US 12,076,911 B2
Metal-plastic composite pipe compounding device and compounding process
Hefei Xiao, Xiangtan (CN); Xiwei Yin, Xiangtan (CN); Xinai Zhang, Xiangtan (CN); and Anming Luo, Xiangtan (CN)
Assigned to HUNAN ZHENHUI PIPE INDUSTRYCO., LTD, Xiangtan (CN)
Appl. No. 17/915,469
Filed by HUNAN ZHENHUI PIPE INDUSTRY CO., LTD, Xiangtan (CN)
PCT Filed Nov. 23, 2021, PCT No. PCT/CN2021/132230
§ 371(c)(1), (2) Date Sep. 28, 2022,
PCT Pub. No. WO2022/121676, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. 202011444948.8 (CN), filed on Dec. 11, 2020.
Prior Publication US 2023/0147431 A1, May 11, 2023
Int. Cl. B29C 63/34 (2006.01); B29C 63/00 (2006.01); B29L 9/00 (2006.01); B29L 23/00 (2006.01)
CPC B29C 63/34 (2013.01) [B29C 63/0004 (2013.01); B29C 63/0069 (2013.01); B29L 2009/003 (2013.01); B29L 2023/22 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A metal-plastic composite pipe compounding device, comprising a material conveying apparatus, a workbench, and a support apparatus, a clamping assembly and a heating and cooling apparatus which are mounted on the workbench, wherein the clamping assembly may move on the workbench, the material conveying apparatus moves a pipe to be machined into or out of the support apparatus, the support apparatus supports the pipe to be machined and may drive same to ascend or descend, the clamping assembly clamps and seals two ends of the pipe to be machined, and the clamping assembly drives the pipe to be machined to pass through the heating and cooling apparatus.