Sump assembly

Details Sump assembly Sump assembly

1993-08-19

1994-11-22

Reese, Randolph A.

Hydraulic and earth engineering

Drainage or irrigation

285363, 405 42, 405 53, 52 20, E03F 500

Patent

active

053663187

ABSTRACT:
The present invention involves a flexible annular member passing through a wall opening. The flexible annular member is positioned about a conduit passing through the wall opening to enable the conduit to pass through the wall at an angle up to and even greater than 30.degree.. Another embodiment of the present invention comprises a flange type riser and base connection involving the location of the entire sealing assembly within a chamber base/riser section.

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Hofit Publication, pp. A1/17-A17/17 Owens-Corning Publication, pp. 1-9, Dec. 1985.

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