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US6585123: Bottle base

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Filing Information

Inventor(s) Marc A. Pedmo · Richard C. Darr ·
Assignee(s) Plastipak Packaging, Inc. ·
Attorney/Agent(s) Robert H. Bachman ·
Primary Examiner Sue A. Weaver ·
Application Number US10154677
Filing date 05/22/2002
Issue date 07/01/2003
Predicted expiration date 05/22/2022
U.S. Classifications 215/10  · 220/608  · 206/509  · 215/365  · 220/674  · 215/373  ·
International Classifications --
Kind CodeB1
International Classifications 215373 · 215365 · 215366 · 215367 · 215 10 · 40310 · 220606 · 220674 · 220608 · 220 236 · 2064595 · 206509 ·
17 Claims, 4 Drawings


Abstract

Biaxially oriented, hollow plastic bottle of thermoplastic material having an improved base. The base includes an outer supporting annular rim for supporting the bottle on a surface and an inwardly extending portion of the base, wherein the space between the central portion of the base and the outer supporting rim includes a plurality of struts extending radially from the central portion of the base towards the annular rim.

Independent Claims | See all claims (17)

  1. 1. A hollow plastic bottle, which comprises: a hollow body of thermoplastic material having a generally cylindrical side wall, an upper end with a dispensing opening therein, and a lower supporting base with an inwardly extending portion having an outside surface thereof; wherein said base includes a continuous outer supporting annular rim for supporting the bottle on a surface; a central portion of said base; and wherein the space between the central portion of the base and the outer supporting rim includes a plurality of struts extending radially from the central portion of the base towards the annular rim, and wherein said base includes a peripheral stepped area to facilitate stacking located between the annular rim and struts.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US3745314* OWENS ILLINOIS INC Mathias et al. Jul 1973
US4024975* Owens-Illinois, Inc. Uhlig May 1977
US4108324* The Continental Group, Inc. Krishnakumar et al. Aug 1978
US4134510* Owens-Illinois, Inc. Chang Jan 1979
US4525401* The Continental Group, Inc. Pocock et al. Jun 1985
US4620639* Yoshino Kogyosho Co., Ltd. Yoshino Nov 1986
US4644151* Owens-Illinois, Inc. Juvinall Feb 1987
US6065624* Plastipak Packaging, Inc. Steinke May 2000

Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
JP6156466*Jun 1994
* cited by examiner