Bent honeycomb pipe assembly with central pipe

Details Bent honeycomb pipe assembly with central pipe Bent honeycomb pipe assembly with central pipe

1979-02-06

1984-07-24

Bryant, III, James E.

Pipes and tubular conduits

Plural duct

Longitudinally extending common wall

138148, 138172, 138177, 138DIG8, 425162, 264294, 264339, 60320, F16L 918

Patent

active

044613237

ABSTRACT:
A bent honeycomb pipe includes an outer pipe section bent at a predetermined curvature, a bent central pipe section coaxial with the outer pipe section and a bent honeycomb-shaped section interposed between the outer and central pipe-sections, all three sections being simultaneously coextruded to form a single-piece construction.

REFERENCES:
patent: 1677714 (1978-07-01), Frease
patent: 3379221 (1968-04-01), Harry et al.
patent: 3464450 (1969-09-01), Steffenini
patent: 3542152 (1970-11-01), Adamson
patent: 3642094 (1972-02-01), Yancey
patent: 3665967 (1972-05-01), Kachnik
patent: 3753635 (1973-08-01), Barnett
patent: 3779282 (1973-12-01), Klees
patent: 3941157 (1976-03-01), Barnett

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