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Title:
METHOD OF CHANGING RESIN AND COLOR FOR INJECTION MOLDING MACHINE
Document Type and Number:
Japanese Patent JP2012143960
Kind Code:
A
Abstract:

To provide a method of changing a resin and changing a color without interrupting a continuous production operation of an injection molding machine.

After the resin or the color is changed and a prescribed quantity of the resin is molded in the continuous production operation, a screw is continuously rotated in a state where the screw forward movement and the screw backward movement of a molten resin in a screw advanced position are obstructed. Next, the obstruction of the screw backward movement is canceled and the prescribed quantity of the molten resin is measured and filled in a mold cavity under the same injection condition as that in the continuous production operation and after a resin change and a color change operation mode of taking out the molded article from the mold are repeated prescribed preset times, the injection molding is switched to the continuous production operation.


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JP6853278Method for determining the thickness of the resin layer of the insert film, and method for manufacturing the resin molded product with the insert film
Inventors:
OKAMOTO AKIO
MIYAMOTO KAZUAKI
FUKANO KATSUTOSHI
IWAMOTO TOSHIKAZU
Application Number:
JP2011003770A
Publication Date:
August 02, 2012
Filing Date:
January 12, 2011
Export Citation:
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Assignee:
UBE MACHINERY CORP LTD
International Classes:
B29C45/17; B29C45/24
Domestic Patent References:
JPS53101058A1978-09-04
JPH1128753A1999-02-02
JPH05337946A1993-12-21
JPH0345114U1991-04-25
JP2003300224A2003-10-21
JPH07125003A1995-05-16
JP2008195023A2008-08-28



 
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