DOUBLE WALL TANK, ESPECIALLY FOR STORAGE FUEL OIL, DIESEL FUEL, LUBRICATING OILS AND HYDRAULIC OILS.

摘要

Double-walled tank, especially for storing fuel oil, diesel fuel, lubricating oils and hydraulic oils, with an inner container (1) of plastic and an outer container of steel sheet, where the outer container (2) is provided with a lid (6) containing openings for fittings (7) of the inner container (1), in which the lid (6) of the container has a U-shaped collar (8) in cross section which is seated on the upper edge of the envelope (3) of the container and fixedly connected with said envelope (3), in which the inner space of the collar (8) contains a seal (9) that seals the collar (8) against the envelope (3) of the container in a gas tight manner, in which a wing (10) of the collar (8) which is applied to the inner side of the shell (3) of the container is fixedly connected with said shell (3), and and in which pressure rings (14) are arranged on the fittings (7) for ap Licar presses seals (15) around the fittings (7) in the form of rings.