|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||210/477 ; 210/482 ; 210/4933 ; 210/4935|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 4 인용 특허 : 0|
A filter apparatus for producing aromatic extracts of coffee or tea includes a filter vessel having an interior with a pyramid-like shape and a filter paper insert which, in use, is adapted in shape to the interior of the filter vessel. In order to improve the utilization of the aroma carrier, the corners of the filter vessel in the usable interior are beveled or otherwise altered. The filter paper insert is correspondingly provided with creases in its corner regions so as to permit a substantially form-fitting support of the filter paper insert at the b...
A filter apparatus for producing aromatic extracts of coffee or tea, comprising: a filter vessel having a usable interior with a generally pyramid-like shape, the interior of the filter vessel having corner regions that are truncated, the corner regions being located approximately in a middle range between a circle inscribed within the cross-sectional area of the vessel interior and a concentric circle that would pass through the corners of the vessel interior if the corners were sharp rather than truncated; and a filter paper inserted which is received ...