Title:
VACUUM CLEANING HEAD
Document Type and Number:
WIPO Patent Application WO/2014/049837
Kind Code:
A1
Abstract:
This vacuum cleaning head allows for a high degree of freedom in the configuring of a vacuum cleaning head that cleans the screen mask of a screen printer, and reduces unevenness in the suction capacity of a slit-shaped suction port. The vacuum cleaning head is provided with (a) an elongated suction section (42) that comprises a slit-shaped suction port (40) and that comes into contact with the lower surface of a screen mask via a cleaning sheet, (b) a main vacuum chamber (48) that has a greater length than the suction port and an elongated shape that is wider than the suction port, and that is connected at one section in the lengthwise direction thereof to a vacuum generation device by a pipe line, (c) a vacuum sub-chamber (44) that is provided between the main vacuum chamber and the suction section and that has a length equal to or greater than the length of the suction port, and (d) a flow regulation section (46) that is provided between the vacuum sub-chamber and the main vacuum chamber and that regulates the flow of air from the main vacuum chamber toward the vacuum sub-chamber.
Inventors:
KONDO TAKESHI (JP)
Application Number:
PCT/JP2012/075100
Publication Date:
April 03, 2014
Filing Date:
September 28, 2012
Export Citation:
Assignee:
FUJI MACHINE MFG (JP)
International Classes:
B41F35/00; B41F15/08; B41F15/12
Foreign References:
| JPH09193362A | 1997-07-29 | |||
| JP2011073352A | 2011-04-14 | |||
| JPH10193577A | 1998-07-28 |
Attorney, Agent or Firm:
CHUBU PATENT OFFICE (JP)
Central patent business corporation international patent firm (JP)
Central patent business corporation international patent firm (JP)
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