| 摘要 |
PURPOSE: A watertight connection structure is provided to isolate a water leakage by firmly fixing a rubber ring through a pressure-fixing member. CONSTITUTION: A connection member(3) is connected with a synthetic resin pipe(1), installed on an assembling groove(12) in one diameter and formed on a projected sill(8) in the outside. A pressure-fixing member(10) fixes a rubber ring(11) to be inserted in the assembling groove. The pressure-fixing member is fixed in the assembling groove by forming a tooth-shaped recessed portion in the outer diameter. Connection covers(4,4') are connected in connecting protrusion portions(5) by installing a fixing holder(13) in a holder groove. The connection covers fixes the pressure-fixing member and the synthetic resin pipe. Thereby, the cause of the water leakage is solved by preventing the weakness of the connection member.
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