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Title: Duct Joining System

Patent ·
OSTI ID:879625

A duct joining system for providing an air-tight seal and mechanical connection for ducts and fittings is disclosed. The duct joining system includes a flexible gasket affixed to a male end of a duct or fitting. The flexible gasket is affixed at an angle relative to normal of the male end of the duct. The female end of the other duct includes a raised bead in which the flexible gasket is seated when the ducts are properly joined. The angled flexible gasket seated in the raised bead forms an air-tight seal as well as fastens or locks the male end to the female end. Alternatively, when a flexible duct is used, a band clamp with a raised bead is clamped over the female end of the flexible duct and over the male end of a fitting to provide an air tight seal and fastened connection.

Research Organization:
PROCTOR ENGINEERING GROUP
DOE Contract Number:
FG03-97ER86061
Assignee:
Proctor, John P. (Fairfax, CA)
Patent Number(s):
US 6193285
Application Number:
09/450893
OSTI ID:
879625
Country of Publication:
United States
Language:
English

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