Stress features for crack redirection and protection in glass containers

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12209049
APP PUB NO 20220017412A1
SERIAL NO

17376867

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Importance

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Abstract

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A glass container comprises a glass body comprising a first region under a compressive stress extending from a surface of the glass body to a depth of compression and a second region extending from the depth of compression into a thickness of the glass body, the second region being under a tensile stress. The glass container also includes a localized compressive stress region having a localized compressive stress extending from the surface to a localized depth of compression within the body. The localized depth of compression is greater than the depth of compression of the first region. The glass container also includes a crack re-direction region extending in a predetermined propagation direction, wherein the crack re-direction region possesses a higher tensile stress than the tensile stress in the second region in a sub-region of the crack re-direction region, the sub-region extending substantially perpendicular to the predetermined propagation direction.

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Patent Owner(s)

Patent OwnerAddress
CORNING INCORPORATEDINTELLECTUAL PROPERTY DEPARTMENT SP-TI-03-1 CORNING NY 14831

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
DeMartino, Steven Edward Painted Post, US 123 2232
Miller, William James Horseheads, US 40 474
Timmons, Christopher Lee Big Flats, US 64 352
Wilcox, David Inscho Mansfield, US 3 26

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