US 11,915,842 B2
Flange, insulator and insulated support post
Bin Ma, Nantong (CN); Chao Liu, Nantong (CN); Jiang Fang, Nantong (CN); Guiyan Ni, Nantong (CN); Shuchen Zhou, Nantong (CN); and Xuejun Cai, Nantong (CN)
Assigned to JIANGSU SHEMAR ELECTRIC CO., LTD., Nantong (CN)
Appl. No. 17/055,084
Filed by JIANGSU SHEMAR ELECTRIC CO., LTD., Nantong (CN)
PCT Filed Mar. 19, 2019, PCT No. PCT/CN2019/078755
§ 371(c)(1), (2) Date Nov. 12, 2020,
PCT Pub. No. WO2019/242350, PCT Pub. Date Dec. 26, 2019.
Claims priority of application No. 201820964869.1 (CN), filed on Jun. 20, 2018.
Prior Publication US 2021/0125755 A1, Apr. 29, 2021
Int. Cl. H01B 17/14 (2006.01); H01B 17/36 (2006.01); H01B 17/38 (2006.01)
CPC H01B 17/14 (2013.01) [H01B 17/36 (2013.01); H01B 17/38 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A flange connected to an end of an insulating tube, comprising:
a flange plate abutting against the end of the insulating tube, the flange plate including a groove recessed toward an inside of the insulating tube and in communication with the insulating tube, wherein the groove is a stepped hole and a boss is provided in the stepped hole;
an inflation valve disposed in the groove, and including a fastening nut abutting against a boss surface of the boss; and
a sealing material disposed the groove and covering the inflation valve.