H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/28
H05B 3/58 (2006.01) F16L 53/00 (2006.01)
Patent
CA 1184226
ELECTRICALLY HEATED INSULATED HOSE Abstract of the Disclosure A flexible heated hose for transporting molten adhesive from a melter to a dispenser. The hose comprises a Teflon tube contained within stainless steel braided wire and fitted with conventional hydraulic fittings at each end. The braided tube is encased within a multiple ply covering which includes electric- al heating wires and a temperature sensor adhered between two plies of helically wound fiberglass tape. This tape is covered by multiple plies of helically wound, double thickness fiberglass paper between the plies of which there are embedded spiral wound electrical leads to the dispenser. The fiberglass paper layer is encased within two layers of helically wound polyester felt, a layer of vinyl tape, and a braided polyester cover. Hard molded plastic cuffs are attached to the ends of the hose. The electrical leads extend radially from the hose through holes in the cuffs. Electrical plug-in adapters are attached to the ends of the electrical leads.
413888
Baker Robert G.
Jameson Calvin R.
Corporation Nordson
Macrae & Co.
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