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Patent Searching and Data


Title:
CASING ROUND PIPE, APPLICATION THEREOF, AND USE METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/227114
Kind Code:
A1
Abstract:
A casing round pipe, comprising a round pipe body (1). An arc-shaped pressing piece (2) is arranged on each of two sides close to one end of the round pipe body, and a square pressing piece (4) is arranged on each of two sides close to the other end of the round pipe body; each square pressing piece comprises a square pressing piece opening and closing end (401) and a square pressing piece finger pressing end (402), and the square pressing piece opening and closing end and the square pressing piece finger pressing end are integrally connected; the casing round pipe is used as a casing support part, not only focuses a casing unloading function, but also is featured by smoother casing loading.

Inventors:
SHI, LinChong (CN)
Application Number:
PCT/CN2020/091363
Publication Date:
November 18, 2021
Filing Date:
May 20, 2020
Export Citation:
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Assignee:
SHANGHAI LINZHI RUBBER & PLASTIC PRODUCTS CO., LTD. (CN)
International Classes:
A22C11/02; A22C13/00
Attorney, Agent or Firm:
SHANGHAI WEICE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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