Flexible and extendable hose for holding tank drainage

Details Flexible and extendable hose for holding tank drainage Flexible and extendable hose for holding tank drainage

2008-08-28

2009-10-06

Brinson, Patrick F (Department: 3754)

Pipes and tubular conduits

Flexible

With means for facilitating collapse

C138S118000, C138S121000, C138S122000

Reexamination Certificate

active

07597119

ABSTRACT:
A flexible collapsible corrugated sewer hose has a collapsible and expandable corrugated section providing durability, a tight bend radius and a relatively small collapse ratio. An expansion of the corrugations permits convenient manipulation and installation of the sewer hose having a self supporting structure and crush resistance without helical reinforcement.

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