Patent · US Active

Sheet manufacturing apparatus

US10100466B2 · kind B2 · utility

5Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2016
Grant dateOct 16, 2018
Priority date
Expiry dateMay 21, 2036

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/64
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A sheet manufacturing apparatus includes a crusher unit, a defibrator unit, a second web forming unit, and a shaping unit. The crusher unit coarsely crushes a raw material that contains fibers into coarsely crushed pieces. The defibrator unit defibrates coarsely crushed pieces into defibrated material. The second web forming unit forms a web by accumulating defibrated material. The shaping unit forms a sheet from the web. The crusher unit is positioned vertically below the shaping unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.