The invention relates to a tip cap assembly for closing a distal opening of a receptacle like a syringe body or a tube in a sealed manner, and to a method for producing the tip cap. A cap assembly according to the invention comprises a frangible tip of a receptacle, preferably a pre-filled receptacl
The invention relates to a tip cap assembly for closing a distal opening of a receptacle like a syringe body or a tube in a sealed manner, and to a method for producing the tip cap. A cap assembly according to the invention comprises a frangible tip of a receptacle, preferably a pre-filled receptacle. An upper portion of the tip closes the receptacle respectively a lower tip portion comprising a passage as known from the state of the art. Hence, the receptacle is reliably sealed to prevent contamination or loss of the medication. Compared with the state of the art, a receptacle has a more effectively sealed tip. It is necessary to break the upper tip portion away in order to open the receptacle. A cap element protects the tip on one side. On the other side, unscrewing the cap breaks the upper portion away without hurting a person.
대표청구항▼
1. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular
1. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements wherein the frangible tip is an integral part of the receptacle and wherein the lower tip portion of the tip of the cap assembly comprises a plurality of projecting locking elements adjacent to a body of the receptacle for attaching the fastening ring either to the receptacle or to the lower tip portion. 2. The cap assembly according to claim 1, wherein the projecting locking elements and the lower tip portion are made in one piece. 3. The cap assembly according to claim 1, wherein the projecting locking elements provide a plurality of clearances for attaching the fastening ring to the receptacle or to the lower tip portion. 4. The cap assembly according to claim 1, wherein the cap assembly is composed of an artificial material. 5. The cap assembly according to claim 1, wherein the cap assembly further comprises a transparent fastening ring. 6. The cap assembly according to claim 1, wherein the fastening ring and the cap element comprise visible signs which are in line. 7. A receptacle comprising the cap assembly of claim 1, wherein the receptacle is prefilled with a medical preparation. 8. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements, wherein the frangible tip is an integral part of the receptacle and wherein the lower tip portion of the tip further comprises a plurality of projecting locking elements which are so designed that it is possible to fasten the fastening ring to the receptacle by a snapping action. 9. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements, wherein the frangible tip is an integral part of the receptacle and wherein a cylinder-like gap remains between the cap element and an upper tip portion extending to a seal on one side and to an opening on the other side. 10. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements, wherein the frangible tip is an integral part of the receptacle and wherein a cap element comprises a cylinder-like recess surrounding an upper tip portion of the tip. 11. A cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements, wherein the frangible tip is an integral part of the receptacle and wherein the cap assembly comprises a sealed cavity which prevents contamination of a lower tip portion and an upper edge of the lower tip portion. 12. A method for providing a cap assembly, the cap assembly comprising a frangible tip of a receptacle, a fastening ring and a cap element attached to the fastening ring by an internal and one of an external thread and a bayonet joint, wherein, the fastening ring is attached at the receptacle or a lower tip portion of the tip by an annular protrusion and wherein, the cap element comprises a plurality of locking tabs, wherein in a closed position of the cap assembly the locking tabs are enclosed with a form fit by locking recesses provided by projecting locking elements, wherein the frangible tip is an integral part of the receptacle, the method comprising: (a) screwing a cap element which comprises a plurality of locking tabs, onto a fastening ring, and(b) pushing the fastening ring against an end of a body of a receptacle comprising a frangible tip thereby providing a snap-in connection between projecting locking elements of the frangible tip and an annular protrusion of the fastening ring and a form fit connection between the projecting locking elements and the locking tabs.
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이 특허에 인용된 특허 (2)
Barta Helmut (Vienna ATX) Moser Franz (Deutsch Wagram ATX) Simonich Walter (Vienna ATX), Cannula shield and injection syringe system.
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