), Arikita
Gerber H. Joseph
Kuchta Richard
Gerber Garment Technology, Inc.
Rada Rinaldi I.
Woods Raymond D.
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