mandrel

JP1831239SActive Publication Date: 2026-07-09株式会社ジャンティールキタカミ
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
株式会社ジャンティールキタカミ
Filing Date
2026-03-12
Publication Date
2026-07-09

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Patent Text Reader

Abstract

As shown in the plan view, this article is a mandrel for manufacturing an octagonal ring that makes use of the Chinese character "八" which spreads outwards. As shown in the reference enlarged plan view, this article shows an octagon with a width of 10 mm in the longitudinal direction and a radius of curvature of R1.00 at each corner portion.
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