| 摘要 |
<p>A modular collapsible perimeter wall (30) supports a flexible water impervious liner (33) and forms a spa pool. Each module (10) has complementary nesting edge formations comprising projections (13) and recesses (14) which are pinned and secured together for operative alignment. Each wall module (10) is a full height module, is hollow and formed of platics material. The inner wall (18) has a central nozzle supporting recess (21) and registering horizontal grooves (20 and 22) supporting water (41) and air supply hoses (40) for the nozzles (42). Water inlet and outlet fittings and an air supply fitting is formed in one module (35).</p> |
