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1. (WO2015126401) BOTTOM EXPANSION STATION

Pub. No.:    WO/2015/126401    International Application No.:    PCT/US2014/017404
Publication Date: Fri Aug 28 01:59:59 CEST 2015 International Filing Date: Fri Feb 21 00:59:59 CET 2014
IPC: B21D 24/02
B21D 24/04
B21D 22/22
Applicants: SILGAN CONTAINERS LLC
Inventors: BAKER, Gerald J.
MOORE, Michael Patrick
Title: BOTTOM EXPANSION STATION
Abstract:
A bottom expansion station is provided. The station provides a blank support, a punch having a central recess configured to punch a blank through the blank support forming a cup, and a pressure exertion medium including a material through which pressure is exerted on a portion the end wall of the cup to increase the area of the end wall. The material is configured to be deformed by the end wall when pressure is exerted through it on the portion of the end wall.