Document Type and Number:
Japanese Patent JPH0437417
Kind Code:
B2
Abstract:
An apparatus for securing a sheet material under suction, the apparatus comprising: a face plate including a number of pores adapted to allow air to pass through, a base plate including outlet ports, corrugated plate interlocated between the face plate and the base plate, the corrugated plate including hill portions and valley portions alternately produced, each hill portion and valley portion taking the form of rectangles produced concentrically of the base plate, the corrugated plate further including inlet grooves between one hill portion and the next, and outlet grooves between one valley portion and the next, each outlet groove including one outlet port in the base plate, the inlet grooves and the outlet grooves being communicated with each other through a port produced in the partition wherein the port is located at a point distant from the outlet ports.
Inventors:
NISHIHAMA TAKAMICHI
OKADA KOTARO
KADOTA SHIGEKAZU
OKADA KOTARO
KADOTA SHIGEKAZU
Application Number:
JP9997685A
Publication Date:
June 19, 1992
Filing Date:
May 10, 1985
Export Citation:
Assignee:
DAINIPPON SCREEN MFG
International Classes:
G03B27/58; B25J15/06; F16B47/00; G03B27/60
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