CONTAINER FOR STORAGE AND TRANSPORTATION

PROBLEM TO BE SOLVED: To maintain pollution conditions within the container by forming the surface parts of a container interior part of any one of metal, glass, ceramic, and quartz or a combination of these substances except a fluorine polymer material part, and employing fluorine polymer material...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NONAKA TATSUO, ABE KATSUMASA, TAKEDA KIKUO, MOCHIZUKI AI, INOUE YOSHIO, OTSUKA YOSHIYASU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To maintain pollution conditions within the container by forming the surface parts of a container interior part of any one of metal, glass, ceramic, and quartz or a combination of these substances except a fluorine polymer material part, and employing fluorine polymer material among constitutional parts as a press sealing material. SOLUTION: A container main body 1 and an open and close part door 2 for taking in and out a sample is made of aluminum. A metal holding member 4 of a wafer 3 is manufactured of stainless steel. A gasket of a vinylidene fluoride-propylene hexafluoride copolymer is used for a press sealing material 5 for sealing the space between the open and close type door 2 and the main body 1. By this construction, since metal is employed in a surface part to be exposed to air on the inner surface of the container, a pollution substance of an organic component or inorganic ion element never occurs from the main body part 1 or door 2. Furthermore, organic component pollution or inorganic ion component pollution caused by the air can be solved because of attachment of the press sealing material 5 of a fluorine polymer material.