摘要 |
A method of blow molding an article comprises providing a mold having a single mold cavity and a length and a width. The mold may be oriented such that the length is oriented horizontally. A first parison and a second parison are extruded into the mold cavity. The first parison and the second parison are expanded such that the material from the first parison contacts the material from the second parison to form a structural rib inside of the article. A blow molded article is also provided comprising an outer wall formed of a first parison and a second parison where a structural rib is formed where the first parison contacts the second parison. Additional parisons may be used in the same mold cavity forming additional ribs and compartments.
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