Plasticizing device
AssigneeSeiko Epson Corporation
InventorMasayuki Takahashi
Life of this patent
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Abstract
A plasticizing device includes a flat screw that has a groove formation surface formed with a groove and is rotated about a rotation axis, a barrel that has a facing surface facing the groove formation surface and is formed with a communication hole, and a heating unit configured to heat a material supplied between the flat screw and the barrel. The barrel has a separate structure including a first member having the facing surface and a second member separated from the facing surface, a space is defined between the first member and the second member, and the heating unit is disposed in the second member.
Claims6
A plasticizing device comprising:
- a flat screw that has a groove formation surface formed with a groove and is rotated about a rotation axis;
- a barrel that has a facing surface facing the groove formation surface and is formed with a communication hole;
- and
- a heating unit configured to heat a material supplied between the flat screw and the barrel, wherein
- the barrel has a separate structure including a first member having the facing surface and a second member separated from the facing surface,
- a space is defined between the first member and the second member,
- the heating unit is disposed in the second member,
- a cooling flow path through which a cooling medium flows is formed along an outer periphery of the flat screw, and
- the barrel is provided with a hole through which the cooling flow path communicates with the space.
Dependencies are inferred from the claim text.