Textured ball seat

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11794509
APP PUB NO 20210245543A1
SERIAL NO

16973984

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A metallic ball pen tip for a writing instrument comprising a feeding passage extending in an axial direction, the feeding passage reaching in a recess configured to receive a ball, the recess being defined by a cylindrical wall and a ball seat, wherein the ball seat comprises a plurality of feeding grooves and wherein the ball seat is textured, the texture comprising a plurality of blind holes having a depth equal to or smaller than 50 μm, preferably equal to or smaller than 10 μm, more preferably equal to or smaller than 5 μm, more preferably equal to or smaller than 1 μm, the blind holes having a total surface equal to or greater than 20% of the ball seat, preferably 60% and equal to or smaller than 90% of the ball seat, preferably 85%. A method of manufacturing a metallic ball pen tip.

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Patent Owner(s)

Patent OwnerAddress
SOCIETE BIC14 RUE JEANNE D'ASNIERES CLICHY 92110

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bouchet, Julien Clichy, FR 4 0

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