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Patent Searching and Data


Title:
SHOE FORMING PROCESS AND SHOE
Document Type and Number:
WIPO Patent Application WO/2022/217740
Kind Code:
A1
Abstract:
Disclosed are a shoe forming process and a shoe. The shoe comprises a shoe upper portion, a reinforcing layer, and an inflatable sole. The inflatable sole comprises an upper portion of the sole, a lower portion of the sole, and an inflating valve; the edges of the upper portion of the sole and the lower portion of the sole are in butt joint to form a cavity, and the inflating valve is communicated with the cavity. The forming process of the shoe comprises the steps: combining an upper mold, a lower mold, and a middle mold to form an upper mold cavity and a lower mold cavity; vacuumizing the upper mold cavity and the lower mold cavity; injecting, into the upper mold cavity and the lower mold cavity, rubber in which a vulcanizing agent is added, and maintaining for more than 20 seconds; opening the upper mold and the lower mold to move the middle mold out; passing the treated inflating valve through the edge of the lower portion of the sole; combining the upper mold and the lower mold, injecting nitrogen at pressure of at least 2 mpa by means of the inflating valve, and maintaining for more than 250 seconds; discharging nitrogen; opening the upper mold and the lower mold, and moving the inflatable sole out and cooling; adhering the reinforcing layer on the upper surface of the inflatable sole; brushing an adhesive on the bottom wall of the shoe upper portion and the upper surface of the reinforcing layer; and pressing the shoe upper portion on the upper surface of the reinforcing layer.

Inventors:
YANG JUNQI (CN)
HAN JIAN (CN)
WANG YOUCHENG (CN)
LIU CHAO (CN)
DONG BIN (CN)
Application Number:
PCT/CN2021/101122
Publication Date:
October 20, 2022
Filing Date:
June 21, 2021
Export Citation:
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Assignee:
ANTA CHINA CO LTD (CN)
International Classes:
B29D35/00; A43B3/00; A43B13/14; A43B13/20
Foreign References:
CN107148230A2017-09-08
CN107791552A2018-03-13
CN104287296A2015-01-21
CN111070749A2020-04-28
CN205699175U2016-11-23
Attorney, Agent or Firm:
XIAMEN LONGER PATENT ATTORNEYS OFFICE (CN)
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