Washers for concrete formwork tightening tools

JP1810022SActive Publication Date: 2025-10-06OKABE CO LTD
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Patent Information

Application Number
JP2025008184D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-10-06
Estimated Expiration
2050-04-23

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Abstract

This product is a washer used to support a sheathing board by attaching it to the threaded rod (bolt) of a concrete formwork fastener and tightening it with a nut, for example, as shown in the reference diagram showing the state of use, thereby pressing a thick-end material with a circular cross section, such as a round pipe, against a shallow beam.
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