Suction board
AssigneeSMC Corporation
InventorsMasaru Saitoh, Yoshikazu Kawano
Life of this patent
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Abstract
A suction board includes a nonwoven fabric sheet that has a uniform thickness and is formed into a disk shape, and a ring-shaped holding body that movably supports the nonwoven fabric sheet to an attaching adapter. The suction surface is formed by the flat surface of the nonwoven fabric sheet, and the nonwoven fabric sheet is provided with an air-impermeable region in the outer peripheral portion and an air-permeable region excluding the outer peripheral portion, and the density of the air-impermeable region is higher than the density of the air-permeable region.
Claims10
A suction board including a suction surface configured to come into close contact with a workpiece, the suction board comprising:
- an attaching adapter attached to a vacuum generating device;
- a nonwoven fabric sheet having a uniform thickness and being formed into a disk shape;
- and
- a ring-shaped holding body configured to movably support the nonwoven fabric sheet with respect to the attaching adapter,
- wherein
- the suction surface is formed by a flat surface of the nonwoven fabric sheet,
- the nonwoven fabric sheet is provided with an air-impermeable region on an outer peripheral portion and an air-permeable region excluding the outer peripheral portion, and
- a density of the air-impermeable region is higher than a density of the air-permeable region.
Dependencies are inferred from the claim text.