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Apparatus for pressurizing containers and carbonating liquids

  • US 5,329,975 A
  • Filed: 09/22/1993
  • Issued: 07/19/1994
  • Est. Priority Date: 09/22/1993
  • Status: Expired due to Fees
First Claim
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1. A system for pressurizing containers, said system comprising:

  • a charging gun which is sized to be held by hand, said gun sized to receive a standard cartridge containing compressed gas, said gun having;

    a piercing element positioned to pierce a diaphragm on the cartridge to allow compressed gas to escape from the cartridge;

    an inlet port into which gas from said cartridge flows;

    an outlet port which is in fluid communication with said inlet port;

    a manually controllable valve which controls the flow of gas out of the cartridge;

    a first check valve cap having an access port therethrough;

    a coupling device for releasably coupling said outlet port with said access portion said check valve cap said cap being removably secured to an opening on said container so as to permit flow of compressed gas from said cartridge into said container; and

    said first check valve cap configured to be removably attached to an opening on a first container, said cap having;

    a receptor portion defining said access prot which is adapted to mate with said coupling device;

    and through which gas can flow into and out of said container while the cap is attached to the container; and

    a check valve in said access port normally held in a closed position so as to prevent gas flow out of said container and to retain pressure within the container;

    wherein the receptor portion and coupling device of the gun are configured to be manually engaged in order to open the check valve and permit flow of gas from the cartridge into the container through the access port in the cap, and to be disengaged after the pressure within the container has reached a desired level, without releasing any pressure within the container.

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