| 摘要 |
<p>The door (4) has a groove arranged in periphery of the door, where a door frame (3) of the door is produced by thermoforming. An inflatable joint allows sealing of the door at the time of pressurization of air of the joint. A pump is inflatable by pressure of air of the joint and a pressure controller, which controls the pressure permanently to ensure the pressure required for sealing. A space between a bathtub (1) and its apron is filled with polyurethane foam. An independent claim is also included for a method for preparation of a bathtub intended to receive a door.</p> |
