Paddy field water supply and drainage manhole

JP1827501SActive Publication Date: 2026-05-22SHOWA CONCRETE IND
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
SHOWA CONCRETE IND
Filing Date
2025-09-16
Publication Date
2026-05-22

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Abstract

This product is a paddy field water supply and drainage basin, used as a water supply or drainage basin for paddy fields, as shown in the reference diagram illustrating Example 1.2, by appropriately inserting a plate (weir plate, flow rate adjustment plate, soil retaining plate, etc.) or an automatic water supply device into a plate groove provided on the inside of the side wall.
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