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Title:
LIQUID-JETTING MECHANISM AND PISTON USED IN LIQUID-JETTING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2020/189751
Kind Code:
A1
Abstract:
Provided is a liquid-jetting mechanism with a sealing structure for reliably sealing between a liquid-accelerating member and a liquid-holding member. This liquid-jetting mechanism comprises a liquid-holding member for holding a liquid therein, a nozzle for jetting the liquid inside the liquid-holding member, and a liquid-accelerating member for imparting speed to the liquid by moving inside the liquid-holding member so as to jet the liquid from the nozzle, the liquid-accelerating member being provided with a shaft, first sealing members disposed on the shaft, a cylindrical member that covers the outside of the first sealing members and has a sliding surface that moves along the inner surface of the liquid-holding member, and second sealing members disposed on the opposite side of the first sealing members from the nozzle.

Inventors:
GOTO RYOTA (JP)
Application Number:
JP2020/012222
Publication Date:
September 24, 2020
Filing Date:
March 19, 2020
Export Citation:
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Assignee:
ASCE CO LTD (JP)
International Classes:
A22C9/00; A22C17/00; A23L5/30; A23L13/70; F16J15/18; F16J15/3268; F16J15/48
Foreign References:
JPS62100309U1987-06-26
JP2018084299A2018-05-31
JP2017036754A2017-02-16
JPH05244906A1993-09-24
JPH05219924A1993-08-31
JPH1189542A1999-04-06
Attorney, Agent or Firm:
PSD (JP)
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