Liquid container with predetermined breaking point
View Patent ↗Liquid container with a predetermined break point ( 4 ), which is covered by an elastomer septum ( 3 ). The container forms a hollow body ( 10 ) made of a single material that is compatible with critical liquids such as medicines. The elastomer septum ( 3 ) and the predetermined break point ( 4 ) can be pierced by a hollow needle ( 51 ) in order to withdraw liquid from the container.
1. A container for containing a liquid, comprising:
a hollow body having a wall with a bottom along a portion of the wall; and
an elastomer septum,
wherein a thickness-reduced section of the bottom of the wall of the hollow body has a reduced thickness relative to the rest of the bottom that provides a predetermined breaking point in which the thickness-reduced section is pierceable by the point of a hollow needle, and
wherein the elastomer septum lies directly above the predetermined breaking point and is fixedly connected to the hollow body at the wall thereof.
2. The container for containing a liquid according to claim 1 , wherein the thickness of the septum is in the range of 0.3 to 15 mm.
3. The container for containing a liquid according to claim 1 , wherein the hollow body consists of plastic.
4. The container for containing a liquid according to claim 3 , wherein said plastic comprises any of the materials from the group polyamide, in particular PA 6.6 or PA 12, cyclic olefin copolymers (COC), polypropylene and polyethylene.
5. The container for containing a liquid according to claim 1 , wherein the hollow body consists of glass.
6. The container for containing a liquid according to claim 5 , wherein the glass is selected from the glasses of the hydrolytic class 1 according to ISO 719 (DIN 12111) or from a class corresponding to this class with comparable properties.
7. The container for containing a liquid according to claim 1 , wherein the thickness-reduced section is formed as a funnel-shaped dent or groove.
8. The container for containing a liquid according to claim 1 , wherein the thickness-reduced section is formed as a thickness-reduced wall.
9. A container according to claim 1 , the container being filled with liquid, wherein said hollow body comprises a jar and a cover which are welded or fused together so as to form an inner wall from a single material.
10. A package, comprising:
a container filled with liquid according to claim 9 ; and
a liquid withdrawal device having a hollow needle for piercing the thickness-reduced section.
11. The package according to claim 10 , further comprising a tube having a transverse opening therethrough, the hollow needle being inserted into the tube and having an interior, wherein the transverse opening communicates with the interior via a filter membrane in the transverse opening that is permeable to gases including air and impermeable to liquids.
12. The container according to claim 1 , wherein the hollow body further includes a jar having an opening, and wherein the wall is a cover covering the opening of the jar.
13. A container for containing a liquid, comprising:
a hollow body having a wall; and
an elastomer septum,
wherein the wall of the hollow body includes a wall indentation that provides a predetermined breaking point in which the wall indentation is pierceable by the point of a hollow needle,
wherein the elastomer septum lies directly above the predetermined breaking point and is fixedly connected to the hollow body at the wall thereof, and
wherein the elastomer septum comprises any of the materials from the group of silicone, isobutyl rubber and neoprene.
14. The container for containing a liquid according to claim 13 , wherein the thickness of the septum is in the range of 0.3 to 15 mm.
15. The container for containing a liquid according to claim 13 , wherein the hollow body consists of plastic.
16. The container for containing a liquid according to claim 13 , wherein the hollow body consists of glass.
17. The container for containing a liquid according to claim 13 , wherein the wall indentation is formed as a funnel-shaped dent or groove.
18. A container according to claim 13 , the container being filled with liquid, wherein said hollow body comprises a jar and a cover which are welded or fused together so as to form an inner wall from a single material.
19. The container according to claim 13 , wherein the hollow body further includes a jar having an opening, and wherein the wall is a cover covering the opening of the jar.
20. A container for containing a liquid, comprising:
a hollow body having a wall; and
an elastomer septum,
wherein the wall of the hollow body includes a wall indentation that provides a predetermined breaking point in which the wall indentation is pierceable by the point of a hollow needle, and
wherein the elastomer septum lies directly above the predetermined breaking point and is fixedly connected to the hollow body at the wall thereof.
21. The container for containing a liquid according to claim 20 , wherein the thickness of the septum is in the range of 0.3 to 15 mm and the wall indentation is formed as a funnel-shaped dent or groove.