| 摘要 |
A pipeline or measuring tube having at least one insulating layer, at least in certain regions, and comprising, manufactured in a primary shaping method, a tubular element, which has an otherwise closed structure and which has at least one region with an open-pored, cellular structure, wherein the material of the insulating layer, in the applying of the insulating layer, can penetrate into the pores of the open-pored, cellular structure of the tubular element and the insulating layer has on the side to be insulated a closed, homogeneous structure. |
