摘要 |
<p>A coupling for three-wall, corrugated pipe, the pipe including a corrugated wall having a plurality of primary corrugations, is disclosed. The coupling includes a first pipe section having disposed at one end a bell portion, the bell portion having a portion of the corrugated wall and an outer wall; a second pipe section having disposed at one end a spigot portion, the spigot portion having a portion of the corrugated wall between an inner wall and an outer wall; and a gasket engaged between the corrugated wall of the bell portion and the outer wall of the spigot portion. A three-wall, corrugated pipe section, and method for assembling a plurality of three-wall, corrugated pipe sections, are also disclosed.</p> |
申请人 |
ADVANCED DRAINAGE SYSTEMS, INC.;SUTTON, GERALD, S.;SHAFFER, WILLIAM, V.;GODDARD, JAMES, B.;KURDZIEL, JOHN, M.;KELLEY, DAVID, J.;BIESENBERGER, JEFFREY, J. |
发明人 |
SUTTON, GERALD, S.;SHAFFER, WILLIAM, V.;GODDARD, JAMES, B.;KURDZIEL, JOHN, M.;KELLEY, DAVID, J.;BIESENBERGER, JEFFREY, J. |