Multi-layered corrugated conduit with "black-eye" like apertures

Pipes and tubular conduits – Flexible – Corrugated

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Details

405 43, 405 49, 405 45, F16L 1111, E02B 1100

Patent

active

045236135

ABSTRACT:
The conduit includes a top wall (A) and a base (B). The top wall A has an apex area (10) which is connected with a first corrugated side wall (12) and a second corrugated side wall (32). The side walls having alternating peaks (22, 42) and valleys (24, 44). The peaks have apex ends (26, 46) which are disposed closely adjacent each other at the apex area to define a hinge region therebetween. Disposed along the apex area and on the side wall peaks are a plurality of outward projecting dimples (70, 72, 74) which are severable by a tangentially disposed knife blade to form a plurality of apertures (50, 52, 54). The base B is a flexible sheet of plastic mesh material.

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