Reinforced flexible plastic tubing and methods of manufacture
Patent 4931326 Issued on June 5, 1990. Estimated Expiration Date: 
April 25, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 25, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1696411 2144082 2761203 2882082 2924471 3018321 3026367 3578764 3812316 Composite structures of knitted glass fabric and thermoplastic polyfluoroethylene resin sheet InventorAssigneeApplicationNo. 185718 filed on 04/25/1988US Classes:428/35.8, Elemental metal containing (e.g., substrate, foil, film, coating, etc.)138/103, COMBINED138/127, With metal138/137, Distinct layers277/651, Embedded reinforcement277/920, SEAL INCLUDING ELECTROMAGNETIC SHIELDING FEATURE428/35.7, Polymer or resin containing (i.e., natural or synthetic)428/36.8, Natural or synthetic rubber or rubber-like compound containing428/36.9, Open-ended, self-supporting conduit, cylinder, or tube-type article428/137, Composite web or sheet428/391, Silane, silicone or siloxane in coating428/447, As siloxane, silicone or silane428/457, Of metal428/913MATERIAL DESIGNED TO BE RESPONSIVE TO TEMPERATURE, LIGHT, MOISTURE, ETC.ExaminersPrimary: Robinson, Ellis P.Assistant: Turner, Archene Attorney, Agent or FirmForeign Patent References
International ClassesB32B 007/00H05K 009/00 35.7 35.8 36.8 36.9 36.71 AbstractFlexible, composite tubular devices of the present invention include a flexible plastic tube and a reinforcing flexible, tubular member at least substantially embedded in the tube, the member having an outer side, an inner side opposing the outer side and surrounding a hollow interior of the member, and a multiplicity of macroscopic pores substantially uniformly distributed around and along the member and extending through the tubular member between the outer and inner sides before the tubular member is incorporated into the composite tubular device of the invention, and the plastic of the tube extending through the pores between the inner and outer sides of the tubular members.Other References
Field of SearchOn each side of strands or strand-portionsIncluding stitching and discrete fastener(s), coating or bond Filled honeycomb cells (e.g., solid substance in cavities, etc.) Composite web or sheet STRUCTURALLY DEFINED WEB OR SHEET (E.G., OVERALL DIMENSION, ETC.) Silane, silicone or siloxane in coating Silane, siloxane or silicone coating As silicone, silane or siloxane As siloxane, silicone or silane Including metal or compound thereof or natural rubber HIGH MODULUS FILAMENT OR FIBER MATERIAL DESIGNED TO BE RESPONSIVE TO TEMPERATURE, LIGHT, MOISTURE, ETC. FIRE OR HEAT PROTECTION FEATURE Heavy metal or aluminum or compound thereof Embodying mechanically interengaged strand(s), strand-portion(s) or strand-like strip(s) (e.g., weave, knit, etc.) | |
