F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/16 (2006.01)
Patent
CA 2391022
A flexible metal hose formed by a helically wound metal having an "S" shaped cross-section. The strip is provided with projections and recessions, with projections and recessions of adjoining convolutions meshed, enabling hose flexure without unwrapping. First and second resiliently engaged sealing surfaces extend helically along the hose to block leakage via the projections and recessions. In one embodiment the sealing surfaces are formed on a lip of one convolution and a body portion of the adjoining convolution. A second embodiment is a "smooth bore" hose having a first helical strip, constructed as described, and a second helical strip with first and second smoothly cylindrical axially spaced radially inner and outer regions. One region forms the smooth bore and the other is resiliently engaged between the radially outer lip of the first strip and the radially outer first strip body portion of the adjoining convolution to form the seal.
Foti Sam J.
Foti Santo
Hose Master Inc.
Ridout & Maybee Llp
LandOfFree
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