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Patent Searching and Data


Title:
RETRACTION AND EXTENSION SYSTEM, ATTACHMENT DRUM, AND PROCESSING METHOD FOR TIRE BEAD ATTACHMENT AND MOLDING
Document Type and Number:
WIPO Patent Application WO/2021/208988
Kind Code:
A1
Abstract:
An attachment drum retraction and extension system, an adjustable-size attachment drum and a processing method for tire bead attachment and molding, implementing highly efficient processing of attachment between bead filler and a bead in order to solve such problems in traditional attachment drums as low efficiency, low quality, and poor versatility. In order to achieve said goal, the solution is to provide a retraction and extension system, and an adjustable-size attachment drum containing the retraction and extension system, the retraction and extension system comprising an air cylinder power system and a retraction and extension mechanism; and the adjustable-size attachment drum further comprising a limiting main shaft system.

Inventors:
CHEN YILIN (CN)
ZHANG JUN (CN)
JI CHUN (CN)
ZHENG YOUZHU (CN)
LU HUASHENG (CN)
Application Number:
PCT/CN2021/087321
Publication Date:
October 21, 2021
Filing Date:
April 14, 2021
Export Citation:
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Assignee:
GUILIN RUBBER INDUSTRY R&D INST CO LTD (CN)
International Classes:
B29D30/48
Foreign References:
CN111391380A2020-07-10
CN111391379A2020-07-10
CN106182849A2016-12-07
CN211892084U2020-11-10
US20030047284A12003-03-13
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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