Sheet manufacturing apparatus

US9951473B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9951473-B2
Application numberUS-201715673810-A
CountryUS
Kind codeB2
Filing dateAug 10, 2017
Priority dateOct 1, 2013
Publication dateApr 24, 2018
Grant dateApr 24, 2018

How to read this patent

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A sheet manufacturing apparatus includes a first sieve that has a first opening for screening a defibrated material that is defibrating-processed, a second sieve that has a second opening having a size equal to or greater than a size of the first opening and refines the defibrated material passing through the first sieve by causing the defibrated material to pass through the second opening, and a belt on which the defibrated material passing through the second sieve is deposited.

First claim

Opening claim text (preview).

The invention claimed is: 1. A sheet manufacturing apparatus comprising: a first sieve that has a first opening for screening a defibrated material that is defibrating-processed; a second sieve that has a second opening having a size equal to or greater than a size of the first opening and refines the defibrated material passing through the first sieve by causing the defibrated material to pass through the second opening; and a belt on which the defibrated material passing through the second sieve is deposited. 2. The sheet manufacturing apparatus according to claim 1 , wherein the size of the second opening is greater than the size of the first opening. 3. The sheet manufacturing apparatus according to claim 1 , wherein the size of the second opening is equal to the size of the first opening. 4. The sheet manufacturing apparatus according to claim 1 , wherein an upper limit of the size of the second opening is 5 mm. 5. The sheet manufacturing apparatus according to claim 1 , wherein the first sieve has a cylindrical shape on which the first opening is formed. 6. The sheet manufacturing apparatus according to claim 1 , wherein the second sieve has a cylindrical shape on which the second opening is formed. 7. The sheet manufacturing apparatus according to claim 1 , further comprising: a feeder which supplies a resin to a path in which a passed material passing through the first sieve is directed to the second sieve.

Assignees

Inventors

Classifications

  • Distributing or orienting the particles or fibres · CPC title

  • Drum screens · CPC title

  • Straining or screening the pulp · CPC title

  • B07B13/00Primary

    Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices (grading eggs A01K43/04) · CPC title

  • Films or sheets · CPC title

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Frequently asked questions

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What does patent US9951473B2 cover?
A sheet manufacturing apparatus includes a first sieve that has a first opening for screening a defibrated material that is defibrating-processed, a second sieve that has a second opening having a size equal to or greater than a size of the first opening and refines the defibrated material passing through the first sieve by causing the defibrated material to pass through the second opening, and…
Who is the assignee on this patent?
Seiko Epson Corp
What technology area does this patent fall under?
Primary CPC classification B07B13/00. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Apr 24 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).