A device for producing a fibrous sheet, including a water squeezing section which squeezes the dispersion medium from a dispersion to generate a web, and a drying section which dries the web to generate a fibrous sheet, the water squeezing section having multiple first fabric sheets arranged longitudinally along the transport direction of a web substrate that is partway through web generation, and water squeezing units which are provided beneath the multiple first fabric sheets and squeeze the dispersion medium from the dispersion, and in the water squeezing section, a continuous sheet is positioned so as to extend over the upper surface of the multiple first fabric sheets, and the dispersion is discharged onto the upper surface of the continuous sheet.

Claims

14 · 1 independent · depth 5

14 granted claims

›1.independentA device for producing a fibrous sheet from a dispersion containing fine fibers, the device comprising:na water squeezing section which squeezes a dis…+13

›2.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe continuous sheet is a second fabric sheet.d2

›3.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe continuous sheet is composed of a filter material for papermaking disposed …d2+4

›8.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe water squeezing section has side walls which stand upward facing each other…d2

›9.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe first fabric sheets are endless belts.d2

›10.↳ 1The device for producing a fibrous sheet according to claim 1, whereinna drying section which dries the web to generate the fibrous sheet is provided …d2

›11.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnpanel strips that contact lower surfaces of the first fabric sheets are provide…d2

›12.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe plurality of first fabric sheets in the water squeezing section are arrange…d2

›13.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe water squeezing section has a solvent application unit which applies a solv…d2

›14.↳ 1The device for producing a fibrous sheet according to claim 1, whereinnthe first fabric sheets are mesh-like form formed from a wire material, the wir…d2

Classifications

16 codes

IPC · International Patent Classification

Section D — Textiles; paper

D21F1/48
D21F1/00
D21F1/80
D21F1/56
D21F9/00

USPC · US Patent Classification

162/289162/350162/308162/353162/363162/334162/354162/320162/375162/348162/323

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Pendency

2.7 y

977 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Jose Fortuna

art unit 1741 · TC 1700

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Citations: 60 back · 0 forward

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Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130269898 A1	17 Oct 2013

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