The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 1992
Filed:
Nov. 14, 1989
Jan C van Hattem, Amerongen, NL;
Bernardus M van Thoor, Maarssen, NL;
Jan Sperna Weiland, Deventer, NL;
Sara Lee/DE N.V., Utrecht, NL;
Abstract
A method and an apparatus for making beverages, such as coffee, soup, tea, or the like, wherein a starting product, such as ground coffee, is supplied to a cavity and is enclosed therein by a piston. After this, through an opening provided in the piston, a quantity of fluid, in this case water, originating from a water system is pressed into said cavity. Hereafter, the fluid, after extraction of the starting product contained in the chamber, in this case filling chamber, is discharged through an opening near the end opposite the piston, the control of this process taking place electronically. The method is characterized in that use is made of an apparatus having at least two filling chambers of different size and mounted on a movable holder and that the various steps are performed during a single cycle of the holder.