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Bottle cap with a chamber for raw material and pressure gas

  • US 20030017236A1
  • Filed: 06/05/2002
  • Published: 01/23/2003
  • Est. Priority Date: 06/19/2001
  • Status: Abandoned Application
First Claim
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1. A bottle cap (1) provided with a fixed portion (2) and a movable portion (3) which are separably screwed with each other;

  • said fixed portion (2) being for supporting said movable portion (3) and having an attaching portion (2a) to an opening (11a) of a bottle (11) and a through hole (2b) on an axial line (x), said movable portion (3) having an inner plug portion (4) protruding from a face (3a) thereof on said axial line (x) and through said through hole (2b), said inner plug portion (4) being provided with a chamber (5) for raw material (12) and pressure gas (13), an opening plane (5a) at the other end of said chamber (5) being sealed with a plug (6), between said plug (6) and said fixed portion (2) there existing a plug opening means (7) and said plug (6) being to be opened by said plug opening means (7) during relative movements of said fixed portion (2) and said movable portion (3).

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