Can manufacture

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United States of America Patent

PATENT NO 9849500
SERIAL NO

14236078

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for manufacture of a metal can body is described in which two or more stretching operations are used so as to reduce the thickness of the central part of a cup base, prior to drawing the cup sidewall and forming a can body. By using two or more stretching operations, it has been found possible to control the thickness of the base without significantly reducing pressure performance of the finished can. Alternative embodiments of apparatus comprising tooling for carrying out this method are also described.

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Patent Owner(s)

  • CROWN PACKAGING TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Monro, Stuart Alexander Oxfordshire, GB 7 109
Presset, Alain St. Gilles, FR 8 46
Vincent, Keith Alan Wiltshire, GB 4 56

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