E-cigarette vaporizer cartridge filling method and apparatus

• US 10,440,989 B2
• Filed: 11/11/2016
• Issued: 10/15/2019
• Est. Priority Date: 11/11/2016
• Status: Active Grant

• Current Assignee: Thompson Duke Industrial, LLC
• Original Assignee: Portland Engineering, Inc.
• Inventors: Gardella, Christopher A., Serpa, Carl M., Dailey, Collin C., Hogan, Michael J.
• Primary Examiner(s): Arnett, Nicolas A
• Application Number:
  US15/349,566
• Publication Number:
  US 20170121169A1
• Time in Patent Office: 1,068 Days
• Field of Search: 131328, 131329, 131361, 320107-108
• CPC Class Codes: A24F 40/10 Devices using liquid inhalable precursors
• CPC Class Codes: B65B 3/003 Filling medical containers such as ampoules, vials, syringes or the like
• CPC Class Codes: B65B 3/04 Methods of, or means for, filling the material into the containers or receptacles
• CPC Class Codes: B65B 3/32 by pistons co-operating with measuring chambers
• CPC Class Codes: B65B 39/001 with flow cut-off means, e.g. valves
• CPC Class Codes: B65B 39/12 movable towards or away from container or wrapper during filling or depositing
• CPC Class Codes: B65B 43/54 Means for supporting containers or receptacles during the filling operation
• CPC Class Codes: B65B 57/145 for fluent material
• CPC Class Codes: B65B 63/08 for heating or cooling articles or materials to facilitate packaging
• CPC Class Codes: B65B 7/2821 applying plugs or threadless stoppers for bottles or jars B67B1/04
• CPC Class Codes: B65D 25/005 Side walls formed with an aperture or a movable portion arranged to allow removal or insertion of contents B65D5/16, B65D7/40 take precedence
• CPC Class Codes: G01F 23/00 Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm

Abstract

An e-cigarette vaporizer cartridge filling method and apparatus. The apparatus includes a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid, a heater for heating the liquid in the liquid reservoir, and a liquid injection mechanism configured to draw portions of the heated liquid from an outlet end of the liquid reservoir and dispense the portions from an output end of the liquid injection mechanism. The method may allow for a human operator to control the time for filling the liquid injection mechanism with liquid based on visual observation of bubble formation and collapse therein.

Claims

1. An apparatus for dispensing a liquid into at least one container for use in a vaporizer device, the apparatus comprising:

a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

a heater for heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid; and

a liquid injection mechanism having an output end, the liquid injection mechanism configured for drawing a portion of the heated liquid from the outlet end of the liquid reservoir and dispensing said portion from the output end of the liquid injection mechanism into the at least one container, wherein the liquid must travel no farther than about 10 inches between the outlet end of the liquid injection mechanism and the output end of the liquid reservoir.

2. The apparatus of claim 1, for filling a plurality of containers for use in one or more vaporizer devices, the liquid injection mechanism configured for sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir and sequentially dispensing said multiple portions from the output end of the liquid injection mechanism into respective ones of the containers, the apparatus further comprising:

an X-Y positionable element;

a controller for controlling the X-Y position of the X-Y positionable element; and

a tray with a plurality of wells, the wells adapted for holding respective ones of the containers in respective filling positions, the wells arranged in a pattern defining a regular X-Y array, either the liquid injection mechanism or the tray being carried by the X-Y positionable element and therefore being X-Y positionable as a result of control exerted by the controller upon the X-Y positionable element so as to provide for sequentially performing a series of steps of receiving the dispensed portions by the respective ones of the containers.

3. The apparatus of claim 2, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

4. The apparatus of claim 3, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

5. The apparatus of claim 1, wherein the liquid must travel no farther than about 8 inches between the outlet end of the liquid injection mechanism and the output end of the liquid reservoir.

6. The apparatus of claim 1, wherein the liquid must travel no farther than about 7 inches between the outlet end of the liquid injection mechanism and the output end of the liquid reservoir.

7. An apparatus for dispensing a liquid into at least one container for use in a vaporizer device, the apparatus comprising:

a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

a heater for heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid;

a liquid injection mechanism having an output end, the liquid injection mechanism configured for drawing a portion of the heated liquid from the outlet end of the liquid reservoir and dispensing said portion from the output end of the liquid injection mechanism; and

a liquid delivery and flow control element having a dispense outlet and one or more check valves, the liquid injection mechanism configured for drawing said portion through the liquid delivery and flow control element and dispensing said portion through the dispense outlet into the at least one container, wherein the one or more check valves allow for the heated liquid to flow from the liquid reservoir to the liquid injection mechanism but not the reverse, and wherein the one or more check valves further allow for the heated liquid to flow from the output end of the liquid injection mechanism and out the dispense outlet but not the reverse.

8. The apparatus of claim 7, further comprising one or more auxiliary heating devices adapted to produce primarily radiant heat, each of the one or more auxiliary heating devices being disposed at ends of respective support members allowing at least 5 degrees of freedom of adjustment of the respective auxiliary heating devices so that the auxiliary heating devices may be selectably arranged to be in close proximity to the liquid delivery and flow control element, and so that the heat energy produced thereby may be aimed at or focused on the liquid delivery and flow control element.

9. The apparatus of claim 8, wherein the one or more check valves have an input end for receiving incoming liquid flow, the apparatus further comprising a length of hollow tubing for conducting the heated liquid from the outlet end of the liquid reservoir to the input end of the one or more check valves, wherein the length of said tubing is no more than about 8 inches.

10. The apparatus of claim 9, wherein the length of said tubing is no more than about 8 inches.

11. The apparatus of claim 9, wherein the length of said tubing is no more than about 7 inches.

12. The apparatus of claim 7, for filling a plurality of containers for use in one or more vaporizer devices, the liquid injection mechanism configured for sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir and sequentially dispensing said multiple portions from the output end of the liquid injection mechanism into respective ones of the containers, the apparatus further comprising:

an X-Y positionable element;

a controller for controlling the X-Y position of the X-Y positionable element; and

a tray with a plurality of wells, the wells adapted for holding respective ones of the containers in respective filling positions, the wells arranged in a pattern defining a regular X-Y array, either the liquid injection mechanism or the tray being carried by the X-Y positionable element and therefore being X-Y positionable as a result of control exerted by the controller upon the X-Y positionable element so as to provide for sequentially performing a series of steps of receiving the dispensed portions by the respective ones of the containers.

13. The apparatus of claim 12, further comprising one or more auxiliary heating devices adapted to produce primarily radiant heat, each of the one or more auxiliary heating devices being disposed at ends of respective support members allowing at least 5 degrees of freedom of adjustment of the respective auxiliary heating devices so that the auxiliary heating devices may be selectably arranged to be in close proximity to the liquid delivery and flow control element, and so that the heat energy produced thereby may be aimed at or focused on the liquid delivery and flow control element.

14. The apparatus of claim 13, wherein the one or more check valves have an input end for receiving incoming liquid flow, the apparatus further comprising a length of hollow tubing for conducting the heated liquid from the outlet end of the liquid reservoir to the input end of the one or more check valves, wherein the length of said tubing is no more than about 8 inches.

15. The apparatus of claim 14, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

16. The apparatus of claim 15, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

17. The apparatus of claim 14, wherein the length of said tubing is no more than about 6 inches.

18. The apparatus of claim 14, wherein the length of said tubing is no more than about 5 inches.

19. The apparatus of claim 13, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

20. The apparatus of claim 19, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

21. The apparatus of claim 12, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

22. The apparatus of claim 21, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

23. An apparatus for dispensing a liquid into at least one container for use in a vaporizer device, the containers having respective stoppers, the apparatus comprising:

an X-Y positionable element;

a controller for controlling the X-Y position of the X-Y positionable element; and

a tray with a plurality of wells, the wells adapted for holding respective ones of the containers in respective filling positions, the wells arranged in a pattern defining a regular X-Y array;

a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

a heater for heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid;

a liquid injection mechanism having an output end, the liquid injection mechanism configured for sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir and sequentially dispensing said multiple portions from the output end of the liquid injection mechanism, either the liquid injection mechanism or the tray being carried by the X-Y positionable element and therefore being X-Y positionable as a result of control exerted by the controller upon the X-Y positionable element so as to provide for sequentially performing a series of steps of receiving the dispensed portions by the respective ones of the containers; and

a stopper remove-and-replace mechanism having a carriage carrying a set of opposable jaws, the jaws adapted for sequentially closing and thereby sequentially performing a series of steps of gripping the stoppers of the respective ones of the containers, the carriage adapted for elevating after each step of gripping and thereby sequentially performing a series of steps of removing the stoppers from the respective ones of the containers, the carriage further adapted for de-elevating after each step of removing and thereby sequentially performing a series of steps of re-installing the stoppers in the respective ones of the containers, the jaws further adapted for opening after each step of re-installing and thereby sequentially performing a series of steps of releasing the stoppers of the respective ones of the containers, the controller configured to provide that each one of the steps of receiving be preceded by a corresponding one of the steps of removing and followed by a corresponding one of the steps of re-installing.

24. The apparatus of claim 23, further comprising a liquid delivery and flow control element having a dispense outlet and one or more check valves, the liquid injection mechanism drawing said portions through the liquid delivery and flow control element and dispensing said portions through the dispense outlet, wherein the one or more check valves allow for the heated liquid to flow from the liquid reservoir to the liquid injection mechanism but not the reverse, and wherein the one or more check valves further allow for the heated liquid to flow from the output end of the liquid injection mechanism and out the dispense outlet but not the reverse.

25. The apparatus of claim 24, wherein the one or more check valves have an input end for receiving incoming liquid flow, the apparatus further comprising a length of hollow tubing for conducting the heated liquid from the outlet end of the liquid reservoir to the input end of the one or more check valves, wherein the length of said tubing is no more than about 8 inches.

26. The apparatus of claim 25, further comprising one or more auxiliary heating devices adapted to produce primarily radiant heat, each of the one or more auxiliary heating devices being disposed at ends of respective support members allowing at least 5 degrees of freedom of adjustment of the respective auxiliary heating devices so that the auxiliary heating devices may be selectably arranged to be in close proximity to the tubing, and so that the heat energy produced thereby may be aimed at or focused on the tubing.

27. The apparatus of claim 26, further comprising one or more auxiliary heating devices adapted to produce primarily radiant heat, each of the one or more auxiliary heating devices being disposed at ends of respective support members allowing at least 5 degrees of freedom of adjustment of the respective auxiliary heating devices so that the auxiliary heating devices may be selectably arranged to be in close proximity to the liquid delivery and flow control element, and so that the heat energy produced thereby may be aimed at or focused on the liquid delivery and flow control element.

28. The apparatus of claim 27, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

29. The apparatus of claim 28, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

30. The apparatus of claim 26, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

31. The apparatus of claim 30, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

32. The apparatus of claim 25, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

33. The apparatus of claim 32, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

34. The apparatus of claim 25, wherein the length of said tubing is no more than about 6 inches.

35. The apparatus of claim 25, wherein the length of said tubing is no more than about 5 inches.

36. The apparatus of claim 24, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

37. The apparatus of claim 36, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

38. The apparatus of claim 23, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

39. The apparatus of claim 38, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

40. An apparatus for dispensing a liquid into at least one container for use in a vaporizer device, the apparatus comprising:

a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

a heater for heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid; and

a liquid injection mechanism having an output end, the liquid injection mechanism configured for sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir and sequentially dispensing said multiple portions from the output end of the liquid injection mechanism into respective ones of the containers; and

a controller, wherein the liquid injection mechanism draws said portions of heated liquid during respective periods of time, wherein the liquid injection mechanism is configured to allow a human operator of the apparatus to perform a visual observation of the formation and collapse of bubbles in the drawn portions of heated liquid, and wherein the controller is configured to provide that the human operator may adjust the periods of time in response to the visual observation.

41. The apparatus of claim 40, further comprising:

an X-Y positionable element, wherein the controller is further configured for controlling the X-Y position of the X-Y positionable element; and

a tray with a plurality of wells, the wells adapted for holding respective ones of the containers in respective filling positions, the wells arranged in a pattern defining a regular X-Y array, the liquid injection mechanism configured for sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir and sequentially dispensing said multiple portions from the output end of the liquid injection mechanism, either the liquid injection mechanism or the tray being carried by the X-Y positionable element and therefore being X-Y positionable as a result of control exerted by the controller upon the X-Y positionable element so as to provide for sequentially performing a series of steps of receiving the dispensed portions by the respective ones of the containers.

42. The apparatus of claim 41, further comprising a container alignment guide having a first side and an opposite, second side which is parallel to the first side, and a plurality of holes extending through the container alignment guide from the first side to the second side, the holes arranged in substantially the same pattern as the wells of the tray, each hole defining a larger void surface area on the first side than on the second side.

43. The apparatus of claim 42, the holes having respective hole axes about which the holes are centered, the holes defining in a progressive sequence of cross-sections of the container alignment guide taken perpendicular to the respective hole axes, either progressively increasing or progressively decreasing void areas.

44. A method for dispensing a liquid into at least one container for use in a vaporizer device, the method comprising:

providing a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid using primarily conductive heat transfer;

drawing a portion of the heated liquid from the outlet end of the liquid reservoir through a delivery and flow control element;

heating said portion while said portion is in the delivery and flow control element using primarily radiant heat transfer; and

dispensing said portion into the at least one container.

45. The method of claim 44, wherein said step of drawing occurs over a period of time and is sequentially repeated, for filling a plurality of the containers, the method further comprising performing a step of visual observation of the formation and collapse of bubbles in at least one of the drawn portions of heated liquid, and adjusting the periods of time in response to the visual observation.

46. The method of claim 45, wherein the steps of performing a visual observation and adjusting the periods of time are performed by a human.

47. A method for filling a plurality of containers for use in one or more vaporizer devices with liquid, comprising:

providing a liquid reservoir having an outlet end, the liquid reservoir for containing the liquid;

heating the liquid in the liquid reservoir to a temperature of at least about 100 degrees Fahrenheit so as to produce heated liquid;

sequentially drawing multiple portions of the heated liquid from the outlet end of the liquid reservoir through a delivery and flow control element over respective periods of time;

performing a step of visual observation of the formation and collapse of bubbles in at least one of the sequentially drawn portions of heated liquid; and

adjusting the periods of time in response to the visual observation.

48. The method of claim 47, wherein the steps of performing a visual observation and adjusting the periods of time are performed by a human.