| 摘要 |
Blow molded container and related process are provided wherein a container having at least an upper, non-self-supporting, flexible portion is blow molded to include an integral press-lock type closure about its upper open end. The blow mold cavity is formed to provide a rib or bead about one-half the periphery of the container open end, and a hollow recess about the other one-half of the periphery of the container open end. the upper end of the finished container may be flattened along its upper edge and closed by pressing the rib into the recess. It one embodiment of the invention, the lower portion of the container may be of greater thickness, but nevertheless integral with the upper portion, so as to be stable or self-supporting. In another embodiment, the container may be non-self-supporting throughout while, in still another embodiment, the container may be self-supporting throughout its length.
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