US 11,679,559 B2
Three-dimensional printing apparatus and manufacturing method thereof
Tsung Yu Liu, Hsinchu (TW)
Assigned to Young Optics Inc., Hsinchu (TW)
Filed by Young Optics Inc., Hsinchu (TW)
Filed on Mar. 24, 2020, as Appl. No. 16/827,712.
Prior Publication US 2021/0299960 A1, Sep. 30, 2021
Int. Cl. B29C 64/364 (2017.01); B33Y 30/00 (2015.01); B29C 64/264 (2017.01); B29C 64/135 (2017.01)
CPC B29C 64/364 (2017.08) [B29C 64/135 (2017.08); B29C 64/264 (2017.08); B33Y 30/00 (2014.12)] 9 Claims
OG exemplary drawing
 
1. A three-dimensional printing apparatus, comprising:
a tank, for accommodating a photocurable material;
a transparent plate, disposed adjacent to the tank;
a printing platform, disposed on one side of the transparent plate;
a projector, disposed on the other side of the transparent plate; and
a wind pipe, disposed adjacent to the tank and for directly providing a cold air to a printed object.