Title:
PIPE JOINT
Document Type and Number:
Japanese Patent JP2020067104
Kind Code:
A
Abstract:
To improve connection workability in a case of being filled with incompressible fluid.SOLUTION: A first joint 10 (pipe joint) comprises: a cylindrical first joint body 11 whose inside is a first main flow passage 12; a first valve seat 19 provided on the peripheral surface of the first joint body 11; a first valve body 20 that is housed in the first joint body 11 and is movable from a valve closing position in contact with the first valve seat 19 to the valve opening position that is behind the valve closing position; and an accumulator 25 that has a variable storage chamber 30 communicating with the first main flow passage 12, and increases the volume of the variable storage chamber 30 as the pressure in the first main flow passage 12 increases.SELECTED DRAWING: Figure 2
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Inventors:
OGURI HIDEKI
Application Number:
JP2018198853A
Publication Date:
April 30, 2020
Filing Date:
October 23, 2018
Export Citation:
Assignee:
NASCO FITTING KK
International Classes:
F16L37/367
Domestic Patent References:
| JPS55135886U | 1980-09-27 | |||
| JPS60188689A | 1985-09-26 | |||
| JP2002372184A | 2002-12-26 |
Foreign References:
| WO2016129605A1 | 2016-08-18 |
Attorney, Agent or Firm:
Patent Business Corporation Grund Patent Office