The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 1999
Filed:
Jul. 23, 1996
Gary Brewster, Marietta, GA (US);
Scott W Steele, Perrysburg, OH (US);
Sumit Mukherjee, Waterville, OH (US);
The Coca-Cola Company, Atlanta, GA (US);
Abstract
The present invention relates to an injection molded preform comprising an open ended mouth forming portion, an intermediate body forming portion, and a closed base forming portion, wherein said preform comprises (1) a blend of (i) PEN copolymer and (ii) PET homopolymer or PET copolymer, such that when said PET and PEN components are physically mixed into a blend, said blend has about 5-70 wt %. PEN copolymer and 30 to 95 wt % PET homopolymer of copolymer therein, (2) a PEN copolymer, or (3) PEN homopolymer, and said preform having a stretch ratio in the range of 18:1 to 25:1 in order form a bottle having a volume in the range of 250 ml to 850 ml, wherein the stretch index is below 130 cm. Alternatively, said preform has a stretch ratio in the range of 18:1 to 20:1 in order to form a bottle having a volume in the range of 250 ml to 1000 ml. The invention further relates to an injection mold defining a cavity corresponding to an injection molded preform of the invention. In addition, the invention relates to a blow-molded container produced from the injection molded plastic preform described above.