发明名称 Double-Walled Paperboard Cup
摘要 Described is a stackable, heat-insulating paperboard cup having an inner sleeve and an outer sleeve with a gap therebetween. A rolled lip is applied to the lower end of the outer sleeve, which rolled lip is disposed on the inner sleeve. A shoulder is formed on the inner sleeve for the rolled lip of another paperboard cup to be stacked. The diameter of the inner sleeve below the shoulder is reduced discontinuously. The support of the lower rolled lip on the outer surface of the inner sleeve is arranged at the same level as, or below, the cup bottom.
申请公布号 US2009159653(A1) 申请公布日期 2009.06.25
申请号 US20080339837 申请日期 2008.12.19
申请人 PTM PACKAGING TOOLS MACHINERY PTE LTD. 发明人 STAHLECKER WERNER
分类号 B65D3/22;B31B17/00;B31B45/00;B65D3/06;B65D3/14;B65D21/02 主分类号 B65D3/22
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