B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 51/20 (2006.01) A61J 1/14 (2006.01) B65D 47/36 (2006.01) B65D 51/28 (2006.01)
Patent
CA 2410839
A sealing mechanism for a vessel (2) which mechanism characterized in that: said vessel (2) and a cap (1) are provided, which vessel (2) having an opening portion (3) and which cap (1) having a plug portion (4), a seal plug (5) and a sleeve (6), said plug portion (4) has a top board (11) to cover said opening portion (3), a side wall (12) projecting from said top board (11) along axis (X) of said plug portion (4) which wall has an inner circumferential surface fits on an outer circumferential surface of said opening portion (3), and a cylindrical wall (15) forming a receiving chamber (14) having an opening mouth (13) at its under end face which wall projects from said top board (11) at inner side of said side wall (12), said seal plug (5) is to be fixed on said cylindrical wall (15) to seal said opening mouth (13) and its outer diameter (D1) is larger than outer diameter (D2) of said cylindrical wall (15), said sleeve (6) is loosely fitted on said cylindrical wall (15) and has a flexible sepal portion (16) on said outer circumference which portion has outer diameter larger than inner diameter (D3) of said opening portion (3) and passes said inner diameter (D3) bending so as to avoid backward moving, and at relative movement of said cap (1) to said vessel (2) toward direction where they separate from each other, said seal plug (5) is separated by said sleeve (6) from said cylindrical wall (15) and said opening mouth (13) is to be opened.
Takahashi Masashi
Yoshiwara Tetsuo
Marks & Clerk
Nippon Tansan Gas Company Limited
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