水抜き配管装置
JP7891863B2Active Publication Date: 2026-07-17MAEZAWA KASEI IND
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- MAEZAWA KASEI IND
- Filing Date
- 2022-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
Benefits of technology
【0098】 [作用·効果] 以上説明したように、本発明の
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Figure 0007891863000001 
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Figure 0007891863000003
Abstract
To provide a draining piping device causing little positional displacement by concrete pressure, and excellent in workability.SOLUTION: A draining piping device 111 communicates a space surrounded by a rising part 3 of foundation concrete 1 of a building with an outer part of the foundation concrete 1, and has multiple pipe bodies (for example, an outer sleeve pipe 121 and an inner sleeve pipe 122) connected to each other and an expansion rubber 150 as an elastic body. The expansion rubber 150 is arranged between the outer sleeve pipe 121 and the inner sleeve 122 connected to each other.SELECTED DRAWING: Figure 2
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