| 摘要 |
An air pressure tube fitting apparatus is provided to reduce an installation cost with an environment-friendly benefit by inserting an air-tube into a contact rubber to be in contact with ends of a drain-hose. An air pressure tube fitting apparatus includes a drain-hose(10), a contact rubber(20), and an air-tube(30). The drain-hose is inserted in an exhaust hole(11). The contact rubber consists of an internal plate(21), an external plate(22), and a bottom plate. The internal plate surrounds an end of the drain-hose. The external plate is closely contacted to an inner wall of the exhaust hole having a predetermined gap from the internal plate. The bottom plate is connected to the internal and external plates. The air-tube is interposed between the internal and external plates and expands with air pressure injected from an air pump(33) through a connection-hose(32).
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