Patent · US Expired

Process for production of a plastic bottle

US4550007A · kind A · utility

26Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 1984
Grant dateOct 29, 1985
Priority date
Expiry dateMar 22, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/906
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A plastic bottle made of biaxially oriented polyethylene terephthalate comprises a narrow neck portion, a downwardly and outwardly flared shoulder portion continuous from the neck portion, a generally cylindrical body portion and a bottom portion, wherein said portions except for the neck portion have a density of at least 1.375, and the internal volume increase rate is less than 5% when the bottle filled with a liquid at 20.degree. C. containing a 2 gas volume of carbon dioxide gas is immersed in warm water at 75.degree. C. for 30 minutes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.