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US 2020/0031090 A1Published application
Sheet forming binder, container, sheet forming apparatus, sheet forming method, and powder set
AssigneeSeiko Epson Corporation
InventorsHiroki KURATA, Yoshihiro UENO, Takumi SAGO
Life of this patent
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Abstract
A sheet forming binder includes a first powder and a second powder having a larger volume average particle size than the first powder. The proportion of the first powder is 10.0% by mass or more relative to the total mass of the first powder and the second powder.
Claims13
A sheet forming binder comprising:
- a first powder;
- and
- a second powder having a larger volume average particle size than the first powder,
- wherein the proportion of the first powder is 10.0% by mass or more relative to the total mass of the first powder and the second powder.
1 more element
A sheet forming apparatus comprising:
- a mixing section configured to mix fibers having an average diameter D, a first powder having a volume average particle size d1, and a second powder having a volume average particle size d2 larger than d1 in a gas atmosphere to prepare a mixture;
- a depositing section configured to deposit the mixture mixed in the mixing section;
- and
- a sheet forming section configured to form the mixture deposited in the depositing section into a sheet by heating the mixture,
- wherein d1/D is less than 0.350, and d2/D is from 0.350 to 1.000.
2 more elements
A sheet forming method comprising:
- a mixing step of mixing fibers having an average diameter D, a first powder having a volume average particle size d1, and a second powder having a volume average particle size d2 larger than d1 in a gas atmosphere to prepare a mixture;
- a depositing step of depositing the mixture;
- and
- a sheet forming step of forming the mixture deposited in the depositing step into a sheet by heating the mixture,
- wherein d1/D is less than 0.350, and d2/D is 0.350 to 1.000.
2 more elements
Dependencies are inferred from the claim text.