US20210120885A1 - System and method for refilling an electronic cigarette cartridge - Google Patents

System and method for refilling an electronic cigarette cartridge Download PDF

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Publication number
US20210120885A1
US20210120885A1 US16/661,882 US201916661882A US2021120885A1 US 20210120885 A1 US20210120885 A1 US 20210120885A1 US 201916661882 A US201916661882 A US 201916661882A US 2021120885 A1 US2021120885 A1 US 2021120885A1
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Prior art keywords
cartridge
seal
liquid
cavity
electronic cigarette
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Abandoned
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US16/661,882
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Yi Xie
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Individual
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Individual
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Priority to US16/661,882 priority Critical patent/US20210120885A1/en
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    • A24F47/008
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42Cartridges or containers for inhalable precursors
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48Fluid transfer means, e.g. pumps
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/85Maintenance, e.g. cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04Methods of, or means for, filling the material into the containers or receptacles
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10Devices using liquid inhalable precursors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/18Controlling escape of air from containers or receptacles during filling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/04Nozzles, funnels or guides for introducing articles or materials into containers or wrappers having air-escape, or air-withdrawal, passages

Definitions

  • the present invention generally relates to a system and method for refilling an electronic cigarette cartridge. More so, the present invention relates to a refilling system and method that provides a refillable cartridge for an electronic cigarette defined by an elongated cavity that contains an e-liquid adapted to vaporize and release flavor during smoking operations, a closed end, an open end, and an airtight silicone seal that covers the open end; whereby an injection needle penetrates the airtight seal to inject an e-liquid into the cavity, and an adjacent vent needle penetrates the airtight silicone seal to create a passageway for air to simultaneously escape the airtight cartridge while e-liquid is being injected, such that an equilibrium is formed inside the cavity; and in alternative embodiments, a retail package encapsulates the refillable cartridge, such that the needles penetrate both the retail package and the airtight silicone seal.
  • electronic cigarettes provide smoking-substitute devices that allow a smoker to experience some of the physical and chemical sensations associated with smoking, without actually generating smoke or fire. As such, these devices do not contain the carcinogens and smoke that are detrimental to the health. Also, electronic cigarettes are not affected by the statutory restrictions, smoking bans, and social pressure to stop smoking.
  • electronic cigarettes are battery-powered electronic devices that resemble a standard tobacco cigarette.
  • the electronic cigarette comprises a cigarette-shaped tube and a mouthpiece.
  • the cigarette-shaped tube typically includes a replaceable or refillable liquid cartridge, a heating element, and a power source. Once the replaceable or refillable liquid cartridge is emptied, it must either be replaced or refilled. Replacing cartridges can be expensive and messy. In prior art refilling methods, the juice is simply poured into the refillable cartridge, which created spillage and required a steady hand.
  • Illustrative embodiments of the disclosure are generally directed to a system and method for refilling an electronic cigarette cartridge.
  • the system and method provides an efficient means to refill a cartridge of an electronic cigarette with an e-liquid.
  • the system comprises a refillable cartridge operable inside an electronic cigarette, along with a heating element, a vaporizer, and a power source.
  • the refillable cartridge is defined by an elongated cavity that contains an e-liquid adapted to vaporize and release flavor while heated to a predetermined temperature, i.e., vaporization during smoking.
  • the refillable cartridge is also defined by a closed end, an open end, and an airtight silicone seal that covers the open end.
  • an injection needle penetrates the airtight silicone seal to inject an e-liquid into the cavity.
  • a vent needle penetrates the airtight silicone seal to create a passageway for air to simultaneously escape the airtight cartridge while e-liquid is being injected. In this manner, an equilibrium is formed inside the cavity, creating a smoother refilling process.
  • a retail package encapsulates the refillable cartridge, such that the needles penetrate both the retail package and the airtight silicone seal.
  • a system and method for refilling an electronic cigarette cartridge comprises: a cartridge operable inside an electronic cigarette, the cartridge being defined by an elongated cavity sized and dimensioned to contain an e-liquid, the e-liquid being adapted to vaporize and release flavor when heated, the cartridge further being defined by a closed end and an open end; a seal covering the open end of the cartridge, whereby an airtight environment forms in the cavity of the cartridge; an injection needle defined by an inlet passageway having an e-liquid discharge end and an e-liquid discharge end, the e-liquid discharge end being sized and dimensioned to penetrate the seal and discharge the e-liquid into the cavity; and a vent needle defined by an outlet passageway having an air inlet end and an air outlet end, the air inlet end being sized and dimensioned to penetrate the seal, the outlet passageway being operable to carry air out of the cavity while the e-liquid is discharged into the cavity.
  • system further comprises a resilient container, the resilient container encapsulating the cartridge and the seal.
  • the e-liquid discharge end of the injection needle is sized and dimensioned to penetrate the resilient container and the seal for discharging the e-liquid into the cavity.
  • the air inlet end is sized and dimensioned to penetrate the resilient container and the seal for carrying air from the cavity of the cartridge.
  • the injection needle is operable to inject a gas into the resilient container.
  • the resilient container is a bag.
  • the cartridge comprises a cylindrical shape.
  • the cartridge comprises a cubical shape.
  • the seal comprises a silicone seal.
  • the seal is operable to self-seal on the open end of the cartridge.
  • the e-liquid is adapted to vaporize and release flavor when heated to a predetermined temperature.
  • the electronic cigarette further comprises a heating element, a vaporizer, and a power source.
  • the cartridge comprises a connector for detachable attachment with the electronic cigarette.
  • the cartridge comprises a cap.
  • the cap comprises one or more apertures.
  • One objective of the present invention is to efficiently refill a cartridge of an electronic cigarette with an e-liquid.
  • Another objective is to allow air to escape the cartridge while it is being filled with e-liquid.
  • Yet another objective is to package the refillable cartridge in a retail bag that can be filled with air, or evacuated from air for facilitated shipping and storage.
  • Yet another objective is to provide an antibacterial packaging for the refillable cartridge.
  • Yet another objective is to make the seal configuration be self-sealing at the open end of the cartridge.
  • Yet another objective is to provide an inexpensive top manufacture refillable cartridge for electronic cigarettes.
  • FIGS. 1A-1B illustrate perspective views of an exemplary system for refilling an electronic cigarette cartridge, showing a cylindrical shaped cartridge, where FIG. 1A shows the injection and vent needles penetrating the seal, and FIG. 1B shows the cartridge disassembled, in accordance with an embodiment of the present invention
  • FIGS. 2A-2B illustrate perspective views of a system for refilling an electronic cigarette cartridge, showing a cubicle shaped cartridge, where FIG. 2A shows the injection and vent needles penetrating the seal, and FIG. 2B shows the cartridge disassembled, in accordance with an embodiment of the present invention
  • FIGS. 3A-3C illustrate perspective views of the prior art e-cigarette cartridge being refilled, where FIG. 3A shows a single needle filling the cartridge with e-liquid, FIG. 3B shows two needles filling the cartridge with e-liquid, and FIG. 3C shows a cap being coupled to a full cartridge, a system for refilling an electronic cigarette cartridge, in accordance with an embodiment of the present invention
  • FIG. 3D illustrates the single needle comprising a main needle and a sub-needle.
  • FIG. 3E illustrates that each of the two needles comprises two channels.
  • FIG. 4 illustrates a side view of the cylindrical-shaped electronic cigarette cartridge encapsulated in a resilient container, showing the injection and vent needles penetrating the resilient container and the seal, in accordance with an embodiment of the present invention
  • FIG. 5 illustrates a side view of the cubicle-shaped electronic cigarette cartridge encapsulated in a resilient container, showing the injection and vent needles penetrating the resilient container and the seal, in accordance with an embodiment of the present invention
  • FIG. 6 illustrates a flowchart of an exemplary method for refilling a cartridge in a system, in accordance with an embodiment of the present invention.
  • the word “exemplary” or “illustrative” means “serving as an example, instance, or illustration.” Any implementation described herein as “exemplary” or “illustrative” is not necessarily to be construed as preferred or advantageous over other implementations. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims.
  • a system 100 and method 600 for refilling an electronic cigarette cartridge 102 is referenced in FIGS. 1A-6 .
  • the system 100 for refilling an electronic cigarette cartridge 102 hereafter “system 100 ” provides a cartridge 102 that is operable to contain a substance 126 from inside an electronic cigarette.
  • the substance 126 is an e-liquid 126 .
  • the electronic cigarette also provides a heater/atomizer for heating the e-liquid 126 , and a power source for the heater.
  • the cartridge 102 which is refillable, disposable, and comes in anti-bacterial packaging, is defined by an elongated cavity 108 .
  • the cartridge 102 comprises a cylindrical shape.
  • a cubicle refillable cartridge 200 has a cubicle or rectangular shape, as shown in FIG. 2A .
  • the cubicle refillable cartridge 200 comprises a square-shaped cap 202 having multiple apertures 204 a, 204 b, 204 c.
  • the above embodiments disclose the e-liquid, it should be understood that other type of substances, such as liquid, solid, air (low-pressure air) or powder substances or combinations of different types of substances can be used to perform that the same function as the e-liquid. It should be understood that the above-described substances can comprise tetrahydrocannabinol (THC), cannabidiol (CBD), hemp, vitamins, alcohol, or any types of substances which can achieve the same function.
  • the cartridge 102 comprises a connector 112 for detachable attachment with the electronic cigarette.
  • the connector 112 may include a screw-like coupling member that mates with a female coupling member in the electronic cigarette.
  • the cartridge 102 comprises a cap 114 that fits over the opening in the open end 106 .
  • the cap 114 is defined by one or more apertures 116 a, 116 b, 116 c that enable passage of an injection needle and a vent needle, as discussed below.
  • the cap 114 may fit over open end 106 of the cartridge 102 through threaded means, or a friction fit relationship.
  • the connector 112 can be a threaded connector or a magnetic connector for attaching and detaching the cartridge 102 on/from the electronic cigarette. It should be understood that the above-described connectors are exemplary, and any other connector can be adopted in various embodiments of this disclosure.
  • the electronic cigarette and the cartridge 102 can be integrity, and in this manner, the cartridge 102 is embedded with to the electronic cigarette, so the cartridge 102 cannot be detached from the electronic cigarette. In other words, the electronic cigarette is integrity.
  • the cartridge 102 is also defined by a closed-end 104 and an open end 106 .
  • the open end 106 has an opening through which the e-liquid 126 can be injected, as discussed below.
  • the cavity 108 of the cartridge 102 is sized and dimensioned to contain an e-liquid 126 .
  • the e-liquid 126 may include a juice or flavored liquid known in the art of e-cigarettes that is adapted to vaporize and release flavor when heated.
  • the system 100 provides a seal 110 that covers the open end 106 of the cartridge 102 .
  • the seal 110 is the component that creates an airtight environment inside the cavity 108 of the cartridge 102 .
  • the seal 110 is a self-seal 110 ing silicone seal 110 that is sized and dimensioned to completely cover the opening of the open end 106 . This creates an airtight environment in the cavity 108 of the cartridge 102 .
  • the cubicle refillable cartridge 200 discussed above utilizes a square-shaped seal 206 to create the airtight environment in the cubicle refillable cartridge 200 (See FIG. 2B ).
  • the system 100 provides an injection needle 118 that injects the e-liquid 126 into the cartridge 102 .
  • the injection needle 118 is defined by an inlet passageway 120 c having an e-liquid 126 discharge end 120 b and an opposing e-liquid 126 discharge end 120 a.
  • the e-liquid 126 discharge end 120 b is sized and dimensioned to penetrate the seal 110 .
  • the e-liquid 126 discharge end 120 b is operable to penetrate the resilient container and the seal 110 for discharging the e-liquid 126 into the cavity 108 .
  • the system 100 provides a vent needle 122 that correlates to the aforementioned injection needle 118 .
  • the injection needle 118 is operable to inject a gas into the resilient container.
  • the vent needle 122 is defined by an outlet passageway 124 c having an air inlet end 124 a and an air outlet end 124 b.
  • the air inlet end 124 a is sized and dimensioned to penetrate the seal 110 .
  • the outlet passageway 124 c being operable to carry air out of the cavity 108 .
  • both of the injection needle 118 and the vent needle 122 may be operated to inject the e-liquid into the cartridge 102
  • the system 100 further comprises a supplemental needle arranged in the middle of the injection needle 118 and the vent needle 122 and is operable to carry out the air out of the cavity 108 .
  • the air inlet end 124 a of the vent needle 122 is sized and dimensioned to penetrate the resilient container and the seal 110 for carrying air from the cavity 108 of the cartridge 102 .
  • the outlet passageway is operable to carry air out of the cavity 108 while the e-liquid 126 is discharged into the cavity 108 .
  • FIGS. 3A-3C illustrate perspective views of prior art e-cigarette cartridge being refilled, where FIG. 3A shows a single needle filling a prior art cartridge 300 with e-liquid.
  • FIG. 3B shows two needles filling the prior art cartridge 300 with e-liquid.
  • FIG. 3C shows a cap being coupled to a full cartridge.
  • a single needle 302 a simply entered the cavity 108 of the cartridge 300 to inject the desired amount of e-liquid 126 ( FIG. 3A ).
  • a first needle 302 a, and a second needle 302 b simultaneously inject e-liquid 126 into the cavity 108 ( FIG. 3B ), so as to increase the refill rate.
  • a cap 306 is rotatably coupled to a central stud 304 in the electronic cigarette.
  • the e-liquid 126 is now ready for heating/atomizing to release flavor during smoking operations.
  • the present invention utilizes a single injection needle 118 that penetrates the seal 110 to inject. And simultaneously vents air out of the cartridge 102 .
  • the first needle 302 a comprises a main needle 3021 a and an outer cavity 3022 a formed between the first needle 302 a and the main needle 3021 a.
  • the main needle 3021 a is a central needle disposed in the middle of the first needle 302 a, and an outer periphery surface of the main needle 3021 a is surrounding around the main needle 3021 a to form the outer cavity 3022 a.
  • the e-liquid 126 is injected into the cartridge 102 through the main needle 3021 a, and the air is vented out from the cartridge 102 through the outer cavity 3022 a.
  • the first needle 302 a comprises a first channel 3023 a and a second channel 3024 a
  • the second needle 302 b comprises a third channel 3023 b and a fourth 3024 b
  • the e-liquid 126 can be injected through one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b, and the air can be vented out from one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b.
  • the cartridge 102 doesn't package.
  • the cartridge 102 may be packaged as a packaged product. It should be understood that the above-described package or non-package configurations are exemplary and any other configuration can be adopted in various embodiments of this disclosure.
  • the noble gases can be injected into the cartridge 102 through one of the needles 302 a, 302 b.
  • the noble gases can be injected into the cartridge 102 through one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b, wherein the noble gases is at a constant temperature.
  • the nobles gases is at a temperature approximately minus ten degrees to plus ten degrees.
  • the noble gases is delivered into the cartridge 102 to cool down the temperature of the e-liquid.
  • the e-liquid is condensed to form a condensed e-liquid, so as to remain the condensed e-liquid inside the cartridge 102 .
  • the system 100 provides unique packaging and marketing means through the use of a retail bag that the cartridge 102 is stored inside.
  • the system 100 provides a resilient container 400 that both protects and provides a sterile, anti-bacterial environment for the cartridge 102 .
  • the resilient container is configured to encapsulate the cartridge 102 and the seal 110 . In operation, the needles penetrate both the resilient container and the seal 110 to access the cavity 108 of the cartridge 102 .
  • the resilient container 400 can be useful for shipping and marketing purposes. Also, this is useful for packaging food, pharmaceuticals, medicine, and other needs that require anti-bacterial protection.
  • the resilient container is a seal 110 able bag.
  • the resilient container 400 is also effective for encasing a cubicle-shaped cartridge 102 , as shown in FIG. 5 . In any case, the needles penetrate both the resilient container and the seal 110 to access the cavity 108 of the cartridge 102 .
  • FIG. 6 illustrates a flowchart diagram of an exemplary method 600 for refilling an electronic cigarette cartridge with a system.
  • the method 600 may include an initial Step 602 of depleting an e-liquid contained in a cavity of a refillable cartridge of an electronic cigarette, the cartridge being defined by a closed-end and an open end, a seal forming across the open end.
  • the method 600 may further comprise a Step 604 of detaching the cartridge from the electronic cigarette.
  • a Step 606 includes penetrating an injection needle through the seal.
  • a Step 608 comprises penetrating a vent needle through the seal, adjacent to the injection needle.
  • a Step 610 includes injecting, through the injection needle, an e-liquid into the cavity of the cartridge.
  • a Step 612 may include venting, through the vent needle, air from the cavity, simultaneous with the injection of e-liquid.
  • a Step 614 comprises selectively attaching the cartridge to the electronic cigarette.
  • a final Step 616 includes heating the e-liquid to vaporize and release flavor for smoking.
  • the method 600 further comprises a step 611 of stopping the injection of the e-liquid.
  • the water or any liquid substance has cohesive force, so the e-liquid remaining inside the needle may continuously inject into the cavity of the cartridge even of no more e-liquid is fed into the needle. Therefore, a step 611 could remain the e-liquid inside the needle once the refilling method 600 is stopped.
  • the cartridge may be attached with the electronic cigarette, and in this manner, the cartridge is detachable 6041 .
  • the cartridge and the electronic cigarette are integrity, and in this manner, the cartridge is affixed with the electronic cigarette 6042 .
  • the method 600 further comprises a step of finishing the step of refilling the electronic cigarette cartridge without detaching the cartridge from the electronic cigarette cause the cartridge and the electronic cigarette are integrity.
  • process-flow diagrams show a specific order of executing the process steps, the order of executing the steps may be changed relative to the order shown in certain embodiments. Also, two or more blocks shown in succession may be executed concurrently or with partial concurrence in some embodiments. Certain steps may also be omitted from the process-flow diagrams for the sake of brevity. In some embodiments, some or all the process steps shown in the process flow diagrams can be combined into a single process

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Abstract

A system and method for refilling an electronic cigarette cartridge provide an efficient means to refill a cartridge of an electronic cigarette with an e-liquid. The system includes a refillable cartridge operable inside an electronic cigarette. The cartridge has an elongated cavity that contains an e-liquid. The cartridge also has a closed-end and an open end. A silicone seal covers the open end. An injection needle penetrates the seal to inject an e-liquid into the cavity. Adjacent to the injection needle, a vent needle penetrates the airtight silicone seal to create a passageway for air to simultaneously escape the airtight cartridge while e-liquid is being injected therein. In this manner, an equilibrium is formed inside the cavity, creating a smoother refilling. In alternative embodiments, the retail package encapsulates the cartridge, whereby injection and vent needles penetrate both the retail package and the seal.

Description

    FIELD OF THE INVENTION
  • The present invention generally relates to a system and method for refilling an electronic cigarette cartridge. More so, the present invention relates to a refilling system and method that provides a refillable cartridge for an electronic cigarette defined by an elongated cavity that contains an e-liquid adapted to vaporize and release flavor during smoking operations, a closed end, an open end, and an airtight silicone seal that covers the open end; whereby an injection needle penetrates the airtight seal to inject an e-liquid into the cavity, and an adjacent vent needle penetrates the airtight silicone seal to create a passageway for air to simultaneously escape the airtight cartridge while e-liquid is being injected, such that an equilibrium is formed inside the cavity; and in alternative embodiments, a retail package encapsulates the refillable cartridge, such that the needles penetrate both the retail package and the airtight silicone seal.
  • BACKGROUND OF THE INVENTION
  • The following background information may present examples of specific aspects of the prior art (e.g., without limitation, approaches, facts, or common wisdom) that, while expected to be helpful to further educate the reader as to additional aspects of the prior art, is not to be construed as limiting the present invention, or any embodiments thereof, to anything stated or implied therein or inferred thereupon.
  • Typically, electronic cigarettes provide smoking-substitute devices that allow a smoker to experience some of the physical and chemical sensations associated with smoking, without actually generating smoke or fire. As such, these devices do not contain the carcinogens and smoke that are detrimental to the health. Also, electronic cigarettes are not affected by the statutory restrictions, smoking bans, and social pressure to stop smoking.
  • Generally, electronic cigarettes are battery-powered electronic devices that resemble a standard tobacco cigarette. Often, the electronic cigarette comprises a cigarette-shaped tube and a mouthpiece. The cigarette-shaped tube typically includes a replaceable or refillable liquid cartridge, a heating element, and a power source. Once the replaceable or refillable liquid cartridge is emptied, it must either be replaced or refilled. Replacing cartridges can be expensive and messy. In prior art refilling methods, the juice is simply poured into the refillable cartridge, which created spillage and required a steady hand.
  • Other proposals have involved e-cigarette cartridge refilling devices and methods. The problem with these refilling means is that they do not create an anti-bacterial environment for refilling e-liquid into the cartridge. Also, the prior art does not evacuate air from the cartridge. Even though the above cited e-cigarette cartridge refilling devices and methods meet some of the needs of the market, a system and method for refilling an electronic cigarette cartridge, is still desired.
  • SUMMARY
  • Illustrative embodiments of the disclosure are generally directed to a system and method for refilling an electronic cigarette cartridge. The system and method provides an efficient means to refill a cartridge of an electronic cigarette with an e-liquid. The system comprises a refillable cartridge operable inside an electronic cigarette, along with a heating element, a vaporizer, and a power source. The refillable cartridge is defined by an elongated cavity that contains an e-liquid adapted to vaporize and release flavor while heated to a predetermined temperature, i.e., vaporization during smoking. The refillable cartridge is also defined by a closed end, an open end, and an airtight silicone seal that covers the open end.
  • In some embodiments, an injection needle penetrates the airtight silicone seal to inject an e-liquid into the cavity. Adjacent to the injection needle, a vent needle penetrates the airtight silicone seal to create a passageway for air to simultaneously escape the airtight cartridge while e-liquid is being injected. In this manner, an equilibrium is formed inside the cavity, creating a smoother refilling process. In alternative embodiments of the system and method, a retail package encapsulates the refillable cartridge, such that the needles penetrate both the retail package and the airtight silicone seal.
  • In one aspect, a system and method for refilling an electronic cigarette cartridge, comprises: a cartridge operable inside an electronic cigarette, the cartridge being defined by an elongated cavity sized and dimensioned to contain an e-liquid, the e-liquid being adapted to vaporize and release flavor when heated, the cartridge further being defined by a closed end and an open end; a seal covering the open end of the cartridge, whereby an airtight environment forms in the cavity of the cartridge; an injection needle defined by an inlet passageway having an e-liquid discharge end and an e-liquid discharge end, the e-liquid discharge end being sized and dimensioned to penetrate the seal and discharge the e-liquid into the cavity; and a vent needle defined by an outlet passageway having an air inlet end and an air outlet end, the air inlet end being sized and dimensioned to penetrate the seal, the outlet passageway being operable to carry air out of the cavity while the e-liquid is discharged into the cavity.
  • In another aspect, the system further comprises a resilient container, the resilient container encapsulating the cartridge and the seal.
  • In another aspect, the e-liquid discharge end of the injection needle is sized and dimensioned to penetrate the resilient container and the seal for discharging the e-liquid into the cavity.
  • In another aspect, the air inlet end is sized and dimensioned to penetrate the resilient container and the seal for carrying air from the cavity of the cartridge.
  • In another aspect, the injection needle is operable to inject a gas into the resilient container.
  • In another aspect, the resilient container is a bag.
  • In another aspect, the cartridge comprises a cylindrical shape.
  • In another aspect, the cartridge comprises a cubical shape.
  • In another aspect, the seal comprises a silicone seal.
  • In another aspect, the seal is operable to self-seal on the open end of the cartridge.
  • In another aspect, the e-liquid is adapted to vaporize and release flavor when heated to a predetermined temperature.
  • In another aspect, the electronic cigarette further comprises a heating element, a vaporizer, and a power source.
  • In another aspect, the cartridge comprises a connector for detachable attachment with the electronic cigarette.
  • In another aspect, the cartridge comprises a cap.
  • In another aspect, the cap comprises one or more apertures.
  • One objective of the present invention is to efficiently refill a cartridge of an electronic cigarette with an e-liquid.
  • Another objective is to allow air to escape the cartridge while it is being filled with e-liquid.
  • Yet another objective is to package the refillable cartridge in a retail bag that can be filled with air, or evacuated from air for facilitated shipping and storage.
  • Yet another objective is to provide an antibacterial packaging for the refillable cartridge.
  • Yet another objective is to make the seal configuration be self-sealing at the open end of the cartridge.
  • Yet another objective is to provide an inexpensive top manufacture refillable cartridge for electronic cigarettes.
  • Other systems, devices, methods, features, and advantages will be or become apparent to one with skill in the art upon examination of the following drawings and detailed description. It is intended that all such additional systems, methods, features, and advantages be included within this description, be within the scope of the present disclosure, and be protected by the accompanying claims and drawings.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
  • FIGS. 1A-1B illustrate perspective views of an exemplary system for refilling an electronic cigarette cartridge, showing a cylindrical shaped cartridge, where FIG. 1A shows the injection and vent needles penetrating the seal, and FIG. 1B shows the cartridge disassembled, in accordance with an embodiment of the present invention;
  • FIGS. 2A-2B illustrate perspective views of a system for refilling an electronic cigarette cartridge, showing a cubicle shaped cartridge, where FIG. 2A shows the injection and vent needles penetrating the seal, and FIG. 2B shows the cartridge disassembled, in accordance with an embodiment of the present invention;
  • FIGS. 3A-3C illustrate perspective views of the prior art e-cigarette cartridge being refilled, where FIG. 3A shows a single needle filling the cartridge with e-liquid, FIG. 3B shows two needles filling the cartridge with e-liquid, and FIG. 3C shows a cap being coupled to a full cartridge, a system for refilling an electronic cigarette cartridge, in accordance with an embodiment of the present invention;
  • FIG. 3D illustrates the single needle comprising a main needle and a sub-needle.
  • FIG. 3E illustrates that each of the two needles comprises two channels.
  • FIG. 4 illustrates a side view of the cylindrical-shaped electronic cigarette cartridge encapsulated in a resilient container, showing the injection and vent needles penetrating the resilient container and the seal, in accordance with an embodiment of the present invention;
  • FIG. 5 illustrates a side view of the cubicle-shaped electronic cigarette cartridge encapsulated in a resilient container, showing the injection and vent needles penetrating the resilient container and the seal, in accordance with an embodiment of the present invention; and
  • FIG. 6 illustrates a flowchart of an exemplary method for refilling a cartridge in a system, in accordance with an embodiment of the present invention.
  • Like reference numerals refer to like parts throughout the various views of the drawings.
  • DETAILED DESCRIPTION OF THE INVENTION
  • The following detailed description is merely exemplary in nature and is not intended to limit the described embodiments or the application and uses of the described embodiments. As used herein, the word “exemplary” or “illustrative” means “serving as an example, instance, or illustration.” Any implementation described herein as “exemplary” or “illustrative” is not necessarily to be construed as preferred or advantageous over other implementations. All of the implementations described below are exemplary implementations provided to enable persons skilled in the art to make or use the embodiments of the disclosure and are not intended to limit the scope of the disclosure, which is defined by the claims. For purposes of description herein, the terms “upper,” “lower,” “left,” “rear,” “right,” “front,” “vertical,” “horizontal,” and derivatives thereof shall relate to the invention as oriented in FIG. 1. Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the following detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the following specification, are simply exemplary embodiments of the inventive concepts defined in the appended claims. Specific dimensions and other physical characteristics relating to the embodiments disclosed herein are therefore not to be considered as limiting unless the claims expressly state otherwise.
  • A system 100 and method 600 for refilling an electronic cigarette cartridge 102 is referenced in FIGS. 1A-6. The system 100 for refilling an electronic cigarette cartridge 102, hereafter “system 100” provides a cartridge 102 that is operable to contain a substance 126 from inside an electronic cigarette. In one embodiment, the substance 126 is an e-liquid 126. The electronic cigarette also provides a heater/atomizer for heating the e-liquid 126, and a power source for the heater. The cartridge 102, which is refillable, disposable, and comes in anti-bacterial packaging, is defined by an elongated cavity 108. In one embodiment, the cartridge 102 comprises a cylindrical shape. However, in another embodiment, a cubicle refillable cartridge 200 has a cubicle or rectangular shape, as shown in FIG. 2A. The cubicle refillable cartridge 200 comprises a square-shaped cap 202 having multiple apertures 204 a, 204 b, 204 c.
  • It should be understood that the above-described shapes of the cartridge 102 are exemplary and any other shapes can be adopted on various of embodiments of this disclosure.
  • Although the above embodiments disclose the e-liquid, it should be understood that other type of substances, such as liquid, solid, air (low-pressure air) or powder substances or combinations of different types of substances can be used to perform that the same function as the e-liquid. It should be understood that the above-described substances can comprise tetrahydrocannabinol (THC), cannabidiol (CBD), hemp, vitamins, alcohol, or any types of substances which can achieve the same function.
  • As shown in FIG. 1A, the cartridge 102 comprises a connector 112 for detachable attachment with the electronic cigarette. The connector 112 may include a screw-like coupling member that mates with a female coupling member in the electronic cigarette. In other embodiments, the cartridge 102 comprises a cap 114 that fits over the opening in the open end 106. The cap 114 is defined by one or more apertures 116 a, 116 b, 116 c that enable passage of an injection needle and a vent needle, as discussed below. The cap 114 may fit over open end 106 of the cartridge 102 through threaded means, or a friction fit relationship. In one aspect, the connector 112 can be a threaded connector or a magnetic connector for attaching and detaching the cartridge 102 on/from the electronic cigarette. It should be understood that the above-described connectors are exemplary, and any other connector can be adopted in various embodiments of this disclosure.
  • In one embodiment, the electronic cigarette and the cartridge 102 can be integrity, and in this manner, the cartridge 102 is embedded with to the electronic cigarette, so the cartridge 102 cannot be detached from the electronic cigarette. In other words, the electronic cigarette is integrity.
  • As shown in FIG. 1B, the cartridge 102 is also defined by a closed-end 104 and an open end 106. The open end 106 has an opening through which the e-liquid 126 can be injected, as discussed below. In one embodiment, the cavity 108 of the cartridge 102 is sized and dimensioned to contain an e-liquid 126. The e-liquid 126 may include a juice or flavored liquid known in the art of e-cigarettes that is adapted to vaporize and release flavor when heated.
  • In some embodiments, the system 100 provides a seal 110 that covers the open end 106 of the cartridge 102. The seal 110 is the component that creates an airtight environment inside the cavity 108 of the cartridge 102. In one possible embodiment, the seal 110 is a self-seal 110 ing silicone seal 110 that is sized and dimensioned to completely cover the opening of the open end 106. This creates an airtight environment in the cavity 108 of the cartridge 102. The cubicle refillable cartridge 200 discussed above utilizes a square-shaped seal 206 to create the airtight environment in the cubicle refillable cartridge 200 (See FIG. 2B).
  • Looking again at FIG. 1A, the system 100 provides an injection needle 118 that injects the e-liquid 126 into the cartridge 102. The injection needle 118 is defined by an inlet passageway 120 c having an e-liquid 126 discharge end 120 b and an opposing e-liquid 126 discharge end 120 a. The e-liquid 126 discharge end 120 b is sized and dimensioned to penetrate the seal 110. The e-liquid 126 discharge end 120 b is operable to penetrate the resilient container and the seal 110 for discharging the e-liquid 126 into the cavity 108.
  • Further, the system 100 provides a vent needle 122 that correlates to the aforementioned injection needle 118. The injection needle 118 is operable to inject a gas into the resilient container. The vent needle 122 is defined by an outlet passageway 124 c having an air inlet end 124 a and an air outlet end 124 b. The air inlet end 124 a is sized and dimensioned to penetrate the seal 110. The outlet passageway 124 c being operable to carry air out of the cavity 108.
  • In one embodiment, both of the injection needle 118 and the vent needle 122 may be operated to inject the e-liquid into the cartridge 102, and the system 100 further comprises a supplemental needle arranged in the middle of the injection needle 118 and the vent needle 122 and is operable to carry out the air out of the cavity 108. Although the above embodiments disclose using three needles, it should be understood that a predetermined number of the needles can be used to perform the same function.
  • In another embodiment, the air inlet end 124 a of the vent needle 122 is sized and dimensioned to penetrate the resilient container and the seal 110 for carrying air from the cavity 108 of the cartridge 102. The outlet passageway is operable to carry air out of the cavity 108 while the e-liquid 126 is discharged into the cavity 108. Thus, a more efficient, smooth filling of e-liquid 126 into the cartridge 102 is possible. This use of two needles performing the separate functions of injecting e-liquid 126 and venting air from the cartridge 102 is a variance from the prior art e-cigarette cartridge 300.
  • In the prior art embodiments, an e-cigarette cartridge 300 is refilled in a more straightforward manner in which: air is not vented out of the cartridge, and no airtight seal is used to cover the opening of the cartridge. For example, FIGS. 3A-3C illustrate perspective views of prior art e-cigarette cartridge being refilled, where FIG. 3A shows a single needle filling a prior art cartridge 300 with e-liquid. FIG. 3B shows two needles filling the prior art cartridge 300 with e-liquid. And FIG. 3C shows a cap being coupled to a full cartridge. Thus, in the prior art, a single needle 302 a simply entered the cavity 108 of the cartridge 300 to inject the desired amount of e-liquid 126 (FIG. 3A).
  • In other embodiment of the prior art embodiments, a first needle 302 a, and a second needle 302 b simultaneously inject e-liquid 126 into the cavity 108 (FIG. 3B), so as to increase the refill rate. Finally, after the cartridge 102 is filled to the desired level, a cap 306 is rotatably coupled to a central stud 304 in the electronic cigarette. The e-liquid 126 is now ready for heating/atomizing to release flavor during smoking operations. The present invention, as discussed above, utilizes a single injection needle 118 that penetrates the seal 110 to inject. And simultaneously vents air out of the cartridge 102.
  • Instill yet another embodiment, as shown in FIG. 3D, the first needle 302 a comprises a main needle 3021 a and an outer cavity 3022 a formed between the first needle 302 a and the main needle 3021 a. The main needle 3021 a is a central needle disposed in the middle of the first needle 302 a, and an outer periphery surface of the main needle 3021 a is surrounding around the main needle 3021 a to form the outer cavity 3022 a. In this manner, the e-liquid 126 is injected into the cartridge 102 through the main needle 3021 a, and the air is vented out from the cartridge 102 through the outer cavity 3022 a.
  • In still yet another embodiment, as shown in FIG. 3E, the first needle 302 a comprises a first channel 3023 a and a second channel 3024 a, and the second needle 302 b comprises a third channel 3023 b and a fourth 3024 b, wherein the e-liquid 126 can be injected through one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b, and the air can be vented out from one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b.
  • Accordingly, in the above-described embodiment, the cartridge 102 doesn't package. However, the cartridge 102 may be packaged as a packaged product. It should be understood that the above-described package or non-package configurations are exemplary and any other configuration can be adopted in various embodiments of this disclosure.
  • It should be understood that the above-described numbers of channels or needles are exemplary, and any numbers of channels and needles can be adopted in various embodiments of this disclosure.
  • Alternatively, the noble gases can be injected into the cartridge 102 through one of the needles 302 a, 302 b. Or, the noble gases can be injected into the cartridge 102 through one or more than one of the channels 3023 a, 3024 a, 3023 b, 3024 b, wherein the noble gases is at a constant temperature. In one aspect, the nobles gases is at a temperature approximately minus ten degrees to plus ten degrees.
  • In one embodiment, accordingly, the noble gases is delivered into the cartridge 102 to cool down the temperature of the e-liquid. In one aspect, the e-liquid is condensed to form a condensed e-liquid, so as to remain the condensed e-liquid inside the cartridge 102.
  • Turning now to FIG. 4, the system 100 provides unique packaging and marketing means through the use of a retail bag that the cartridge 102 is stored inside. In this regard, the system 100 provides a resilient container 400 that both protects and provides a sterile, anti-bacterial environment for the cartridge 102. The resilient container is configured to encapsulate the cartridge 102 and the seal 110. In operation, the needles penetrate both the resilient container and the seal 110 to access the cavity 108 of the cartridge 102.
  • Furthermore, the resilient container 400 can be useful for shipping and marketing purposes. Also, this is useful for packaging food, pharmaceuticals, medicine, and other needs that require anti-bacterial protection. In one non-limiting embodiment, the resilient container is a seal 110able bag. The resilient container 400 is also effective for encasing a cubicle-shaped cartridge 102, as shown in FIG. 5. In any case, the needles penetrate both the resilient container and the seal 110 to access the cavity 108 of the cartridge 102.
  • FIG. 6 illustrates a flowchart diagram of an exemplary method 600 for refilling an electronic cigarette cartridge with a system. The method 600 may include an initial Step 602 of depleting an e-liquid contained in a cavity of a refillable cartridge of an electronic cigarette, the cartridge being defined by a closed-end and an open end, a seal forming across the open end. The method 600 may further comprise a Step 604 of detaching the cartridge from the electronic cigarette. A Step 606 includes penetrating an injection needle through the seal.
  • In one embodiment, a Step 608 comprises penetrating a vent needle through the seal, adjacent to the injection needle. A Step 610 includes injecting, through the injection needle, an e-liquid into the cavity of the cartridge. In some embodiments, a Step 612 may include venting, through the vent needle, air from the cavity, simultaneous with the injection of e-liquid. A Step 614 comprises selectively attaching the cartridge to the electronic cigarette. A final Step 616 includes heating the e-liquid to vaporize and release flavor for smoking.
  • In another embodiment, the method 600 further comprises a step 611 of stopping the injection of the e-liquid. The water or any liquid substance has cohesive force, so the e-liquid remaining inside the needle may continuously inject into the cavity of the cartridge even of no more e-liquid is fed into the needle. Therefore, a step 611 could remain the e-liquid inside the needle once the refilling method 600 is stopped.
  • Accordingly, the cartridge may be attached with the electronic cigarette, and in this manner, the cartridge is detachable 6041. In one aspect, the cartridge and the electronic cigarette are integrity, and in this manner, the cartridge is affixed with the electronic cigarette 6042.
  • In yet another embodiment, after step 612, venting the air from the cavity through the vent needle, the method 600 further comprises a step of finishing the step of refilling the electronic cigarette cartridge without detaching the cartridge from the electronic cigarette cause the cartridge and the electronic cigarette are integrity.
  • Although the process-flow diagrams show a specific order of executing the process steps, the order of executing the steps may be changed relative to the order shown in certain embodiments. Also, two or more blocks shown in succession may be executed concurrently or with partial concurrence in some embodiments. Certain steps may also be omitted from the process-flow diagrams for the sake of brevity. In some embodiments, some or all the process steps shown in the process flow diagrams can be combined into a single process
  • These and other advantages of the invention will be further understood and appreciated by those skilled in the art by reference to the following written specification, claims, and appended drawings.
  • Because many modifications, variations, and changes in detail can be made to the described preferred embodiments of the invention, it is intended that all matters in the foregoing description and shown in the accompanying drawings be interpreted as illustrative and not in a limiting sense. Thus, the scope of the invention should be determined by the appended claims and their legal equivalence.

Claims (20)

What is claimed is:
1. A system for refilling an electronic cigarette cartridge, the system comprising:
a cartridge operable inside an electronic cigarette, the cartridge being defined by an elongated cavity, the cartridge further being defined by a closed end and an open end;
a seal covering the open end of the cartridge, whereby an airtight environment forms in the cavity of the cartridge;
an injection needle defined by an inlet passageway having an e-liquid discharge end and an e-liquid discharge end, the e-liquid discharge end being sized and dimensioned to penetrate the seal; and
a vent needle defined by an outlet passageway having an air inlet end and an air outlet end, the air inlet end being sized and dimensioned to penetrate the seal, the outlet passageway being operable to carry air out of the cavity.
2. The system of claim 1, further comprising a resilient container, the resilient container encapsulating the cartridge and the seal.
3. The system of claim 2, wherein the e-liquid discharge end of the injection needle is sized and dimensioned to penetrate the resilient container and the seal for discharging the e-liquid into the cavity.
4. The system of claim 3, wherein the air inlet end of the vent needle is sized and dimensioned to penetrate the resilient container and the seal for carrying air from the cavity of the cartridge.
5. The system of claim 4, wherein the injection needle is operable to inject a gas into the resilient container.
6. The system of claim 5, wherein the resilient container is a sealable bag.
7. The system of claim 1, wherein the cavity of the cartridge is sized and dimensioned to contain an e-liquid, the e-liquid being adapted to vaporize and release flavor when heated.
8. The system of claim 7, wherein the e-liquid discharge end is sized and dimensioned to penetrate the seal and discharge the e-liquid into the cavity.
9. The system of claim 8, wherein the outlet passageway being operable to carry air out of the cavity while the e-liquid is discharged into the cavity
10. The system of claim 1, wherein the cartridge comprises a cylindrical shape.
11. The system of claim 1, wherein the cartridge comprises a cubical shape.
12. The system of claim 1, wherein the cartridge comprises a connector for detachable attachment with the electronic cigarette.
13. The system of claim 1, wherein the cartridge comprises a cap.
14. The system of claim 13, wherein the cap is defined by one or more apertures.
15. The system of claim 1, wherein the seal comprises a silicone seal.
16. The system of claim 15, wherein the seal is operable to self-seal on the open end of the cartridge.
17. A system for refilling an electronic cigarette cartridge, the system comprising:
a cartridge operable inside an electronic cigarette, the cartridge being defined by an elongated cavity sized and dimensioned to contain an e-liquid, the e-liquid being adapted to vaporize and release flavor when heated, the cartridge further being defined by a closed end and an open end, the cartridge comprising a connector for detachable attachment with the electronic cigarette, the cartridge comprising a cap, the cap being defined by one or more apertures;
a seal covering the open end of the cartridge, whereby an airtight environment forms in the cavity of the cartridge;
an injection needle defined by an inlet passageway having an e-liquid discharge end and an e-liquid discharge end, the e-liquid discharge end being sized and dimensioned to penetrate the seal and discharge the e-liquid into the cavity;
a vent needle defined by an outlet passageway having an air inlet end and an air outlet end, the air inlet end being sized and dimensioned to penetrate the seal, the outlet passageway being operable to carry air out of the cavity while the e-liquid is discharged into the cavity; and
a resilient container, the resilient container encapsulating the cartridge and the seal.
18. The system of claim 17, wherein the injection needle is operable to inject a gas into the resilient container.
19. The system of claim 17, wherein the seal is operable to self-seal on the open end of the cartridge.
20. A method for refilling an electronic cigarette cartridge with a system, the method comprising:
depleting an e-liquid contained in a cavity of a refillable cartridge of an electronic cigarette, the cartridge being defined by a closed end and an open end, a seal forming across the open end;
detaching the cartridge from the electronic cigarette;
penetrating an injection needle through the seal;
penetrating a vent needle through the seal, adjacent to the injection needle;
injecting, through the injection needle, an e-liquid into the cavity of the cartridge;
venting, through the vent needle, air from the cavity, simultaneous with the injection of e-liquid;
attaching the cartridge to the electronic cigarette; and
heating the e-liquid to vaporize and release flavor for smoking.
US16/661,882 2019-10-23 2019-10-23 System and method for refilling an electronic cigarette cartridge Abandoned US20210120885A1 (en)

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