Coupling device for attaching a hose to ductwork

Details Coupling device for attaching a hose to ductwork Coupling device for attaching a hose to ductwork

1997-07-16

1999-05-11

Nicholson, Eric K.

Pipe joints or couplings

With assembly means or feature

Handle or handwheel for rotary engagement

2851361, 285210, 74543, 267153, 292240, F16L5/00

Patent

active

059019859

ABSTRACT:
A duct hose coupling device for attaching a hose to a ductwork structure. The device selectively attaches and detaches the hose without use of fastening hardware. Attachment of a hose via the duct hose coupling device allows air to be efficiently forced into or withdrawn from the ductwork structure. The device retains its high efficiency over prolonged periods of usage by isolating critical moving components from exposure to contaminants and unwanted debris.

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patent: 5209523 (1993-05-01), Godeau
patent: 5299814 (1994-04-01), Salpaka
patent: 5586789 (1996-12-01), Bently
patent: 5752724 (1998-05-01), Bormioli

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