Core-sheath filaments and methods of printing an adhesive

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United States of America Patent

PATENT NO 11673317
APP PUB NO 20220281159A1
SERIAL NO

17631054

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Abstract

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A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Behling, Ross E Woodbury, US 43 119
Chastek, Thomas Q St. Paul, US 32 21
Kugel, Alexander J Woodbury, US 43 85
Napierala, Mark E St. Paul, US 29 257
Ranade, Shantanu R Woodbury, US 6 2
West, Shaun M St. Paul, US 13 11
Young, Jacob D St. Paul, US 32 54

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