NON-RETURN VALVE

NON-RETURN VALVE

To provide a check-valve in which the occurrence of damage such as tearing, deformation, etc., can be suppressed.[Solution]A check-valve opens and closes an opening provided in a main body and prevents a backflow of a fluid passing through the opening; and the check-valve includes a base part 71 whi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUGIYAMA Yoshihito, TANAKA Yuichiro, OCHIAI Yukifumi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HUMAN NECESSITIES
HYGIENE
LIGHTING
MECHANICAL ENGINEERING
MEDICAL OR VETERINARY SCIENCE
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Beschreibung
Zusammenfassung:To provide a check-valve in which the occurrence of damage such as tearing, deformation, etc., can be suppressed.[Solution]A check-valve opens and closes an opening provided in a main body and prevents a backflow of a fluid passing through the opening; and the check-valve includes a base part 71 which is flexible, and a valve part 72 which opens and closes the opening, has a thickness thinner than a thickness of the base part 71, and is connected to the base part 71 in a state in which a periphery of the valve part 72 is surrounded with the base part 71. The valve part 72 seals the opening in a normal state of the valve part 72 being pre-urged toward the main body by an elasticity of the base part 71, and opens the opening when the fluid passes through the opening in one direction.