Patent ID: 6092554
Filing Date: 2000-07-25
Classification: B29C,C08L,F16L

Abstract:
A hose made by the process which comprises (1) extruding a rubber composition into the form of a tube, wherein the rubber composition is comprised of (a) a polyethylene/polypropylene alloy comprised of (i) low melt index polyethylene having a melt index which is within the range of about 0.05 g/10 minutes to about 1.5 g/10 minutes and (ii) polypropylene, wherein the polypropylene is homogeneously dispersed throughout the polyethylene in the polypropylene/polyethylene alloy, (b) an EPDM rubber, (c) carbon black, (d) at least one curative, (e) zinc oxide, (f) a processing oil and (g) stearic acid; (2) shaping the tube into the geometric form desired for the hose; and (3) curing the rubber composition at a temperature within the range of 130.degree. C. to 210.degree. C. to produce the hose; wherein said hose has a burst strength of at least 140 pounds per square inch and wherein said hose is void of fabric reinforcement.