| 摘要 |
A pipe (2) comprising an inner pipe member (4) positioned within an outer pipe member (6), the inner and outer pipe members (4, 6) being of such a relative size that there is a space (8) between the inner and outer pipe members (4, 6), and this space (8) being filled with a foamed material (10). The foamed material (10) is preferably a cementitious foamed material. The foamed material may be reinforced by a reinforcing material. A process for the production of the pipe is also disclosed. <IMAGE> |
