Structure of air conduit flange and shock-absorbing connector

Pipes and tubular conduits – Longitudinally seamed – Sectional

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Details

138120, 138155, 285364, 285405, F16L 2300

Patent

active

051038722

ABSTRACT:
An air conduit flange structure has a plurality of flange strip elements connected by angle connections. Each flange strip element is formed by folding a plate into an L-shape with its two opposite end edges defining a guide space, having a plurality of retainer projections and slide way portions for retaining a plurality of connecting strips which are formed in the casing of the air conduit. A shock-absorbing connector has two opposite metal end portions with a canvas connection. The metal end portions each have a plurality of raised porotrusions around its edge for fastening the two opposite end edges to the flange strip elements. Rubber strips are respectively attached to the air conduit flange and the shock-absorbing connector to protect against air leakage.

REFERENCES:
patent: 2126499 (1938-08-01), Petersen
patent: 3647247 (1972-03-01), Pintard et al.
patent: 3712650 (1973-01-01), Mez
patent: 4123094 (1978-10-01), Smitka
patent: 4252350 (1981-02-01), Smitka
patent: 4516797 (1985-05-01), Meinig
patent: 4542923 (1985-09-01), LaCrosse
patent: 4566724 (1986-01-01), Arnoldt et al.
patent: 4739802 (1988-04-01), Meinig
patent: 4865365 (1989-09-01), Meinig

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