Container with product visualization aperture

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United States of America Patent

PATENT NO 10744720
APP PUB NO 20190070790A1
SERIAL NO

15698226

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a method for providing a product viewing window in a container. The container has at least a body ply and a liner ply, wherein the body ply has at least one aperture therethrough. The liner ply is adhered to the inner surface of the body ply and has a portion extending across the aperture, forming a window into the container. The method involves providing a window-finishing machine that comprises at least two platens and, optionally, a machine pocket positioned between them, a heating element extending through at least one of the platens, and a pressurized air device that is adapted to release pressurized air into the container through at least one of the platens. The container is engaged between the platens in an airtight manner and, optionally, the container window is positioned adjacent the inside wall of the machine pocket. The heating element heats the window of the container to the desired temperature, pressurized air is injected into the container such that the window is forced at least partially through the aperture of the container (and optionally into contact with the machine pocket wall), and the container window is then cooled to the desired temperature.

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Patent Owner(s)

  • SONOCO DEVELOPMENT, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clougherty, Kenan James Hartsville, US 9 8

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  • 1 Citation Count
  • B29C Class
  • 59.74 % this patent is cited more than
  • 5 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges15431001308101 - 1011 - 2021 - 3031 - 40010020030040050060070080090010001100120013001400150016001700

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