发明名称 Device for use in making doughnuts
摘要 A device for use in making doughnuts or the like having a partition of inverted frusto-conical form provided with a central opening; an inner tubular ring extended downwardly from the partition in circumscribing relation to the opening; an outer tubular ring extending downwardly from the partition in circumscribing relation to the inner ring; a container for dough mounted upwardly on the partition; and a valve head fitted to the opening selectively for opening and closing the opening to deposit dough from the container for cutting by the rings into a doughnut and a plug centrally of the doughnut, the configuration of the respective lower sides of the partition and of the head facilitating release of the doughnut and the plug from the rings.
申请公布号 US4413972(A) 申请公布日期 1983.11.08
申请号 US19820341690 申请日期 1982.01.22
申请人 LAWSON, RICHARD L. 发明人 LAWSON, RICHARD L.
分类号 A21C5/00;A21C11/14;(IPC1-7):A21C5/00;A21C11/12 主分类号 A21C5/00
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