Heating cylinder heater, injection apparatus, and injection molding machine
AssigneeThe Japan Steel Works, Ltd.
InventorsTakuya YUFU, Akihiro NAITO, Yasutaka OTSUJI
Life of this patent
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Abstract
A heating cylinder heater includes a plurality of infrared heaters disposed around a heating cylinder in a non-contact manner with respect to the heating cylinder, a heat insulating material provided outside the infrared heaters, and a cover configured to cover the heat insulating material. The cover has two or more opening portions, and a part or all of the two or more opening portions are each provided with an opening-closing device that is configured to open and close the corresponding opening portion.
Claims17
A heating cylinder heater comprising:
- a plurality of infrared heaters disposed around a heating cylinder in a non-contact manner with respect to the heating cylinder;
- a heat insulating material provided outside the infrared heaters;
- and
- a cover configured to cover the heat insulating material,
- wherein the cover has two or more opening portions, and a part or all of the two or more opening portions are each provided with an opening-closing device that is configured to open and close the corresponding opening portion.
An injection apparatus comprising:
- a heating cylinder;
- a screw provided in the heating cylinder;
- and
- a heating cylinder heater provided on the heating cylinder, the heating cylinder heater comprising:
- a plurality of infrared heaters disposed around the heating cylinder in a non-contact manner with respect to the heating cylinder;
- a heat insulating material provided outside the infrared heaters;
- and
- a cover configured to cover the heat insulating material, and
- wherein the cover has two or more opening portions, and a part or all of the two or more opening portions are each provided with an opening-closing device that is configured to open and close the opening portion.
An injection molding machine comprising:
- an injection apparatus;
- and
- a mold clamping device;
- and
- an injection apparatus comprising:
- a heating cylinder;
- a screw provided in the heating cylinder;
- and
- a heating cylinder heater provided on the heating cylinder, the heating cylinder heater comprising:
- a plurality of infrared heaters disposed around the heating cylinder in a non-contact manner with respect to the heating cylinder;
- a heat insulating material provided outside the infrared heaters;
- and
- a cover configured to cover the heat insulating material, and
- wherein the cover has two or more opening portions, and a part or all of the two or more opening portions are each provided with an opening-closing device that is configured to open and close the opening portion.
Dependencies are inferred from the claim text.