Manufacturing device and manufacturing method for absorbent

{
  "publication_number": "US2013062802A1",
  "country": "US",
  "kind": "A1",
  "title": "Manufacturing device and manufacturing method for absorbent",
  "abstract": "An absorbent manufacturing device forms an absorbent by depositing a liquid absorbent fiber and a super absorbent polymer in a deposition part. The absorbent manufacturing device includes: a plurality of suction holes that are provided in the deposition part, wherein the liquid absorbent fiber and the super absorbent polymer flowing inside a scattering duct are deposited in the deposition part by suction; a suction duct that is provided in communication with the suction holes and draws air so that the suction holes perform suction; and a separator that separates a super absorbent polymer of size equal to or larger than a certain size from a flow of air flowing in the suction duct and returns the separated super absorbent polymer to the scattering duct.",
  "claims": [
    "1. An absorbent manufacturing device that forms an absorbent by depositing a liquid absorbent fiber and a super absorbent polymer in a deposition part, the device comprising: a plurality of suction holes that are provided in the deposition part and cause the liquid absorbent fiber and the super absorbent polymer to be deposited in the deposition part by suction, the liquid absorbent fiber and the super absorbent polymer flowing inside a scattering duct; a suction duct that is provided in communication with the suction holes and draws air so that the suction holes perform suction; and a separator that separates a super absorbent polymer of size equal to or larger than a certain size from a flow of air flowing in the suction duct and returns the separated super absorbent polymer to the scattering duct. 2. An absorbent manufacturing device according to claim 1, wherein the separator is a centrifugal separator. 3. An absorbent manufacturing device according to claim 2, wherein: the centrifugal separator includes a flow channel that is provided as a part of the suction duct and that turns spirally; a branched path that is a branch of the flow channel is provided in an portion of the flow channel radially outwardly with respect to a turning-radius direction; by a centrifugal force that acts while flowing through the flow channel, the super absorbent polymer of size equal to or larger than the certain size is moved toward the portion of the flow channel and is guided into the branched path; and the super absorbent polymer of size equal to or larger than the certain size is fed to the scattering duct through the branched path. 4. An absorbent manufacturing method that forms an absorbent by depositing a liquid absorbent fiber and a super absorbent polymer in a deposition part, the method comprising: depositing the liquid absorbent fiber and the super absorbent polymer in the deposition part by suction from a plurality of suction holes, the suction holes being provided in the deposition part, the liquid absorbent fiber and the super absorbent polymer flowing inside a scattering duct; and when the suction holes suck an air by suction of the air of a suction duct that is provided in communication with the suction holes, separating a super absorbent polymer of size equal to or larger than a certain size from an air flowing through the suction duct and returning the separated super absorbent polymer to the scattering duct."
  ],
  "cpc": [
    "A61F 13/15658",
    "B29B 17/0005"
  ],
  "assignees": [
    "GODA HIDEFUMI",
    "TAKEUCHI KENJI",
    "YAMAMOTO HIROKI"
  ],
  "filing_date": "2011-03-17",
  "publication_date": "2013-03-14",
  "priority_date": "2010-03-26",
  "application_number": "US-201113637145-A",
  "family_id": "44673049",
  "citations": [
    "US4495119A",
    "US4950444A",
    "US5102585A",
    "US6802353B2"
  ]
}