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PRESSURE REGULATION AND VENTING CHECK VALVE STRUCTURE AND METHOD FOR PRESSURE REGULATION FOR SQUEEZING CONTAINER
PRESSURE REGULATION AND VENTING CHECK VALVE STRUCTURE AND METHOD FOR PRESSURE REGULATION FOR SQUEEZING CONTAINER
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机译:挤压容器的压力调节和排气单向阀结构及压力调节方法
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摘要
PROBLEM TO BE SOLVED: To provide a pressure regulation and venting check valve structure of a squeezing container capable of squeezing a little remaining content to the last and surely by easily resolving a negative pressure condition of a tubular container with an insufficient self-restoring force.;SOLUTION: The valve structure mounted on the body part of the squeezing container has a communicating pipe with a cutting blade on its one end inserted into an approximately central part of an elastic sheet and a valve made of a flexible resin passing through the pipe. The valve has either one of approximately a mushroom-like shape or a spindle-like shape with a larger diameter than the inner diameter of the pipe on its one end under an ordinary condition, and has approximately a sphere shape on the other end. Both ends are projected from the pipe and a part between both ends are made to be a shaft part with a smaller diameter than the inner diameter of the pipe.;COPYRIGHT: (C)2004,JPO
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