Air Valve

1. Air valve

1 . 1 : Perspective

1 . 2 : Front

1 . 3 : Left

1 . 4 : Back

1 . 5 : Right

1 . 6 : Top

1 . 7 : Bottom

1 . 8 : Perspective

The title of the product incorporating the design is an “air valve”; the product incorporating the design is an air valve allowing the release of air; the essential feature of the design is the shape of the product incorporating the design; fig. 1 . 1 is capable of best showing the essential feature of the design.