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Patent Searching and Data


Title:
PRODUCTION EQUIPMENT FOR FIBER REINFORCED COMPOSITE PIPE
Document Type and Number:
WIPO Patent Application WO/2023/103109
Kind Code:
A1
Abstract:
Production equipment for a fiber reinforced composite pipe, comprising a molding die (1), the molding die (1) comprising an outer die sleeve (1a), a core die (1b), a sizing sleeve (1c) connected to the outlet end of the outer die sleeve (1a), and an air inlet channel (2) connected to the inner cavity of the sizing sleeve (1c), a molding cavity (3) being formed between the outer die sleeve (1a) and the core die (1b), and further comprising an outer pipe (4) and a winding machine (5) capable of wrapping reinforcing fibers on the outer peripheral wall of the outer pipe (4), the tail end of the outer pipe (4) extending into the outer die sleeve (1a) from the entrance end of the outer die sleeve (1a), an annular cavity (6) directly facing the molding cavity (3) being formed between the outer peripheral wall of the outer pipe (4) and the inner peripheral wall of the outer die sleeve (1a), and an air inlet pipe (7) communicating with the air inlet channel (2) being provided inside the outer pipe (4). The production equipment can improve the strength of the fiber reinforced composite pipe while ensuring the stability of the product size.

Inventors:
CHEN WEI (CN)
WANG PENGYUE (CN)
SUN HUALI (CN)
LI HUI (CN)
WENG ZHIHAO (CN)
LI QIAN (CN)
Application Number:
PCT/CN2021/141395
Publication Date:
June 15, 2023
Filing Date:
December 25, 2021
Export Citation:
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Assignee:
ERA CO LTD (CN)
International Classes:
B29C70/52; F16L9/14; F16L57/02
Foreign References:
CN104185758A2014-12-03
CN206357607U2017-07-28
CN103009604A2013-04-03
CN103568241A2014-02-12
JPH07256779A1995-10-09
US5607701A1997-03-04
Attorney, Agent or Firm:
TAIZHOU FANGYUAN PATENT ATTORNEY FIRM (GENERAL PARTNERSHIP) (CN)
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