Title:
WELDING DEVICE FOR PIPELINE
Document Type and Number:
WIPO Patent Application WO/2024/041478
Kind Code:
A1
Abstract:
A welding device (100) for a pipeline comprising an annular pipe fitting (10). A plurality of flame nozzles (11) are spaced apart on the annular pipe fitting, extend towards the center of the annular pipe fitting, and define a space for placing a pipeline to be welded. The plurality of flame nozzles are configured to work simultaneously in a controlled manner for welding the pipeline to be welded. During welding of the pipeline by means of the welding device, the pipeline can be uniformly heated, such that a high welding quality is ensured.
Inventors:
YU KUAN (CN)
Application Number:
PCT/CN2023/114001
Publication Date:
February 29, 2024
Filing Date:
August 21, 2023
Export Citation:
Assignee:
HEFEI HAIER REFRIGERATOR CO LTD (CN)
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER REFRIGERATOR CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
B23K5/00; B23K5/22; B23K37/00
Foreign References:
| CN115338510A | 2022-11-15 | |||
| CN102139395A | 2011-08-03 | |||
| CN202021412U | 2011-11-02 | |||
| CN111570966A | 2020-08-25 | |||
| JP2001330216A | 2001-11-30 | |||
| KR20180086618A | 2018-08-01 | |||
| KR20120129406A | 2012-11-28 | |||
| CN111889846A | 2020-11-06 | |||
| CN202162515U | 2012-03-14 | |||
| CN210548726U | 2020-05-19 | |||
| JPS63248570A | 1988-10-14 |
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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