Patent · US Active

Method and apparatus for heating plastic preforms

US11648725B2 · kind B2 · utility

1Cited by
0References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2018
Grant dateMay 16, 2023
Priority date
Expiry dateOct 26, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C2949/0715
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Provided is a method for heating plastic preforms, wherein the plastic parison are transported along a predetermined transport path and are heated during this transport, wherein at least one first heating section with at least one first heating element as well as at least one second heating section with at least one second heating element is arranged along the transport path, by a first temperature measuring device an actual temperature of the plastic preforms is measured in or before a start region of the transport path, and as a function of this actual temperature of the plastic preforms the at least one first heating element is controlled in such a way that the plastic preforms reach a predetermined target temperature after heating by this at least one first heating element.

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