公开(公告)号：US06783720B2

公开(公告)日：2004-08-31

申请号：US10437364

申请日：2003-05-13

申请人： Albert D. Johns ,  Mark B. Littlejohn ,  Thomas W. Zelinski

发明人： Albert D. Johns ,  Mark B. Littlejohn ,  Thomas W. Zelinski

IPC分类号： B29C4304

CPC分类号： B29C43/36 ,  B29C33/10 ,  B29C43/361 ,  B29C43/50 ,  B29C2043/3615 ,  B29C2043/5007 ,  B29L2031/712 ,  B29L2031/7132 ,  B31B50/592

摘要： In a pressware die set, a segmented punch for fabricating a pressed disposable food service article having a substantially planar bottom portion, a sidewall and a rim portion. In one embodiment, the punch is mounted to reciprocate cyclically between an open position and a forming position about an axis of reciprocation and includes outer punch surfaces for forming the sidewall and rim portions of the pressed disposable food service articles, as well as a substantially planar punch surface suitably mounted and dimensioned to engage the substantially planar bottom portion of the disposable food service article. The improved punch includes a knock-out stripper ring juxtaposed with the substantially planar punch surface, defining a knock-out surface and which is reciprocally mounted with respect to the central substantially planar punch surface such that the knock-out surface is contiguous with the substantially planar punch surface when the punch is in a forming position. The knock-out surface of the knock-out stripper member projects axially from the substantially planar punch surface when the punch reciprocates towards its open position. The knock-out surface area is generally from about 3 to about 50% of the area of the substantially planar surface of the punch.

摘要翻译： 一种压制模具组件，用于制造具有基本平坦的底部部分，侧壁和边缘部分的按压的一次性食品服务制品的分段冲头。 在一个实施例中，冲头被安装成循环地在打开位置和围绕往复运动轴线的成形位置之间往复运动，并且包括用于形成被压制的一次性食品服务制品的侧壁和边缘部分的外冲头表面，以及基本上平面 冲压表面适当地安装和尺寸设计成与一次性食品服务制品的基本平坦的底部接合。 改进的冲头包括与基本上平坦的冲头表面并置的脱离剥离环，限定了脱模表面，并且相对于中心基本平坦的冲压表面往复安装，使得脱模表面与基本上平行的冲压表面邻接 当冲头处于成形位置时的平面冲压表面。 当冲头向其打开位置往复运动时，脱模剥离器构件的脱模表面从基本平坦的冲压表面轴向突出。 脱模表面积通常为冲头的基本平坦表面的面积的约3至约50％。