| 摘要 |
PCT No. PCT/CH94/00099 Sec. 371 Date Mar. 16, 1995 Sec. 102(e) Date Mar. 16, 1995 PCT Filed Mar. 27, 1994 PCT Pub. No. WO94/27482 PCT Pub. Date Dec. 8, 1994A bag-holder and an extraction machine for enabling extraction of a substance for preparation of a beverage contained in a pliant bag having at least one linear edge weld. The bag-holder has a housing configured to provide a cavity for containing the bag and an area which provides a grid of raised and indented elements and flow holes, the grid area providing for tearing the bag and for flow of extract from the housing during extraction. The bag-holder also has provision for securing the edge weld of the bag to keep the bag in the holder. The bag-holder also contains a bore in the area of the outflow grid for accepting a hollowed needle therethrough for penetrating into a bag for introducing extraction fluid into the bag and wherein the needle, during extraction, extends from an extraction machine which also has a part for, upon placement of the bag-holder together with the extraction machine, enabling sealing the part and the holder.
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