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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||426/77 ; 426/112 ; 206/520 ; 206/519|
|발명자 / 주소|
|인용정보||피인용 횟수 : 57 인용 특허 : 0|
A cartridge of cup like shape having a substantially impervious frusta-conical wall provided with a first circumferential seal adjacent the open mouth of the cup and a second circumferential seal spaced toward the bottom of the cup. The bottom is perforated and is sealed by a strippable foil. The cartridge contains a preselected amount of material (say ground coffee) that fills the receptacle to a selected level. Preferably a plurality of such receptacles are packaged as telescoped stack of cartridges with a first receptacle telescoped within a second re...
A mesting cartridge structure comprising a plurality of open ended receptacles telescopingly integrated one into another such that a first of said plurality of receptacles is telescoped within a second of said receptacles, each said receptacle having substantially impervious circumferential side wall means extending between a bottom wall at one axial end of said receptacle and an open end at the axial end of said receptacle remote from said one end, passages through said bottom wall, a first annular circumferentially extending seal forming seat in said c...