{
  "patent_number": "US RE45965",
  "country": "US",
  "title": "How a Diverter Valve Switches Between Two Extruded Materials",
  "original_title": "USRE45965E1 - Diverter valve",
  "summary": "A specialized valve that manages the flow of two different melted materials into a mold, allowing for precise switching and flushing during industrial manufacturing.",
  "what_it_does": "This patent describes a mechanical valve used in manufacturing processes like co-extrusion, where one material is coated over another. The valve body contains a piston that slides between two positions to redirect the flow of two separate materials from their respective inlets to specific outlets. It includes integrated flushing channels that allow material to flow through the system even when the main path is closed, which prevents the materials from hardening or stagnating inside the valve. By using a series of through-channels and cross-over channels, the valve ensures that the materials are routed correctly to the mold depending on the piston's position.",
  "what_it_does_not_cover": [
    "Does not cover valves that do not utilize a sliding piston mechanism for flow redirection.",
    "Does not cover systems that lack the specific flushing channel configuration described for preventing material stagnation.",
    "Does not cover general-purpose fluid valves that are not designed for high-viscosity extruded materials.",
    "Does not cover non-mechanical or electronic flow control systems."
  ],
  "filed": "2015-02-20",
  "granted": "2016-04-05",
  "expires": null,
  "status": "active",
  "holder": "PROCESSING TECHNOLOGIES LLC",
  "holder_url": "https://patentbrief.org/company/processing-technologies-llc",
  "inventors": [
    {
      "name": "Mitchell L. Gritzner",
      "url": "https://patentbrief.org/inventor/mitchell-l-gritzner"
    },
    {
      "name": "Dana R. Hanson",
      "url": "https://patentbrief.org/inventor/dana-r-hanson"
    }
  ],
  "times_cited": 0,
  "tags": [
    "mechanical",
    "manufacturing"
  ],
  "abstract": "A diverter valve controlling input of two different extruded materials has a valve body having an axially extending opening, and a valve piston axially movable in the opening between first and second positions. The body defines a first inlet for receiving a first material, and a second inlet for receiving a second material with first and second outlets opposite the inlets. The piston has first and second through channels and first and second cross-over channels, each with inlet side and outlet side ports. A first flushing channel communicates with the first inlet and end ports, a second flushing channel communicates with the second inlet and end ports, and a third flushing channel opposite the first two communicates with the second outlet and includes a plurality of ports, with all the ports, inlets and outlets open to the axial opening.",
  "url": "https://patentbrief.org/patent/us/RE45965/hero-camera-eis",
  "markdown_url": "https://patentbrief.org/patent/us/RE45965/hero-camera-eis/md",
  "google_patents_url": "https://patents.google.com/patent/USRE45965",
  "relatedPatents": []
}