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AssigneeErhard & Soehne GmbH
InventorsWolfgang Petzendorfer, Alexander Koegel, Steffen Zanek
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The invention relates to a compressed air tank for utility vehicles, comprising a tubular or cylindrical jacket sealed at both ends by way of welded outer bases. At least one outer base and/or the jacket is provided with a hole. A sleeve is welded onto the hole. At least the inside of the compressed air tank is provided with an inner coating. The contact surfaces between the jacket and the outer bases are adapted such that the contact surfaces abut one another and such that the contact surfaces can be welded together without using any weld material through laser welding. The sleeve is welded onto the hole by way of laser welding or CD welding. The inner coating of the tank is manufactured by powder coating.
A compressed air tank for utility vehicles, said air tank comprising:
The compressed air tank as claimed in claim wherein the laser has two laser heads, which simultaneously weld together the contact surfaces between an outer base and the casing.
A method for manufacturing a compressed air tank for utility vehicles, in particular for air suspensions of utility vehicles, said method comprising the steps of:
Dependencies are inferred from the claim text.