One-piece flap device, injection-moulded from elastic material

摘要

A one-piece flap device made of elastic material, which separates two distinct volume spaces. The one-piece flap device includes:
a) a substantially cylindrical body including a through conduit,b) a flap that seals an aperture of the through conduit of the body when the flap is in a closed position and is within said body, andc) an arm connecting the body of the device to the flap.

The arm is in an elastic stress position regardless of the position of the flap when inside said body.

主权项

1. A one-piece flap device made of elastic material, which separates two distinct volume spaces, said flap device comprising:
a) a substantially cylindrical body comprising a through conduit, b) a flap that seals an aperture of the through conduit of said body when the flap is in a closed position and is within said body, and c) an arm connecting the body of said flap device to said flap, said arm being in an elastic stress position regardless of the position of said flap when inside said body, wherein: the body comprises at least one peripheral lip; a part of an outer face of the flap is pressed against an inner face of the peripheral lip by an elastic force of the arm in the closed position;
the flap is configured to be moved from the closed position to an open position in a direction that opposes the elastic force of the arm; anda first end of the arm is attached to an exterior surface of the body and a second end of the arm is attached to the flap.