Blown plastic containers with threads

Details Blown plastic containers with threads Blown plastic containers with threads

B - Operations, Transporting

65

D

B65D 1/02 (2006.01) B29C 49/04 (2006.01) B29C 49/76 (2006.01) B65D 1/40 (2006.01)

Patent

CA 2249728

A blown plastic container includes a hollow plastic body, an integral blow molded shoulder and an integral blow molded finish with a radially outwardly extending blow molded retention means such as a thread or bead on the finish. In one form, the reinforcing means comprises blow molded axial columns extending radially outwardly. In another form, the reinforcing means comprises geometric depressions. Preferably, the reinforcing means are disposed circumferentially at equal spacing. When the extrusion blow molded container is trimmed, the finish may have an annular frustoconical radial ledge spaced from the open end of the finish. The reinforcing means may extend between the ledge and the lowest mold threads or beads, between the threads or beads, or for the full height of the finish above the ledge.

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