Pipes and tubular conduits – Longitudinally seamed – Sectional
Patent
1990-09-18
1992-04-14
Bryant, III, James E.
Pipes and tubular conduits
Longitudinally seamed
Sectional
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.
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patent: 4739802 (1988-04-01), Meinig
patent: 4865365 (1989-09-01), Meinig
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