Device for holding a sheet-like sample

Details Device for holding a sheet-like sample Device for holding a sheet-like sample

1983-06-02

1984-05-15

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

B25B 1100

Patent

active

044484046

ABSTRACT:
A device for holding a sheet-like sample includes table means including a reference surface capable of intimately contacting the surface of the sample and a groove formed in the reference surface and capable of being covered by the surface of the sample during the intimate contact, the groove being formed in the shape of a continuous spiral having its center substantially at the center of the reference surface, and exhaust means for exhausting the air in the groove covered by the surface of the sample.

REFERENCES:
patent: 631898 (1899-08-01), Marsh
patent: 661840 (1900-11-01), Baker
patent: 2317348 (1943-04-01), Wekeman
patent: 2723775 (1955-11-01), Von Hofe et al.
patent: 2853333 (1958-09-01), Littell
patent: 2895706 (1959-07-01), Blatherwick
patent: 3307818 (1967-03-01), Cocito
patent: 3307819 (1967-03-01), Cocito
patent: 4131267 (1978-12-01), Ono et al.

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