0521510-A1 is referenced by 59 patents and cites 5 patents.

The packaging is in the form of a cartridge containing a substance for making a drink. The cartridge has a body (1) of frustoconical inverted frustoconical or hemispherical shape and a membrane (4) acting as a cover. The membrane or the bottom of the body of the cartridge comprises zones of reduced thickness (3) enabling the cartridge to be opened during extraction by a fluid under pressure while directing the flow of fluid through the bed of substance. The cartridge is available as different variants suitable for various types of espresso machines.

Title
Rigid coffee cartridge and method of manufacturing the same.
Application Number
EP19920111252 19920702
Publication Number
0521510 (A1)
Application Date
July 2, 1992
Publication Date
January 7, 1993
Inventor
Fond Olivier
CH
Assignee
Nestle
CH
IPC
B65D 81/00
B65B 29/02
B65D 85/804
B65D 81/00
B65B 29/00
A47J 31/24
A47J 31/06
B65D 85/804
B65D 81/00
B65B 29/02
A47J 31/34
A47J 31/06
View Original Source Download PDF