Japan, Sept. 16 -- SEIKO EPSON CORP has got intellectual property rights for 'PET BOTTLE AND PET BOTTLE MANUFACTURING METHOD.' Other related details are as follows:
Application Number: JP,2021-054334
Category (FI): B29C49/02,B65D1/02
Stage: PROBLEM TO BE SOLVED: To provide a PET bottle having both barrier property and heat resistance and a manufacturing method for the same.SOLUTION: A PET bottle is mainly made of PET resin, and has a glass transition temperature of 64.5degC or higher, and a water permeability coefficient of 0.75x10-6 g/(day mm) or less. A PET bottle manufacturing method includes a first molding step for obtaining a preform whose main material is PET resin, a second molding step for obtaining a bottle-shaped molding by stretch blowing the preform at a degree of stretching of 3 times or more and 10 times or less, and a heating step for obtaining a PET bottle by subjecting the molded body to heat treatment at a temperature higher than 100degC and lower than 230degC for 3 seconds or more and 10 minutes or less.SELECTED DRAWING: Figure 1 (Grant)
Filing Date: March 26, 2021
Publication Date: Oct. 7, 2022
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
