Breakaway duct coupling

Pipe joints or couplings – Safety release – With frangible or deformable element

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Details

285367, 285408, F16L 3500

Patent

active

044693540

ABSTRACT:
Flanges (12, 14) attached to duct sections mate to form a ribbed portion around the circumference of the ducts. A plurality of U-channel shaped sections (50, 52, 54) are placed over the ribbed portion with a band (40) holding the sections in place, thereby securing the coupling. Each U-channel section is formed of parallel side sections (20, 22) secured to a segment via shearable fasteners (26). A sufficient bending load to the ducts causes shearing of the fasteners thereby releasing the duct coupling.

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