METHOD AND DEVICE FOR INJECTION MOULDING A PACKAGING CONTAINER PORTION
摘要
<p>The invention relates to a method and a device for injection moulding a thermoplastic packaging container portion connecting with a thermoplastic opening device (16) and connecting with an end portion (20) of a packaging container body (12) which body comprises a thermoplastic material at least in an outer layer. The method comprises the steps of arranging said end portion (20) and at least a portion of said opening device (16) in a cavity (30) formed by bringing together an inner mould part (24) and an outer mould part (26), provide a temperature difference between the opening device (16) and the end portion (20) so that said end portion attains a higher temperature than the opening device (16, inject into the cavity (30) at least one melt (32) of at least a first material, and bring the melt (32) into contact with said opening device (16) and said end portion (20).</p>
申请公布号
WO2008004932(A1)
申请公布日期
2008.01.10
申请号
WO2007SE00586
申请日期
2007.06.15
申请人
TETRA LAVAL HOLDINGS & FINANCE S.A.;ANDREASON, INGMAR;ANDERSSON, PAER;TUVESSON, JOAKIM;MAANSSON, PATRIK