Flexible dual wall hose or pipe assembly

Details Flexible dual wall hose or pipe assembly Flexible dual wall hose or pipe assembly

1994-04-15

1996-09-17

Nold, Charles R.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428182, 428184, 138104, G01M 300

Patent

active

055566790

ABSTRACT:
A dual pipe installation comprising a sump including a wall having inner and outer surfaces, and an opening extending there between, a pipe assembly extending into the sump and comprising an outer flexible pipe extending lengthwise and being defined by an endless wall which includes a plurality of corrugations in serially adjacent lengthwise relation, and a lengthwise inwardly open channel, and an inner flexible pipe which extends within the outer pipe, which is defined by an endless wall defining an interior and including a plurality of corrugations in serially adjacent lengthwise relation, and a projecting end portion extending axially outwardly beyond the end of the outer pipe and having an outer end, and which defines, with the outer pipe, an annular space.

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