Sleeve adapter
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United States of America Patent
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-
Dec 11, 1990
Grant Date -
N/A
app pub date -
Dec 7, 1988
filing date -
Dec 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sleeve adapter (S) for locating a throughpipe (24) in a structural member (18). The sleeve adapter (S) comprises an annular apertured hub (2) having a central axis .alpha., a first annular surface (4) adjacent a first face of the hub (2) sloping inwardly toward the axis, a second annular surface (8) adjacent a second face of the hub (2), and a third annular surface (12) intermediate the first (4) and second (8) surfaces of a smaller diameter than the second annular surface (8). The adapter (S) also comprises a mechanical joint gasket (6) engaging the first annular surface (4) which locates a throughpipe (24) concentric with the central axis, a push-on gasket (10) engaging the second annular surface (8) which locates a sleeve pipe (14) concentric with the central axis, and a pressure means for urging the mechanical joint gasket (6) against the first annular surface (4) and the throughpipe (24). The sleeve adapter (S) optionally comprises a circumferential flange (16) adjacent the second face of the hub (2) which prevents liquid from seeping through the structural member (18).
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