Resilient seal and method of using a resilient seal

Details Resilient seal and method of using a resilient seal Resilient seal and method of using a resilient seal

1999-03-26

2001-05-08

Knight, Anthony (Department: 3626)

Seal for a joint or juncture

Process of static sealing

C277S630000, C277S644000, C277S647000, C277S654000

Reexamination Certificate

active

06227546

ABSTRACT:

FIELD OF INVENTION
The invention relates to a resilient seal.
BACKGROUND OF INVENTION
Resilient seals are known for various applications. One example of a seal intended to provide effective sealing for the increasingly large and variable displacement between cooperating members of sealing surfaces was to provide multiple convolutions between cantilever sealing members at each end of a sealing ring, such as is shown in U.S. Pat. No. 4,121,843. As conditions continued to increase a further response was needed. This came in the form of multiple-ply sealing ring construction, in which the thinner plies capable of containing the fluid under pressure, when used in layers, provided the capacity for two or more times the deflection at a given stress level. U.S. Pat. Nos. 5,249,814 and 5,716,052 describe sealing rings using this technology.
SUMMARY OF INVENTION
In an aspect, the invention relates to the positioning of a seal in a cavity such that a side of an extending leg facing away from the adjacent sealing surface of the cavity faces a lower pressure zone; and/or a side of an extending leg facing towards the adjacent sealing surface of the cavity faces a higher pressure zone.
In another aspect, the invention relates to the positioning of a seal in a cavity such that a side of an extending leg facing a sidewall of a seal faces a lower pressure zone; and/or a side of an extending leg facing away from a sidewall of a seal faces a higher pressure zone.
In yet another aspect, the invention relates to the positioning of a seal in a cavity such that an inner side of an extending leg faces a lower pressure zone; and/or an outer side of an extending leg faces a higher pressure zone.


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