Apparatus for producing propellant charge powder in the form of strands
Patent 4622000 Issued on November 11, 1986. Estimated Expiration Date: 
February 26, 2005. 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.
February 26, 2005. 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 321374 2320243 2342204 3035950 3090196 3574800 3761330 Pyrotechnic smoke charge with preset breaking points and channel ignitor Patent #: 4474715 InventorsAssigneeApplicationNo. 06/705689 filed on 02/26/1985US Classes:425/467, Core, pin or insert member264/177.1, To produce particular cross section (e.g., noncircular, etc.)264/3.2, Rolling to form sheet or rod425/468CORE AND POSITIONING MEANS THEREFORExaminersPrimary: Nelson, Peter A.Attorney, Agent or FirmInternational ClassesC06B 21/00 (20060101)B30B 11/22 (20060101) Foreign Application Priority Data1984-02-28 DEAbstractFor the continuous or discontinuous production of propellant charge powder n strand form with axially parallel channels having a clearly defined identical diameter and reproducible geometry of the channel arrangement, a press is provided, which has at least one cavity, and which is provided in its strand-forming area with a plurality of needles for shaping the channels, said needles being constructed as open hollow needles and are subject to the action of a fluid with a limited overpressure. | |
