Provided is an article comprising a flexible tube having an inner surface, an outer surface, a first end and a second end, the inner surface at least partially covered with a low friction material. Also provided is an article comprising a cold shrinkable sleeve disposed on a tubular support core in
Provided is an article comprising a flexible tube having an inner surface, an outer surface, a first end and a second end, the inner surface at least partially covered with a low friction material. Also provided is an article comprising a cold shrinkable sleeve disposed on a tubular support core in a stretched condition, at least a portion of the cold shrinkable sleeve folded such that at least one portion of the cold shrinkable sleeve overlaps another portion of the cold shrinkable sleeve, wherein a flexible tube having an inner surface, an outer surface, a first end and a second end, the inner surface at least partially covered with a low friction material, is positioned between the overlapping portions of the cold shrinkable sleeve.
대표청구항▼
1. An article comprising: a cold shrinkable sleeve disposed on a tubular support core in a stretched condition, at least a portion of the cold shrinkable sleeve folded such that at least one portion of the cold shrinkable sleeve overlaps another portion of the cold shrinkable sleeve, wherein a flexi
1. An article comprising: a cold shrinkable sleeve disposed on a tubular support core in a stretched condition, at least a portion of the cold shrinkable sleeve folded such that at least one portion of the cold shrinkable sleeve overlaps another portion of the cold shrinkable sleeve, wherein a flexible tube is positioned between the overlapping portions of the cold shrinkable sleeve, the flexible tube comprising an inner surface, an outer surface, a first end and a second end, the inner surface at least partially covered with a low friction material. 2. The article of claim 1 wherein the first and second ends of the tube are joined to form a closed tube. 3. The article of claim 2 wherein the first and second ends of the tube are heat sealed to each other. 4. The article of claim 3 wherein the heat seal forms a seam perpendicular to the longitudinal axis of the closed tube. 5. The article of claim 3 wherein the heat seal forms a seam parallel to the longitudinal axis of the closed tube. 6. The article of claim 2 wherein the first and second ends of the tube are taped together. 7. The article of claim 1 wherein the flexible tube comprises one or more materials selected from the group consisting of heat sealable thermoplastics, thermoplastic elastomers, and elastomers. 8. The article of claim 7 wherein the flexible tube comprises one or more materials selected from the group consisting of polyethylene, polypropylene, butyl rubber, silicone, and EPDM. 9. The article of claim 1 wherein the low friction material is selected from the group consisting of fluids, particulates, films or a combination thereof. 10. The article of claim 9 wherein the fluid comprises one or more of a surfactant, a soap, a grease, a thixotropic oil, pressurized gas, a lubricating gel, a lubricating paste, a lubricating polymer, a synthetic lubricant, a vegetable oil or lubricant, a mineral oil or lubricant, and combinations thereof. 11. The article of claim 10 wherein the thixotropic oil is silicone oil. 12. The article of claim 9 wherein the particulate comprises one or more of talc, graphite or graphite powder, carbon black, glass beads, microspheres or microbeads, ball bearings, and combinations thereof. 13. The article of claim 1 wherein the low friction material is a film that is permanently adhered to the inner surface of the flexible tube. 14. The article of claim 13 wherein the low friction material is selected from the group consisting of polytetrafluoroethylene, silicone polymers, polyethylene, and polypropylene. 15. The article of claim 1 wherein the flexible tube comprises a high friction material. 16. The article of claim 15 wherein the high friction material is selected from the group consisting of thermoplastics, thermoelastomers, and elastomers.
Palmqvist Lars I. (Alingss SEX) Svensson Bolennart A. (Alingss SEX), Pliable sleeve which is turned inside out and lubricated when fitted on a core and method of installing same.
Chang Rong J. (Fremont CA) Gutierrez Mario A. (Union City CA) Hoffman John W. (Menlo Park CA) Midgley John A. (San Carlos CA), Recoverable elastomeric sleeve and method for installation and use.
Vaidya Deepak V. ((Sailee) Plot No. 9 ; Baner Road Pune ; Maharashtra 411007 IN), Rotational molding process for forming a closed hollow toroidal article.
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