Reel, method of manufacturing the same, and method of manufacturing reel component member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10167169
APP PUB NO 20160284378A1
SERIAL NO

15018865

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reel comprises a bottomed circular tube shaped hub that has an outer peripheral face for winding a recording tape around; a first flange that is integrally molded to one end portion of the hub; a second flange that is joined to another end portion of the hub; a plurality of hole portions that are provided at equal intervals on a ring shaped reel gear formed at a lower face of a bottom plate of the hub; and a gate mark that is formed at the bottom plate of the hub, further to a radial direction inside than an inner peripheral face of the hub, wherein a difference in surface roughness between a weld portion and a non-weld portion on the outer peripheral face of the hub is 0.25 μm or less.

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First Claim

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Patent Owner(s)

  • FUJIFILM CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sumiya, Yosuke Kanagawa, JP 46 89

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