Title:
CHECK VALVE ASSEMBLY
Document Type and Number:
Japanese Patent JP2020058689
Kind Code:
A
Abstract:
To provide a check valve assembly capable of thinning the thickness of a portion including a check valve and facilitating attachment and replacement.SOLUTION: A check valve assembly 10 comprises an upper lid 20, a check valve 30, and a valve retainer member 40. The check valve 30 is comprised of a body part 31 having a slit 33 at a lower end 31a, and a flange 34, and the valve retainer member 40 is comprised of an annular flat plate 41 having an opening at a center. The check valve 30 is so configured that the flange part 34 is clamped between the upper lid 20 and the annular flat plate 41, and the body part 31 is projected downward from the opening of the valve retainer member 40.SELECTED DRAWING: Figure 3
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Inventors:
SHIMADA TAKEHISA
Application Number:
JP2018193117A
Publication Date:
April 16, 2020
Filing Date:
October 12, 2018
Export Citation:
Assignee:
SHINETSU POLYMER CO
International Classes:
A61J15/00; A61M39/06; A61M39/24
Domestic Patent References:
| JP2012515596A | 2012-07-12 |
Attorney, Agent or Firm:
Tomohiro Sakamoto