B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 19/02 (2006.01) B29C 49/22 (2006.01) B32B 27/08 (2006.01) C08L 23/06 (2006.01)
Patent
CA 2543168
The invention relates to a method for producing multi-layered containers from a thermoplastic material (10), said containers being used to store and transport liquid fillers, especially combustible or explosive fillers, and a plastic container produced using said method. The inventive containers are provided with a thin, permanently electrostatically non-chargeable or electrically derivable outer layer. According to the invention, the permanently electrostatically non-chargeable or electrically derivable properties of the outer layer are created by adding a defined quantity of a specific compound based on a polymer to the base plastic material of the outer layer and incorporating the same into the plastic material, and the outer layer is thin so that the transparency or translucency of the compounded outer layer is either not affected, or only slightly affected, such that the filling level of a liquid poured into the container remains optically identifiable without taking any other measures.
L'invention concerne un procédé de fabrication de contenants multicouches en thermoplastique (10), destinés au stockage et au transport de matières liquides, notamment de matières inflammables et explosives, ainsi qu'un contenant en plastique ainsi fabriqué. Les contenants selon l'invention sont pourvus d'une mince couche extérieure ne pouvant pas être chargée électrostatiquement ni déchargée électriquement de façon durable. Selon l'invention, on additionne et mélange au matériau plastique de base de ladite couche extérieure un composé à base polymère dans une quantité limitée, de telle manière que l'épaisseur de ladite couche extérieure reste faible et que la transparence ou la translucidité de la couche extérieure composite n'en est que peu modifiée. Ainsi, le niveau de remplissage d'un liquide dans ledit contenant peut être détecté optiquement sans aide extérieure.
Schmidt Klaus-Peter
Schubbach Reinhard
Marks & Clerk
Mauser-Werke Gmbh
Mauser-Werke Gmbh & Co. Kg
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