JP2017014661A5 - - Google Patents

Claims (8)

A defibrating unit for defibrating raw materials containing fibers in the atmosphere ;
A plurality of openings rotation, a deposition unit having a drum portion which lowered the defibrated fibers passed through the opening by the defibrating unit,
A web forming unit that has a mesh belt for depositing the defibrated fibers that have passed through the opening of the drum unit, and forms a web on the mesh belt;
A pair of rollers that sandwich and convey the web, and a sheet forming unit that forms a sheet from the web;
A sheet manufacturing apparatus comprising:
A sheet manufacturing method comprising: a control unit that activates the drum unit in a state where the mesh belt is stopped to deposit the defibrated fibers on the mesh belt, and then activates the mesh belt. apparatus. The web forming unit is
A suction part for sucking the mixture onto the mesh belt;
A collection unit for collecting waste powder sucked by the suction unit and passed through the mesh belt;
Have
The sheet manufacturing apparatus according to claim 1, wherein the control unit activates the suction unit before activating the drum unit. The sheet manufacturing apparatus of Claim 1 or Claim 2 which has a mixing part which mixes the said fibrillated fiber and resin in air | atmosphere. 4. The sheet manufacturing according to claim 3 , wherein the control unit activates the defibrating unit and the mixing unit to cause the mixture to stay in the drum unit, and then activates the drum unit. 5. apparatus. Wherein, the thickness of the web of the tip, characterized in that activating the mesh belt before beyond the standard thickness, the sheet manufacturing apparatus according to any one of claims 1 to 4 . Has a resin supply section for supplying the trees fat to defibrated fibers by the defibrating unit,
When the control unit starts the sheet manufacturing apparatus, the control unit starts the drum unit in a state where the resin supply by the resin supply unit is stopped, and deposits the defibrated fibers on the mesh belt. The sheet manufacturing apparatus according to any one of claims 1 to 5 , wherein the sheet manufacturing apparatus is characterized. A defibrating process for defibrating raw materials containing fibers in the atmosphere ;
The defibrated fibers in the previous SL defibration step, introduced into a drum portion having a plurality of openings which rotates, a deposition step of lowering by passing said opening,
A web forming step of forming the web by depositing the defibrated fibers that have passed through the opening of the drum portion on a mesh belt;
A sheet forming step of sandwiching and transporting the web by a pair of rollers and forming a sheet from the web;
Including
The sheet manufacturing method, wherein the fibrillated fibers are deposited on the mesh belt while the mesh belt is stopped, and then the mesh belt is activated to form the sheet. A defibrating unit for defibrating raw materials containing fibers in the atmosphere ;
A plurality of openings rotation, a deposition unit having a drum portion which lowered the defibrated fibers passed through the opening by the defibrating unit,
A web forming unit that has a mesh belt for depositing the defibrated fibers that have passed through the opening of the drum unit, and forms a web on the mesh belt;
A pair of rollers that sandwich and convey the web, and a sheet forming unit that forms a sheet from the web;
A method of controlling a sheet manufacturing apparatus comprising:
The control method of starting the drum part in the state which stopped the mesh belt, depositing the fibrillated fiber on the mesh belt, and starting the mesh belt after that.