Matches 1 - 13 out of 13


Match Document Document Title
US20130221667 Dual Purpose Dimple for HVAC Circular Ductwork  
This invention relates to sealing HVAC ductwork along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism.
US20110156387 DUCT AND THE MANUFACTURING METHOD  
A duct is provided which there is no need to attach any reinforcing material to. This duct has a hollow 5 formed by joining a plurality of flat wall plates 11 to 14 so that the interior surfaces...
US20070210579 SYSTEMS AND METHODS FOR REINFORCING JOINED SEGMENTS OF DUCT WORK  
Systems and methods for reinforcing joined segments of duct work for enabling a secured seal between two duct segments is provided. The device comprises a non-circular duct segment having a...
US20080174114 Angle Plate or Corner for Securing Flanges  
A corner (also known as angle flange) used to connect ducts together. The corner has an oblong or oval shaped button to help prevent rocking/play/loose movement thus providing a more...
US20060208490 Threaded ductwork  
Ductwork for directing the flow of a gas includes a first threaded duct having a male threaded portion and a second threaded duct having a female threaded portion. The first threaded duct is...
US20050017507 HVAC saddle tap fitting with rotatable collar  
A saddle tap fitting formed from sheet metal for attaching an HVAC branch line to a circular or flat-oval main trunk line. The fitting includes a cylindrical collar rotatably attached to a body...
US20070236018 Method for joining parts fabricated via selective laser sintering while maintaining proper alignment  
Mating air ducts may be joined to each other via an integrally formed protrusion on male air duct and an integrally formed groove on a female air duct for effecting linear and angular alignment of...
US20080134745 RECTANGULAR/SQUARE SPIRAL DUCTING SYSTEMS WITH FLANGE CONNECTORS  
A duct structure (50), includes lengths of square/rectangular duct (52) manufactured by performing spiral duct in round cross-section (51) and then transforming the round cross-section into square...
US20080012342 Industrial modular ductwork system  
A modular, uniform system for the design, manufacture, transporting and installation of ductwork has uniform modules that are reinforced with stiffeners and coupled together in pairs. The module...
US20070090647 Connecting device and process for the manufacture of ducts for heating, conditioning, ventilation and similar applications  
It is disclosed a connecting device for the manufacture of ducts for heating, conditioning, ventilation comprising a plate-like element (2) which is provided, on a face (2a) thereof at opposite...
US20060208489 Watertight joint  
A article (10) formed at least partially from at least one metal sheet incorporates at least one lockseam (20) that interconnects adjacent edge margins (18 and 19) of the sheet 17. The lockseam...
US20080012341 Duct mating assembly  
A duct mating assembly includes a first duct having connected side surfaces that define an interior air space. The first duct extends from a first end to a second end. The coupling portion is...
US20070257487 EXHAUST SYSTEM INTERLOCKING MECHANISM  
An interlocking mechanism suitable for use with exhaust components. The mechanism may be provided on pipes, components, adapters or appliances. The mechanism includes an entry channel and a...

Matches 1 - 13 out of 13