| 摘要 |
<p>The filter has a support plate with superimposed layers (1.1, 1.2) made of cardboard, and circular through holes (3.1, 3.2) provided in the support plate. A filter bag (5) has filling containing coffee powder, where an edge of a bag aperture is fastened at the support plate around the through hole. The bag is arranged under the support plate together with the filling. Two water-repelling layers are arranged on an upper side and a lower side of the support plate, respectively. The filter bag is made of non-woven fabric.</p> |
