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AssigneeDayco Corporation
InventorsAlfred R. Phillips, Arthur D. Logan
Estimating the term…
A hose construction having means for dissipating static electricity and method of making same are provided and such hose construction comprises a polymeric inner tubular layer, a braided layer disposed against the inner tubular layer and comprised of a plurality of filaments, and an electrically conductive layer made of carbonaceous particles overlying the braided layer and including particles dispersed between the filaments, the particles are disposed in overlapped relation in layer form and enable relative movement therebetween while maintaining electrical continuity to enable dissipation of the static electricity. The hose construction may comprise an additional braided layer disposed around the electrically conductive layer and sandwiching the electrically conductive layer between the braided layers as well as a protective layer disposed around the entire hose construction.
A hose construction having means for dissipating static electricity and comprising, a polymeric inner tubular layer, a braided layer disposed against said inner tubular layer and comprised of a plurality of filaments, and an electrically conductive layer made of carbonaceous particles overlying said braided layer and including carbonaceous particles dispersed between said filaments, said particles being disposed in overlapped relation in layer form enabling relative movement therebetween while maintaining electrical continuity to enable dissipating said static electricity.
A hose construction having means for dissipating static electricity and comprising, a polymeric inner tubular layer, a first braided layer disposed against said inner tubular layer and comprised of a first set of filaments, a second braided layer disposed around said first braided layer and comprised of a second set of filaments, and an electrically conductive layer made of carbonaceous particles disposed between said braided layers and betwen the filaments of each of said braided layers, said particles being disposed in overlapped relation in layer form enabling relative movement therebetween during flexing movement of said hose construction yet maintaining electrical continuity to enable dissipation of said static electricity.
A method of making a flexible hose construction for dissipating static electricity built up thereon, said method comprising the steps of, providing a polymeric inner tube, braiding a first braided layer against said tube, placing the tube with the first braided layer thereon in contact with a dispersion containing carbonaceous particles disposed therethrough causing said carbonaceous particles to form an electrically conductive layer around said first braided layer and between filaments comprising said first braided layer, braiding a second braided layer around the electrically conductive layer to sandwich the electrically conductive layer between said first and second braided layers, and drying the hose construction.
Dependencies are inferred from the claim text.