Process for the manufacture of rotationally-symmetrical components from short-fibered molding material
Patent 4271112 Issued on June 2, 1981. Estimated Expiration Date: 
June 21, 1999. 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.
June 21, 1999. 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 1950089 2596364 2993235 3617437 3833698 InventorsAssigneeApplicationNo. 06/050539 filed on 06/21/1979US Classes:264/86, REMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE264/108, ORIENTING OR ALIGNING SOLID PARTICLES IN FLUENT MATRIX MATERIAL264/134, Coating or impregnating workpiece before molding or shaping step264/258, Joining a plurality of superposed fibrous or textile layers264/310By rotation of material or material shaping memberExaminersPrimary: Thurlow, JefferyAttorney, Agent or FirmInternational ClassesB29C 70/14 (20060101)B29C 70/10 (20060101) Foreign Application Priority Data1978-06-24 DEAbstractProcess for producing a high-strength, rotationally-symmetrical component by appending short fibers of glass, carbon or aramid in an organic solvent, and depositing the fiber material in a rotating sieve-like receptacle through a radially movable nozzle. The produced preform is impregnated with a matrix of resin and hardener and pressed into its final shape.Field of SearchORIENTING OR ALIGNING SOLID PARTICLES IN FLUENT MATRIX MATERIALREMOVAL OF LIQUID COMPONENT OR CARRIER THROUGH POROUS MOLD SURFACE By direct application of vacuum or pneumatic pressure Bulk deposition of particles by differential fluid pressure Joining a plurality of superposed fibrous or textile layers Impregnation of batt, sheet, or filament Heat settable impregnant Coating or impregnating workpiece before molding or shaping step By rotation of material or material shaping member | |
