Enhanced seal
First Claim
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1. An enhanced seal, comprising:
- an outer portion comprising an outer cylindrical portion and an outer annular portion,the outer cylindrical portion comprising an outer cylindrical portion proximal end, an outer cylindrical portion distal end, an outer cylindrical portion outer dimension, and an outer cylindrical portion length dimension extending from the outer cylindrical portion proximal end to the outer cylindrical portion distal end,the outer annular portion comprising an outer annular portion proximal end, an outer annular portion distal end, an outer annular portion outer dimension and an outer annular portion length dimension extending from the outer annular portion proximal and to the outer annular portion distal end,the outer cylindrical portion proximal end being secured to or integrally formed with the outer annular portion proximal end, the outer annular portion outer dimension being greater than the outer cylindrical portion outer dimension, and the outer cylindrical portion length dimension being at least twice as great as the outer annular portion length dimension;
an inner portion comprising an inner cylindrical portion and an inner annular portion,the inner cylindrical portion being secured to or integrally formed with the inner annular portion,the inner cylindrical portion being disposed at least partially within the outer cylindrical portion, the inner annular portion being disposed at least partially within the outer annular portion,a combination of the inner portion and the outer portion defining a central passageway,the outer portion comprising a first set of one or more materials having a hardness within a Shore A durometer scale; and
the inner portion comprising a second set of one or more materials having a hardness within a Shore D durometer scale.
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Abstract
An enhanced seal may comprise an inner portion and an outer portion. The inner portion may comprise an inner cylindrical portion and an inner annular portion. The outer portion may comprise an outer cylindrical portion and an outer annular portion. The inner portion may be made of a harder material than the outer portion and may provide support to the outer portion.
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Citations
15 Claims
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1. An enhanced seal, comprising:
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an outer portion comprising an outer cylindrical portion and an outer annular portion, the outer cylindrical portion comprising an outer cylindrical portion proximal end, an outer cylindrical portion distal end, an outer cylindrical portion outer dimension, and an outer cylindrical portion length dimension extending from the outer cylindrical portion proximal end to the outer cylindrical portion distal end, the outer annular portion comprising an outer annular portion proximal end, an outer annular portion distal end, an outer annular portion outer dimension and an outer annular portion length dimension extending from the outer annular portion proximal and to the outer annular portion distal end, the outer cylindrical portion proximal end being secured to or integrally formed with the outer annular portion proximal end, the outer annular portion outer dimension being greater than the outer cylindrical portion outer dimension, and the outer cylindrical portion length dimension being at least twice as great as the outer annular portion length dimension; an inner portion comprising an inner cylindrical portion and an inner annular portion, the inner cylindrical portion being secured to or integrally formed with the inner annular portion, the inner cylindrical portion being disposed at least partially within the outer cylindrical portion, the inner annular portion being disposed at least partially within the outer annular portion, a combination of the inner portion and the outer portion defining a central passageway, the outer portion comprising a first set of one or more materials having a hardness within a Shore A durometer scale; and the inner portion comprising a second set of one or more materials having a hardness within a Shore D durometer scale. - View Dependent Claims (2, 3, 4, 5, 6, 7, 15)
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8. An enhanced seal, comprising:
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an outer portion comprising an outer cylindrical portion and an outer annular portion, the outer cylindrical portion comprising an outer cylindrical portion proximal end, an outer cylindrical portion distal end, an outer cylindrical portion outer dimension, and an outer cylindrical portion length dimension extending from the outer cylindrical portion proximal end to the outer cylindrical portion distal end, the outer annular portion comprising an outer annular portion proximal end, an outer annular portion distal end, an outer annular portion outer dimension and an outer annular portion length dimension extending from the outer annular portion proximal and to the outer annular portion distal end, the outer cylindrical portion proximal end disposed closer to the outer annular portion proximal end than the outer annular portion distal end, the outer annular portion outer dimension being greater than the outer cylindrical portion outer dimension; an inner portion comprising an inner cylindrical portion and an inner annular portion, the inner cylindrical portion being disposed at least partially within the outer cylindrical portion, the inner annular portion being disposed at least partially within the outer annular portion, a combination of the inner portion and the outer portion defining a central passageway, the outer portion comprising a first set of one or more materials having a hardness within a Shore A durometer scale; and the inner portion comprising a second set of one or more materials having a hardness within a Shore D durometer scale. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification