发明名称 Method and apparatus for making ground meat patties
摘要 A household hamburger maker is disclosed having a hollow, circular outer collar and a hand-held center plug. Ground meat is placed into the hollow area of the outer collar, and the center plug is inserted into the same hollow area and pressed down against the ground meat. While the center plug is being pressed down, it is also twisted alternately clockwise and counterclockwise, which produces a smooth top surface on the ground meat as it is shaped into a hamburger patty. While still being twisted, the center plug is pulled back up and away from the hamburger patty, leaving behind a correctly-shaped patty that has a smooth top surface.
申请公布号 US5112634(A) 申请公布日期 1992.05.12
申请号 US19910738451 申请日期 1991.07.31
申请人 SWEARINGEN, RALPH M. 发明人 SWEARINGEN, RALPH M.
分类号 A22C7/00 主分类号 A22C7/00
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