发明名称 Device for preparing milk froth for cappuccino
摘要 A device for heating and frothing a beverage, the device including an elongate frothing wand includes a generally tubular external sleeve, an inner core within the external sleeve, wherein the inner core defines a steam conduit configured to pass steam from a supply end of the frothing wand to an expulsion end of the frothing wand, a steam-discharge ring in fluid communication with the steam conduit and configured to eject steam into the beverage, an annular airway defined by the external sleeve and the inner core, wherein the airway is configured to draw air from the supply end to the expulsion end of the frothing wand, and an air-discharge ring in fluid communication with the airway and concentrically aligned with the steam-discharge ring, wherein the air-discharge ring is configured to direct air into the beverage upon ejection of steam from the steam-discharge ring.
申请公布号 US6786138(B2) 申请公布日期 2004.09.07
申请号 US20020251517 申请日期 2002.09.19
申请人 BOYD COFFEE COMPANY 发明人 JOHNSON MICHAEL W.;WHEELER DAVID
分类号 A23L1/00;A47J31/44;(IPC1-7):A47J31/40 主分类号 A23L1/00
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