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:
Jul. 25, 2017
Filed:
Aug. 28, 2012
Hendrik Cornelis Koeling, Amersfoort, NL;
Gustaaf Frans Brouwer, Nijkerk, NL;
Hendrik Cornelis Koeling, Amersfoort, NL;
Gustaaf Frans Brouwer, Nijkerk, NL;
Koninklijke Douwe Egberts B.V., Utrecht, NL;
Abstract
A pad of the optionally flexible, disc-shaped/flat type filled with a product to be extracted and/or a product to be dissolved, provided with an optionally flexible bottom sheet and an optionally flexible top sheet manufactured from, the top sheet and the bottom sheet being interconnected at their longitudinal edges so that a covering with a circumferential sealing seam is formed, with the product situated between the top sheet and the bottom sheet, the bottom sheet and the top sheet each forming a filter which is at least virtually impermeable to the product and which is at least permeable to water, while an area of the covering is designed to be at least virtually impermeable to water, the area comprising, preferably, at least one annular sub-area covering at least a part of the sealing seam, and that the area extends outside the sealing seam at predetermined positions.