GAS-COLLECTING TUBE - ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD

Title:

GAS-COLLECTING TUBE

Document Type and Number:

WIPO Patent Application WO/2022/227709

Kind Code:

A1

Abstract:

A gas-collecting tube (100), comprising a stainless steel main collecting tube (10), a red copper sleeve (20) and a brass joint (30), wherein the red copper sleeve (20) is provided with a first end (21) and a second end (22) arranged opposite each other; the stainless steel main collecting tube (10) is arranged at the first end (21) of the red copper sleeve (20), and is welded to the red copper sleeve (20); and the brass joint (30) is arranged at the second end (22) of the red copper sleeve (20), and is welded to the red copper sleeve (20).

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Inventors:

FENG ZHONGBO (CN)
WANG WENJIE (CN)
LANG ZHUANG (CN)

Application Number:

PCT/CN2022/071623

Publication Date:

November 03, 2022

Filing Date:

January 12, 2022

Export Citation:

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Assignee:

ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)

International Classes:

F24F13/30; F28F19/00; F28F21/08

Domestic Patent References:

WO2020152738A1

2020-07-30

Foreign References:

CN203115316U	2013-08-07
CN203083220U	2013-07-24
CN203115362U	2013-08-07
CN109954996A	2019-07-02
CN203010087U	2013-06-19

Attorney, Agent or Firm:

ADVANCE CHINA IP LAW OFFICE (HANGZHOU) (CN)

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