Preform with variable fiber density, forming and molding tool and method for forming of composite materials

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12257788
APP PUB NO 20240140052A1
SERIAL NO

17977083

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Abstract

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A method for fabricating a composite panel includes providing a preform including a peripheral edge portion and a central portion. The central portion has a first thickness, the peripheral edge portion has a second thickness that is greater than the first thickness, and a first step is arranged between the central portion and the peripheral edge portion. The method includes providing a tool including a binder defining a second step, an upper punch, and a lower tool; arranging the preform between the binder and the upper punch and the lower tool; shaping the preform using the tool; and injection molding the preform in the tool to create the composite panel.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLC300 RENAISSANCE CENTER DETROIT MI 48265-3000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aitharaju, Venkateshwar R Troy, US 37 63
Golm, Erik Brandon Sterling Heights, US 12 4
Huang, Xiaosong Novi, US 143 1768

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