Plastic blow molded container having stable freestanding base

Details Plastic blow molded container having stable freestanding base Plastic blow molded container having stable freestanding base

1997-09-10

2000-02-01

Weaver, Sue A.

Bottles and jars

End wall structure

One-piece side and end wall

220606, 220608, B65D 102, B65D 142, B65D 2300

Patent

active

060192364

ABSTRACT:
A plastic blow molded container (10) is disclosed as including a freestanding base structure (20) that is constructed with a plurality of alternating hollow legs (22) and curved ribs (34), and a hub (41) from which the legs and ribs extend radially with a construction that provides good stability against tipping as well as the capability of withstanding internal pressure. The hollow leg (22) has lower flat feet (24) with curved outer extremities that extend circumferentially for 45 to 65 percent of the extent about a central axis A of the container to provide good stability against tipping. Best results are achieved when the lower flat feet have curved outer extremities that extend circumferentially for 50 to 60 percent, and most preferably about 55 percent of the extent about the central axis A to provide the good stability against tipping.

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