Importance

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Abstract

A reserve tank for engine coolant formed by a blow molding method in which an external surface of the reserve tank is colored simultaneously with blow molding process and thus painting is unnecessary, and a straddle-type all terrain vehicle equipped with the reserve tank. The method comprises the steps of placing a thermoplastic tube, called a 'parison', between halves of an open mold, closing the mold halves, blowing the parison to expand the parison to the cavities of the mold halves, and cooling the parison to set the material, thereby forming the reserve tank. The method further comprises the steps of placing a thermoplastic film with a color which is different from that of the parison so that it covers at least one of the cavities before closing the molds, and expanding the thermoplastic film to the cavities along with the parison so that the film sticks thereto.

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First Claim