FLASK-CHARGING APPARATUS

  • US 3,592,244 A
  • Filed: 06/28/1968
  • Issued: 07/13/1971
  • Est. Priority Date: 06/28/1968
  • Status: Expired due to Term
First Claim
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1. An apparatus for charging portable containers having at one end a hollow gas inlet port provided with a check valve permitting flow of gas only into the container, said apparatus comprising a container-charging station adapted to have the end of a container carrying the gas inlet port positioned thereon, a tubular outlet means fixedly connected to the charging station and positioned and dimensioned to slidably receive the gas inlet port and produce a gastight seal when the container is slid thereon, said tubular outlet means comprising a post having passage means for alignment with said check valve and elastic means for sealingly engaging said hollow inlet port of said container for a predetermined pressure, said elastic means engaging said hollow inlet port on each side of said check valve to preclude said container from being propelled from said post, gas-compressing means and a connection to the tubular outlet means, and means responsive to sliding a container into the charging station to initiate the gas-compressIng means, whereby when a container is slid on the charging station compressed gas passes through the tubular outlet and the gas inlet port of the container into the container only when the passage and check valve are aligned.

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