Apparatus for connecting oval duct sections

Details Apparatus for connecting oval duct sections Apparatus for connecting oval duct sections

1993-01-25

1995-01-03

Arola, Dave W.

Pipe joints or couplings

Particular interface

Annular socket

285424, F16L 2500

Patent

active

053780280

ABSTRACT:
A flange connection for oval shaped air conditioning ducts readily adapts to ducts of differing shape and dimension. The flange is unitary and simultaneously attaches to the ends of two adjacent ducts.

REFERENCES:
patent: 2498753 (1950-02-01), Deitsch
patent: 4133566 (1979-01-01), Miller
patent: 5133580 (1992-07-01), Meinig
patent: 5135270 (1992-08-01), Arnoldt et al.

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