| 摘要 |
PROBLEM TO BE SOLVED: To overcome such a problem that in a conventional sealing method for piping wherein a crush allowance of a molded rubber packing is utilized or a molded rubber packing is forced into a pipe, a die having a shape in accor dance with that of the molded rubber pipe is required and hence a plurality of dies are needed to improve productivity. SOLUTION: In the dish washer wherein a washing tank to receive dishes to be washed and a wash water spray system provided in the tank are provided, and the system has a mechanism to spray water into the tank, while a fluid passage means in communication with the spray mechanism is made integral to the tank through a duct to form a water conduit, a groove 45 is provided in the duct, and an adhesive elastic body is fitted into the groove 45, while a projection 46 is provided on the contact portion of the elastic body on the side of the wash tank, and the elastic body is compressed to seal the tank.
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