Title:
パリソン肉厚調整装置、パリソン肉厚調整方法及びブロー成形装置
Document Type and Number:
Japanese Patent JP6920634
Kind Code:
B2
Abstract:
To enable a strict thickness control and an accurate change of a thickness even at, for example, a place where a thickness changes rapidly.SOLUTION: In a die head for supplying a cylindrical parison from an annular slit between a die and a core and controlling a thickness of the parison by controlling a position of the core, when moving the core to a target position, a travel speed is changed according to a distance to the target position. When a position of the core is far from the target position, the travel speed is increased, and when a position is closer to the target position, the travel speed is decreased.SELECTED DRAWING: Figure 6
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Inventors:
Hirose Shinya
Yu Igarashi
Yu Igarashi
Application Number:
JP2017167708A
Publication Date:
August 18, 2021
Filing Date:
August 31, 2017
Export Citation:
Assignee:
Kyoraku Co., Ltd.
International Classes:
B29C49/78
Domestic Patent References:
| JP201735806A | ||||
| JP671737A | ||||
| JP6293062A | ||||
| JP2008238727A |
Foreign References:
| DE102014103104A1 |
Attorney, Agent or Firm:
Noriko Asano