Title:
NON-RETURN VALVE ASSEMBLY AND MANUFACTURING METHOD FOR THE SAME
Document Type and Number:
Japanese Patent JP2019035491
Kind Code:
A
Abstract:
To provide a non-return valve assembly which achieves small variations of an opening of a valve part and can facilitate manufacturing, and to provide a manufacturing method for the non-return valve assembly which achieves small variations of the opening of the valve part and can facilitate the manufacturing.SOLUTION: A non-return valve assembly 10 comprises: a non-return valve 11; and a receiving seat 12 to which the non-return valve 11 is attached. The non-return valve 11 includes a valve part 13 which opens to cause inflow fluid to flow out and closes to block reverse flow fluid flowing in a direction opposite to an outflow direction from flowing thereinto. The receiving seat 12 has a receiving surface 12a enabling deformation of the attached non-return valve 11 which brings the valve part 13 in a closed state, the receiving part 12a formed into a curved surface shape.SELECTED DRAWING: Figure 1
Inventors:
TOYODA HIDEJI
Application Number:
JP2017158823A
Publication Date:
March 07, 2019
Filing Date:
August 21, 2017
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
F16K15/14
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Mitsutsugu Sugimura
Yasuyuki Komatsu