Internal Sub-pipe Joint
JP1727195SActive Publication Date: 2025-10-20MAEZAWA KASEI IND
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Patent Information
- Application Number
- JP2022003405D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2022-02-22
- Publication Date
- 2025-10-20
- Estimated Expiration
- 2046-08-02
Smart Images

Figure 0001727195000001 
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Abstract
The article is an internal secondary pipe joint that is attached to the inner wall surface of a manhole.
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