Method of making an interengaging fastener member

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United States of America Patent

PATENT NO 5242646
SERIAL NO

07880052

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Abstract

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A method of forming a fastener member having a base and a plurality of headed stems arranged in columns and rows and projecting from the base. The fastener member is formed by injection molding a molten material into a base mold, sacrificial stem mold and head mold, wherein the material is solidified. After the base mold and head mold are removed, the stem mold may be destructively removed to release the fastener member.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANY A DE CORPST PAUL MN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hattori, Jiro Atsugi, JP 30 226
Takagi, Akimitsu Sagamihara, JP 3 90
Torigoe, Shinji Sagamihara, JP 14 294

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