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Pressurized container-dispensers and filling method

  • US 4,049,158 A
  • Filed: 11/13/1975
  • Issued: 09/20/1977
  • Est. Priority Date: 11/13/1975
  • Status: Expired due to Term
First Claim
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1. In a pressurized container-dispenser of the type having a container body and a product chamber therein, valve means for controlling the dispensing of a product therefrom and means to pressurize the product chamber whereby to expel product through the valve means, the improvement wherein said pressurizing means comprises:

  • a separate pressure source chamber within said container body;

    a gas-adsorbent solid and a gas adsorbable thereon within said source chamber to provide a gas reserve whereby pressure in said source chamber is substantially reinforced despite a decrease in gas/volume in the source chamber; and

    means to transmit pressure of the source chamber to the product chamber.

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