A can for packaging food, comprising a metal can body and a diaphragm lid (16) formed of lidding material which comprises a multilayer structure with at least an aluminium layer of from 6 to 90 microns thickness and a bond layer for fixing the lid (16) directly to the can body. One method for forming the can forms the lidding material by using an outwardly extending curl (20) at one end of the metal can body as the draw die. Lidding material which is carried by the body maker punch is drawn around the curl of the can body draw die so as to form the lidding material into a cup shape.
申请公布号
AU2006219982(B8)
申请公布日期
2011.12.08
申请号
AU20060219982
申请日期
2006.02.20
申请人
CROWN PACKAGING TECHNOLOGY, INC
发明人
CAUNTER, NICHOLAS;GLEDHILL, TANYA;MAXWELL, IAN;RIVIERE, MAURICE