Storage/dispensing system and method for the application of a flowable substance

• US 7,677,417 B2
• Filed: 09/14/2004
• Issued: 03/16/2010
• Est. Priority Date: 08/18/2004
• Status: Active Grant

• Current Assignee: Voco GmbH
• Original Assignee: Voco GmbH
• Inventors: Leiner, Uwe, Plaumann, Manfred Thomas
• Primary Examiner(s): Nicolas; Frederick C.
• Application Number:
  US10/941,596
• Publication Number:
  US 20060037972A1
• Time in Patent Office: 2,009 Days
• Field of Search: 222212-215, 222420-421, 222/544, 222/569, 222566-567, 222/562, 222/1, 222/108, 222/111, 222/546, 222/563, 222/554
• US Class Current: 222/212
• CPC Class Codes: A61C 2202/02 Packaging for volatile material
• CPC Class Codes: A61C 5/60 Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
• CPC Class Codes: A61C 5/62 Applicators, e.g. syringes or guns
• CPC Class Codes: B05C 17/00506 Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
• CPC Class Codes: B05C 17/00516 Shape or geometry of the outlet orifice or the outlet element
• CPC Class Codes: B65D 47/18 for discharging drops; Droppers droppers in general B01L3/00; pipettes connected to container closures B01L3/0282

Abstract

A storage/dispensing system (9) for a flowable dental substance is described with a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance and a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), with a cup (2) which has an outlet orifice (3) and a wall (4, 4′) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), wherein the passage orifice (5) has a cross-sectional area of 0.001 to 0.1 mm² and the outlet orifice (3) has a cross-sectional area of 0.5 to 5 mm², and wherein the inside of the cup (2) has a cross-section which is constant and/or reduces from the passage orifice (5) to the outlet orifice (3).

Claims

1. A storage/dispensing system (9) for a flowable dental substance, comprising

a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance, and

a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), the dispensing device having

a cup (2) which has an outlet orifice (3) and a wall (4, 4′

) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), and

a passage channel (6) on the opposite side of the passage orifice (5) to the cup (2), the passage channel (6) having a cross-section which is constant or decreases towards the passage orifice (5) in a discharging direction of the flowable dental substance, and

a closure cap (20) having a ring (23) resting against an outside wall of a side wall (4) of the cup (2) wherein a space exists between the ring (23) and an inner wall surface of the closure cap (20) when the closure cap (20) is attached to the dispensing device (1), wherein an entire exterior of said sidewall (4) of the cup (2) is in parallel alignment with an interior surface of said ring (23) and wherein said closure cap further comprises a protrusion that rests firmly against a bottom of said cup when said closure cap is attached to the dispensing device.

2. The storage/dispensing system (9) according to claim 1, wherein the inside of the cup (2) has a volume of about 1 to about 30 mm³.

3. The storage/dispensing system (9) according to claim 1, wherein a circumferential collecting groove (7) is provided on the outside of the dispensing device (1) for collecting any flowable substance which escapes from the cup (2).

4. The storage/dispensing system (9) according to claim 1, wherein the container (10) has an internal volume of about 1 to about 20 ml.

5. The storage/dispensing system (9) according to claim 1, wherein the storage/dispensing system (9) is opaque to at least a proportion of visible light.

6. The storage/dispensing system (9) according to claim 5, wherein the storage/dispensing system (9) is opaque to at least a proportion of blue light.

7. The storage/dispensing system according to claim 1, wherein the passage orifice (5) has a cross-sectional area of about 0.001 to about 0.1 mm² and the outlet orifice (3) has a cross-sectional area of about 0.5 to about 5 mm².

8. The storage/dispensing system according to claim 1, wherein the inside of the cup (2) has a cross-section which is constant or reduces from the passage orifice (5) to the outlet orifice (3).

9. The storage/dispensing system (9) according to claim 1, wherein the container (10) and the dispensing device (1) are connected together in leak-proof manner relative to the flowable dental substance and constituents thereof, wherein the dispensing device (1) has first catch means (8) and the container has second catch means (11) to secure a connection of the container (10) and the dispensing device (1), wherein the catch means (8, 11) correspond to one another.

10. A storage/dispensing/application system for a flowable dental substance, comprising

a storage/dispensing system (9) for flowable dental substance, including

a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance, and

a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), the dispensing device having

a cup (2) which has an outlet orifice (3) and a wall (4, 4′

) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), and

a passage channel (6) on the opposite side of the passage orifice (5) to the cup (2), the passage channel (6) having a cross-section which is constant or decreases towards the passage orifice (5) in a discharging direction of the flowable dental substance, and

a closure cap (20) having a ring (23) resting against an outside wall of a side wall (4) of the cup (2) wherein a space exists between the ring (23) and an inner wall surface of the closure cap (20) when the closure cap (20) is attached to the dispensing device (1), wherein an entire exterior of said sidewall (4) of the cup (2) is in parallel alignment with an interior surface of said ring (23) and wherein said closure cap further comprises a protrusion that rests firmly against a bottom of said cup when said closure cap is attached to the dispensing device, and

an application instrument (12), wherein the application instrument (12) is constructed in such a manner that at least a pick-up portion (13) thereof is insertable through the outlet orifice (3) into the cup (2) in order to pick up the flowable dental substance therein.

11. A dental-system with the storage/dispensing/application system according to claim 10, wherein the flowable dental substance (14) is provided in the container (10) and to be introduced into the cup (2) via the passage orifice (5) of the dispensing device (1).

12. The dental-system with a storage/dispensing/application system according to claim 10, wherein the flowable dental substance (14) is provided in the container (10) and to be introduced into the cup (2) via the passage orifice (5) of the dispensing device (1).

13. The storage/dispensing/application system according to claim 10, wherein the application instrument (12) is a microbrush.

14. The storage/dispensing/application system according to claim 10, wherein storage/dispensing system (9) further comprises a closure cap (20), the closure cap having

a protrusion (22) projecting into the cup (2) of the dispensing device (1), and

a ring (23) resting against the side wall (4) of the cup (2).

15. The storage/dispensing/application system according to claim 10, wherein the inside of the cup (2) has a volume of about 1 to about 30 mm³.

16. The storage/dispensing/application system according to claim 10, wherein a circumferential collecting groove (7) is provided on the outside of the dispensing device (1) for collecting any flowable substance which escapes from the cup (2).

17. The storage/dispensing/application system according to claim 10, wherein the container (10) has an internal volume of about 1 about 20 ml.

18. The storage/dispensing/application system according to claim 10, wherein the storage/dispensing system (9) is opaque to at least a proportion of visible light.

19. The storage/dispensing/application system according to claim 10, wherein the passage orifice (5) has a cross-sectional area of about 0.001 to about 0.1 mm² and the outlet orifice (3) has a cross-sectional area of about 0.5 to about 5 mm².

20. The storage/dispensing/application system according to claim 10, wherein the inside of the cup (2) has a cross-section which is constant or reduces from the passage orifice (5) to the outlet orifice (3).

21. A method for the application of a flowable dental substance (14), comprising the following steps:

providing a dental system with a storage/dispensing/application system, the storage/dispensing/application system including

a storage/dispensing system (9) for the flowable dental substance, the storage/dispensing system including;

a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance, and

a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), the dispensing device having a cup (2) which has an outlet orifice (3) and a wall (4, 4′

) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), and a passage channel (6) on the opposite side of the passage orifice (5) to the cup (2), the passage channel (6) having a cross-section which is constant or decreases towards the passage orifice (5) in a discharging direction of the flowable dental substance, and

a closure cap (20) having a ring (23) resting against an outside wall of a side wall (4) of the cup (2) wherein a space exists between the ring (23) and an inner wall surface of the closure cap (20) when the closure cap (20) is attached to the dispensing device (1), wherein an entire exterior of said sidewall (4) of the cup (2) is in parallel alignment with an interior surface of said ring (23) and wherein said closure cap further comprises a protrusion that rests firmly against a bottom of said cup when said closure cap is attached to the dispensing device, and

an application instrument (12), wherein the application instrument (12) is constructed in such a manner that at least a pick-up portion (13) thereof is insertable through the outlet orifice (3) into the cup (2) in order to pick up the flowable dental substance therein,

introducing the flowable dental substance into the cup (2) from the container (10) through the passage orifice (5),

removing the flowable dental substance (14) from the cup (2) by means of the application instrument (12), and

applying the flowable dental substance (14) by means of the application instrument (12).

22. A storage/dispensing system (9) for a flowable dental substance, comprising

a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance, and

a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), the dispensing device having

a cup (2) which has an outlet orifice (3) and a wall (4, 4′

) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), and

a passage channel (6) on the opposite side of the passage orifice (5) to the cup (2), the passage channel (6) having a cross-section which is constant or decreases towards the passage orifice (5) in a discharging direction of the flowable dental substance, and

a closure cap (20) having a protrusion (22) projecting into the cup (2) of the dispensing device (1), and a ring (23) resting against a side wall (4) of the cup (2),

wherein a circumferential collecting groove (7) is provided on the outside of the dispensing device (1) for collecting any flowable substance which escapes from the cup (2).

23. A storage/dispensing/application system for a flowable dental substance, comprising

a storage/dispensing system (9) for flowable dental substance, including

a solvent-tight, resiliently deformable container (10) for the storage and provision of the flowable dental substance, and

a dispensing device (1) connected to the container (10) for discharging the flowable dental substance from the container (10), the dispensing device having

a cup (2) which has an outlet orifice (3) and a wall (4, 4′

) in which a passage orifice (5) is provided for introducing the flowable dental substance from the container (10), and

a passage channel (6) on the opposite side of the passage orifice (5) to the cup (2), the passage channel (6) having a cross-section which is constant or decreases towards the passage orifice (5) in a discharging direction of the flowable dental substance, and

an application instrument (12), wherein the application instrument (12) is constructed in such a manner that at least a pick-up portion (13) thereof is insertable through the outlet orifice (3) into the cup (2) in order to pick up the flowable dental substance therein, wherein a circumferential collecting groove (7) is provided on the outside of the dispensing device (1) for collecting any flowable substance which escapes from the cup (2).