US 11,911,940 B2
In-mold spraying system and process method
Jianguo Zheng, Hangzhou (CN); Hongwei Zhou, Hangzhou (CN); Jiahui Lu, Hangzhou (CN); Haibo Shen, Hangzhou (CN); Wu Lin, Hangzhou (CN); Binqi Rao, Hangzhou (CN); Hongyuan Ma, Hangzhou (CN); Bo Liu, Hangzhou (CN); Guolin Liu, Hangzhou (CN); and Jia Zhou, Hangzhou (CN)
Assigned to Tederic Machinery Co., Ltd., Hangzhou (CN)
Filed by Tederic Machinery Co.,Ltd., Hangzhou (CN)
Filed on Oct. 3, 2022, as Appl. No. 17/959,192.
Claims priority of application No. 202210117149.2 (CN), filed on Feb. 8, 2022.
Prior Publication US 2023/0302696 A1, Sep. 28, 2023
Int. Cl. B29C 45/16 (2006.01); B29C 45/37 (2006.01); B29C 45/64 (2006.01); B29C 45/26 (2006.01); B29K 75/00 (2006.01); B29C 45/76 (2006.01); B29C 45/78 (2006.01); B29C 45/80 (2006.01); B29K 55/02 (2006.01); B29K 69/00 (2006.01)
CPC B29C 45/1679 (2013.01) [B29C 45/1603 (2013.01); B29C 45/2602 (2013.01); B29C 45/37 (2013.01); B29C 45/641 (2013.01); B29C 45/7653 (2013.01); B29C 45/78 (2013.01); B29C 45/80 (2013.01); B29C 2945/76498 (2013.01); B29C 2945/76535 (2013.01); B29C 2945/76702 (2013.01); B29C 2945/76735 (2013.01); B29K 2055/02 (2013.01); B29K 2069/00 (2013.01); B29K 2075/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. The in-mold spraying system comprising:
a double-inclined mixing nozzle connected obliquely and fixedly with a side surface of a third half-mold through a lateral sealing structure, and connected with a side surface of a first half-mold in an inclined and sealing manner, side surfaces of the first half-mold and the third half-mold are respectively provided with installation inclined surfaces;
the lateral sealing structure comprising a mounting plate and a sealing member, the mounting plate is fixed on an installation inclined surface of the third half-mold and extends on one side of an inner plane of a mold cavity of the third half-mold, the mounting plate and the inner plane of the mold cavity of the third half-mold form a side inclined angle of 95° ˜120°, the sealing member is sleeved on the double-inclined mixing nozzle and is in transition fit with the double-inclined mixing nozzle and the mounting plate respectively; and
a butt sealing groove provided on the installation inclined surface of the first half-mold, the butt sealing groove is in sealing fit with the mounting plate.