| 摘要 |
<p>A hollow pot includes a pot unit 1 and a connection unit B. The connection unit B is a hollow unit and installed to an inner surface of a mould set before pressurized air is introduced in the mould set and before the mould set is closed. A probe 95 is inserted into the mould set and blows plastic material into the mould set. The plastic material expands and contacts the inner surface of the mould set, and seals the connection holes of the connection unit B. The plastic material is extended and broken to match the connection holes of the connection unit. The plastic material solidifies to form the pot unit. The pot unit is air-tightly connected to the connection unit, and the conjunction area of the connection unit communicates with the space in the pot unit.</p> |
