The first seal member (36) acts to protect the second seal (38) member during installation and quickly wears away, so that the second seal member (38) becomes the primary seal member.

The second attaching member (28) has a sealing member (84).

The invention relates to a flexible-plastic metallic seal, it consists of an active sealing means (1) and a passive sealing means (2).

A method of making a sealing element is also disclosed.

A third seal member (72) is fitted annularly on the inner side of these first and second seal members (68, 70).

The lip seal assembly (10) includes a first seal member or disc of virgin FEP (36) adjacent to a second seal member or disc of graphite-filled PTFE (38).

The sealing device further comprises a sealing member (508) at least partially encapsulating the expandable wire frame.

This invention provides an aircraft water drain valve (1) comprising a passageway (11), a shaft (9), a first sealing member (13) and a second sealing member (15).

A valve assembly (102) for sealing a port (108) of a housing (104) includes a primary sealing member (186) and a secondary sealing member (202) mounted to a valve body (154).

An end assembly can include a seal case and a sealing element, and can be disposed within the first damper element.

The thermally expandable material is operatively coupled with an element, such as a packer sealing element, via an actuator member.

A construction for pressing a seal member of a seal device mainly used in a rod seal such as an actuator.

In this way, the sleeve may be inserted into the sealing member along a predetermined path, while any cutting or shearing of particles off the sealing member may be avoided.

The valve member (20) may be provided with an overmoulded sealing member (125).

Then, the opening of the bottomed case is sealed using a sealing member.