Check valve

USD1057094SActive Publication Date: 2025-01-07ISHIZAKI CO LTD
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Patent Information

Application Number
US35/518226
Authority / Receiving Office
US · United States
Patent Type
Designs(United States)
Current Assignee / Owner
Priority Date
2022-03-08
Filing Date
2022-09-07
Publication Date
2025-01-07
Estimated Expiration
2040-01-07

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Description

[0001] 1.1 : Front

[0002] 1.2 : Back

[0003] 1.3 : Left

[0004] 1.4 : Right

[0005] 1.5 : Top

[0006] 1.6 : Bottom

[0007] 1.7 : Cross sectional

[0008] 1.8 : Perspective

[0009] 1.9 : Perspective

[0010] An inner wall surface on the out-course side of a flow channel in an inlet pipe body portion is curved from an inlet port to an outlet pipe body portion. A part of an outer wall surface on the in-course side of the flow channel in the inlet pipe body portion protrudes outward in a curved shape while the inner wall surface is depressed outward. A valve stem is positioned on a bias toward the outlet pipe body section from the center of the inlet port in the bottom view.

Claims

The ornamental design for a check valve as shown and described.

Citation Information

Patent Citations

  • Angle check valve

    CN305441555S

  • Gate valve body structure (multi-purpose)

    CN306119711S

  • Rubber flap check valve

    CN306488388S

  • Check valve (Y type)

    CN306895069S

  • Check valve

    CN306901211S

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