PLASTIC CAP HAVING A POURING PROTRUSION
World Intellectual Property Organization Patent
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Abstract
Provided is a plastic cap having a pouring protrusion, which can pour a content liquid smoothly with a constant liquid width even in case the degree of inclination of a container at the time of pouring the content liquid is more or less changed and which can adjust the liquid quantity easily. The plastic cap is characterized in that a bill portion (20) protruding obliquely outward is formed at the upper end portion of a pouring cylinder (11) formed at a top plate portion (5) of a cap body (1), in that the lower end portion of the inner face of the pouring cylinder (11) is a generally cylindrical seal face (17), in that a groove (30) extending from the upper end portion of the seal face (17) to the upper end of the bill portion (20) is formed in the inner face of the bill portion (20) of the pouring cylinder (11), and in that a seal ring (29), which comes into close contact with the seal face (17) of the inner face of the pouring cylinder (11) when the upper cover (2) is closed, is formed on the inner face of an upper cover (2).
First Claim
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International Classification(s)
Cited Art Landscape
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