Bottles and jars – End wall structure – One-piece side and end wall
Reexamination Certificate
2005-06-21
2005-06-21
Weaver, Sue A. (Department: 3727)
Bottles and jars
End wall structure
One-piece side and end wall
C220S606000, C220S609000
Reexamination Certificate
active
06908002
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 legs (22) have lower flat feet (24) with an outer diameter Df, and the hub (41) has a periphery connected to the feet and ribs with a height Hpsuch that the ratio of the diameter Dfover the height Hpis in the range of about 25 to 90 to maintain strength without the hub engaging the supporting surface on which the feet rest. The construction disclosed of the legs (22), ribs (34) and hub (41, 41′ and 41″) enhances the capability of the base structure in providing good stability as well as the capability of withstanding internal pressure and stress cracking.
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Behm Dale H.
Darr Richard C.
Young William C.
Brooks & Kushman P.C.
Plastipak Packaging, Inc.
Weaver Sue A.
LandOfFree
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