| 摘要 |
<p>An appts. for making straight, curved and arched or domed walls in situ of foamed plastics, for houses, vessels etc. comprising a pair of mould walls formed of endless belts mounted on a travelling chassis, is constructed so that the drive members for the chassis are separately mounted below the mould walls. Specifically, the drive members may be tyred wheels, rollers or endless belts mounted in a position of the chassis which can be articulated relative to the upper portion which supports the mould walls. The advantage of the arrangement is its adaptability.</p> |
