Segmented annular seal for missle launch tube
AssigneeWestinghouse Electric Corp.
InventorDonald C. Wold
Life of this patent
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Abstract
A seal for a large annular space formed from a plurality of overlapping seal segments disposed in a circular array; each seal segment having step margins which overlap when the segments are abutting each other in a circular array, each seal segment also having a sealing portion disposed at an angle with respect to a base portion which fits a cylindrical surface, and there is a groove on the low pressure side of the seal portion adjacent the juncture of the seal portion with the base forming a one directional hinge between the base portion and the sealing portion.
Claims7
A seal segment to be disposed in a circular array of seal segments to form a seal for a large annular space, said seal segment comprising:
- a base portion, which fits a cylindrical surface;
- a seal portion which extends from said base so as to form an acute angle between a high pressure side of said seal portion and said base;
- said seal portion having longitudinal margins with diagonally opposed steps that overlap when one seal segment is abutted against another to form the circular array of seal segments;
- and
- a groove extending across a low pressure side of said seal portion at the juncture of said seal portion and said base portion.
Dependencies are inferred from the claim text.