Filter support for disposable coffee filters

作者: John R. McMichael

DOI:

关键词:

摘要: A cylinder having both ends opened is structured of loosely woven metal or plastic wire. The sized to fit vertically in a coffee maker filter basket inside disposable as support. support prevents the walls from collapsing over grounds thus reducing chances being released into pot. rounded comprising this and function all shapes baskets other making funnels, round, square, frusto-conical. immediate invention reuseable.

参考文章(7)
Earl Kopp, Coffee filter ring ,(1985)
John P Hester, Beverage brewing basket ,(1966)
Harvey W. Cheatley, Mitchell J. Konop, Philip G. Hartley, Brewing funnel with removable insert ,(1986)
Fred S. Steiner, Morison S. Cousins, Stackable colander and base ,(1975)
Edward H Sieling, Urn bag retainer ,(1946)
Larry G. Sandvig, Coffee filter and annular retainer ,(1986)
Charles E. Benedict, Coffee filter ring ,(1987)