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Title:
METHOD AND APPARATUS FOR MAKING A TABLET OF POWDERED PRODUCTS FOR ESPRESSO BEVERAGE EXTRACTION
Document Type and Number:
WIPO Patent Application WO/2014/064623
Kind Code:
A3
Abstract:
A method of making a tablet for hot espresso beverage extraction, comprising the steps of a) grinding a brewable product to obtain a powder having a substantially uniform particle size, b) dosing a predetermined amount of the ground product powder, c) moistening the powdered product dose, d) homogenizing the moistened mixture to obtain a powdered product with a substantially uniform moisture content, e) forming the powdered product dose by compression to obtain a disk-shaped or prismatic tablet (C), supplying an amount of energy to the tablet (C) to obtain a substantially compact and integral item. The step f) of supplying energy is carried out at a distance by irradiating g) the tablet (C) with an electromagnetic wave beam (F) to overheat and partially bake and/or sinter the particles of the powdered product as well as to impart a relatively compact and self-supporting construction to the finished tablet (C). The electromagnetic wave irradiation step g) is carried out at the end of the forming step e) while continuously compressing the dose.

Inventors:
BACCHI, Andrea (Via Oratorio 8, Correggio, I-42015, IT)
Application Number:
IB2013/059580
Publication Date:
June 19, 2014
Filing Date:
October 23, 2013
Export Citation:
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Assignee:
CAFFEMOTIVE S.R.L. (Piazza della Borsa 7, Trieste, I-34121, IT)
International Classes:
A23F5/36; A23F5/12; A23L5/10
Domestic Patent References:
WO2013001052A12013-01-03
Foreign References:
US20110070286A12011-03-24
US20110071184A12011-03-24
US5914309A1999-06-22
US20030127455A12003-07-10
Attorney, Agent or Firm:
MAROSCIA, Antonio (Maroscia & Associati Srl, ContrĂ  Porti 21, Vicenza, I-36100, IT)
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