Petal-rod - A Novel Method of Lightweighting

Research output: Contribution to conferenceAbstract

Abstract

Lightweighting the preform to reduce material cost is possibly reaching its limit; key areas of the bottle however may deserve closer attention. The lack of material stretching at the bottle base insists on increased thickness to compensate for the impaired strength in this area. To improve this phenomenon, design of a novel stretch-rod that can mechanically stretch the preform tip during the ISBM process has been developed.

PETAL-ROD is a device that can be retrofitted to existing ISBM machines with minimum interruption to production rate, with the added benefit that material characteristics similar to the sidewall of the bottle can be achieved in the area of the base. Coupled with an optimized preform design, material weight saving can be improved.
Original languageEnglish
Publication statusPublished - Nov 2015

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