Title:
一体型フィルターを備えた逆止弁
Document Type and Number:
Japanese Patent JP7408656
Kind Code:
B2
Abstract:
A method of manufacturing a check valve may include forming an upper housing as cylindrical body with (i) an internal surface including an upstream internal surface and a downstream internal surface having a projection and (ii) an external surface, forming a T-shaped filter member and mounting the T-shaped filter member in the internal surface of the upper housing. The method may further include forming a lower housing with a support portion at a central portion thereof, mounting a flexible valve member on the support portion, and coupling the upper housing with T-shaped filter member mounted therein onto the lower housing with flexible valve member mounted therein such that the T-shaped filter member is disposed upstream of the flexible valve member.
Inventors:
Faith, Raymond Pee.
Mason, eugene
Mason, eugene
Application Number:
JP2021530844A
Publication Date:
January 05, 2024
Filing Date:
October 31, 2019
Export Citation:
Assignee:
CareFusion 303, Incorporated
International Classes:
A61M39/24; F16K15/14; F16K51/00
Domestic Patent References:
| JP7014273U | ||||
| JP2014516610A | ||||
| JP47004469Y1 |
Foreign References:
| WO2011055790A1 | ||||
| KR101888473B1 | ||||
| WO2017175335A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Asamura Patent Office