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Title:
PISTON PUMP AND RAW MATERIAL PROCESSING DEVICE PROVIDED WITH PISTON PUMP
Document Type and Number:
Japanese Patent JP2016211404
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a piston pump capable of preventing contamination of raw material, preventing raw material from flowing into a storing chamber and at the same time easily performing both washing and disinfection.SOLUTION: This invention relates to a piston pump comprising: a raw material compressing cylinder having a cylinder chamber with its rear end part being released; a plunger; a table block for supporting the raw material compressing cylinder with a slight inclination angle of a central axis of the plunger while a cylinder head faces down in a gravity direction; a storing chamber for receiving the plunger; a linear driving device for moving the plunger to reciprocate; a suction port arranged at the head part of the raw material compression cylinder in an upward facing manner in the gravity direction; a discharging port arranged in a downward facing manner in the gravity direction. A member in the storing chamber causes the plunger to be drawn into the storing chamber and enables the cylinder chamber and the storing chamber to be communicated to each other when a reciprocating member of the linear driving device is moved to the final end at its stroke.SELECTED DRAWING: Figure 1

Inventors:
NAKAJIMA ATSUSHI
TOKUMICHI YOICHI
HARASHIMA KENICHI
Application Number:
JP2015094374A
Publication Date:
December 15, 2016
Filing Date:
May 01, 2015
Export Citation:
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Assignee:
SUGINO MACH
International Classes:
F04B9/105
Domestic Patent References:
JP2011012591A2011-01-20
JP2014144434A2014-08-14
JP2011012591A2011-01-20
JP2014144434A2014-08-14
Foreign References:
FR2576644A11986-08-01
US3939755A1976-02-24
US4830230A1989-05-16
US3070023A1962-12-25
FR2576644A11986-08-01
US3939755A1976-02-24
US4830230A1989-05-16
US3070023A1962-12-25
Attorney, Agent or Firm:
花村 太