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US 4,433,848 AGranted
Large annular segmented seal with lock portions for missile launch tube
AssigneeWestinghouse Electric Corp.
InventorW. Wayne Williams
Life of this patent
Estimating the term…
Abstract
A segmented seal for a large annular space formed from an annular array of overlapping seal segments having a plurality of said seal segments provided with a bulbous distal end with a hole in the bulbous portion, the hole in adjacent bulbous portions registering to form a continuous opening which receives a tubular member that positively interlocks the ends of the seal segments so that they bridge openings in an outer cylindrical member.
Claims5
A seal for a large annular opening, said seal comprising:
- a plurality of overlapping seal segments disposed in an annular array;
- each seal segment having a base portion, which fits a cylindrical surface, and a seal portion extending at such an angle to the base portion to form an acute angle with said base portion on a high pressure side of said seal segment;
- each seal portion having side margins with diagonally opposing steps, which overlap steps on adjacent seal portions;
- a plurality of seal portions disposed adjacent each other and having a bulbous distal end with an opening in the bulbous end which registers with adjacent openings;
- and
- an elongated member, which fits into said opening, to positively lock said bulbous ends together.
3 more elements
Dependencies are inferred from the claim text.