发明名称
摘要 A machine for preparing espresso coffee is proposed which has a brewing filter (10) which can be filled with ground coffee and which comprises a sieve (11' 12) with openings (13) of defined cross-sections in order to retain the ground coffee during brewing. Devices for changing the cross-sections of the openings (13) are provided. These devices are preferably constructed as needles (21) which are divided over their length into at least two stages of different cross-sections, such that the openings (13) in the sieve (11' 12) can be more or less closed depending on the insertion depth of the needles (21). …<IMAGE>…
申请公布号 JP3024980(B2) 申请公布日期 2000.03.27
申请号 JP19900075333 申请日期 1990.03.23
申请人 发明人
分类号 A47J31/34;A47J31/00;A47J31/06;A47J31/36;A47J31/40 主分类号 A47J31/34
代理机构 代理人
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