Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1996-10-08
1999-09-14
Pollard, Steven
Receptacles
Closures
Having means for securing or retaining closure in its closed...
220 426, 220669, B65D 600
Patent
active
059508604
ABSTRACT:
An adjustable length storage tank sump for attachment to an underground storage tank is provided. The storage tank sump is formed from a body having a polygonal lower portion with a chamber, an interconnecting conical middle portion, and an upper portion having a plurality of formations and an opening disposed thereon. The formations are axially spaced along the longitudinal axis of the body so that a predetermined number of the formations can be selectively removed during installation, thereby reducing the length of the storage tank sump. A sealing surface is provided on each formation so that a single seal can be installed on the formation closest the opening. An attachment structure, which is interchangeable among the formations, removably engages the formation closest to the opening. A removable lid for covering the opening is provided, the lid engaging the attachment structure such that the lid sealingly contacts the seal.
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Kesterman James
Manger Peter E.
Dover Corp.
Pollard Steven
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