MEMBER FOR SEALING NEEDLE HOLE

PROBLEM TO BE SOLVED: To easily handle a liquid container from the outside while containing airtightly the liquid in the container, by providing an adhesive part which is freely adhesive against the external face of the resin container, at one side of a base plate made of soft rubber and providing a...

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Bibliographische Detailangaben
1. Verfasser: SAKO YOSHIO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To easily handle a liquid container from the outside while containing airtightly the liquid in the container, by providing an adhesive part which is freely adhesive against the external face of the resin container, at one side of a base plate made of soft rubber and providing a projection for a sticking needle at the other side face of the adhesive part. SOLUTION: In a sealing member A for a needle hole, an adhesive part 2 which is adhesive against the external face of a resin container, at one side face of isoprene rubber base plate 1 vulcanized with a peroxide and a projection for sticking needle is formed at the other side face of the adhesive part 2. And further, a both-side tape is stuck on one side face of the base plate 1 to form an adhesive layer 2a. The sealing member A for a needle hole is stuck on a plane part of the polypropylene container and the container is stuck from the projection 3 into the inside of the container by an injection needle of 1.22 mm diameter. Thereafter, the inside pressure of the container is raised up to 150 mmHg. In this time, the inside gas does not leak out.