Title:
METHOD AND APPARATUS FOR CONTROLLING TEMPERATURE OF PREFORM
Document Type and Number:
Japanese Patent JPH0699482
Kind Code:
A
Abstract:
PURPOSE: To control the temp. of a preform so as to be capable of adjusting an obtained container to a desired wall thickness.
CONSTITUTION: The respective parts of a plastic preform having a bottomed cylindrical shape can be controlled to desired temp. by locally spraying air controlled in temp. to the preform 1 after or during the passage of the preform 1 through a heating region 2. A temp. control device for the preform 1 is equipped with a means moving the preform while rotating the same around its axis, a means 2 heating the preform 1 on the way of movement and a temp. control member 3 locally spraying air controlled in temp. to the preform 1 in order to control the respective parts of the preform to desired temp.
Inventors:
SHIBUYA TAKEYOSHI
Application Number:
JP27534592A
Publication Date:
April 12, 1994
Filing Date:
September 18, 1992
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
B29B13/02; B29C49/64; B29C49/78; B29C49/06; B29L22/00; (IPC1-7): B29C49/64; B29B13/02; B29C49/78
Attorney, Agent or Firm:
Takaishi Tachibana