Method and apparatus for holding sheet material on a sectioned v

Details Method and apparatus for holding sheet material on a sectioned v Method and apparatus for holding sheet material on a sectioned v

1984-06-04

1985-07-16

Schran, Donald R.

Cutting

Processes

Cut advances across work surface

83 14, 83 29, 83100, 83925CC, 83451, B26D 702

Patent

active

045288780

ABSTRACT:
An automatically controlled machine for cutting limp sheet material includes a vacuum bed defining a surface on which the sheet material is spread and held during cutting. A reciprocating cutting blade penetrates through the sheet material and the support surface of the vacuum bed as the blade is translated parallel to the support surface along lines of cut. A plurality of air-impermeable panels extend through the bed in spaced relationship to sectionalize the vacuum bed and permit the vacuum to be generated only in those portions of the bed where the cutting blade is operating. To prevent interference with the penetrating cutting blade, the panels are individually withdrawn from the bed when the cutting blade approaches.

REFERENCES:
patent: 3598006 (1971-08-01), Gerber et al.
patent: 3777604 (1973-12-01), Gerber
patent: 3835747 (1974-09-01), Bystron
patent: 3848327 (1974-11-01), Gerber et al.
patent: 4345496 (1982-08-01), Pearl

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