Title:
コーヒードリップ用フィルター及びコーヒードリップバッグ
Document Type and Number:
Japanese Patent JP6792258
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a coffee drip filter for stably obtaining a delicious coffee extract.SOLUTION: A coffee drip filter 1 is made by embossing a non-woven fabric including a fiber formed of a hydrophobic resin. The filter 1 has an embossed part with an area rate of 30-80%, the embossed part with compressibility of 60-80% (wherein, the compressibility of the embossed part=(L0-L1)/L0. In the formula, L0 is a filter thickness of a non-embossed part, and L1 is a filter thickness of the embossed part), a basis weight of 20-55 g/m, and permeability of 10-30 cm/cm/second. Alternatively, the filter 1 has a product of the area rate and the compressibility of the embossed part of 25-55%, a basis weight of 20-55 g/m, and permeability of 10-30 cm/cm/second.SELECTED DRAWING: Figure 1
Inventors:
Oikawa Hideyuki
Izumi Hoshino
Akiko Sumiya
Minami Yamaguchi
Izumi Hoshino
Akiko Sumiya
Minami Yamaguchi
Application Number:
JP2016123084A
Publication Date:
November 25, 2020
Filing Date:
June 21, 2016
Export Citation:
Assignee:
AJINOMOTO CO.,LTD.
Taiki Trading Co., Ltd.
Taiki Trading Co., Ltd.
International Classes:
A47J31/06; A23F5/24; A47J31/02; B01D39/16; B65D77/00; D04H1/559; D04H3/007; D04H3/14; D04H3/16; D21H13/10; D21H27/30
Domestic Patent References:
| JP2005342207A | ||||
| JP2002102070A | ||||
| JP11178720A | ||||
| JP62144723A |
Foreign References:
| CN203855036U |
Attorney, Agent or Firm:
Taji U.S. Patent Office