Deep-drawable aluminum sheet or strip and method of making same

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United States of America Patent

PATENT NO 4634475
SERIAL NO

06453176

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Abstract

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Deep-drawable aluminum sheet or strip wherein the surface of a roller is blasted with broken cast steel to profile the roller, the roller is used to roll the sheet or strip to impart a microroughness consisting predominantly of steep-flank slender peaks separated by troughs thereto, and the peaks are then soft-annealed.

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Patent Owner(s)

Patent OwnerAddress
AUSTRIA METALL AKTIENGESELLSCHAFTA-5282 BRAUNAU AM INN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fischer, Fritz Freising, DE 5 38

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