Bottle cap with a chamber for raw material and pressure gas
First Claim
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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Accused Products
Abstract
A bottle cap provided with a fixed portion and a movable portion which are separably screwed with each other. The fixed portion is for supporting the movable portion and has an attaching portion to an opening of a bottle and a through hole on an axial line. The movable portion has an inner plug portion which protrudes from a face thereof on the axial line and passes through the through hole. The inner plug portion is provided with a chamber for raw material and pressure gas. An opening plane at the other end of the chamber is sealed by a plug. The plug has a flange projects from the inner plug portion and is to be opened as a periphery portion of the through hole interferes the flange during relative movements of the fixed portion and the movable portion.
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Citations
11 Claims
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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;
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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). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification