Method and system of delivering additives for molding
Assignee3M Innovative Properties Company
InventorsRamnath Subramaniam, Jason D. McNulty
Life of this patent
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Abstract
Methods and systems of delivering liquid additives in a molding system are provided. A charging sensor is provided to monitor the status of the injection charging mechanism of the molding system which charges, meters or doses an injection volume of molding material. A dosing instruction is generated based on the charging status signal. The additive pump controls the delivering of the liquid additives into the injection unit based on the dosing instruction, while the injection charging mechanism is charging the injection volume of molding material.
Claims20
A method of delivering one or more liquid additives to a molding system, comprising:
- delivering, via an additive pump, the liquid additives into an injection unit of the molding system, wherein the injection unit includes an injection charging mechanism to charge an injection volume of molding material;
- monitoring, via a charging sensor, a status of the injection charging mechanism, to generate a charging status signal representing a charging state of the injection volume of molding material;
- processing, via a microcontroller, the charging status signal to generate a dosing instruction to the additive pump;
- and
- controlling, via the additive pump, the delivering of the liquid additives into the injection unit based on the dosing instruction while the injection charging mechanism is charging the injection volume of molding material.
A system of delivering one or more liquid additives to a molding system, comprising:
- an additive pump configured to deliver the liquid additives into an injection unit of the molding system, wherein the injection unit includes an injection charging mechanism to charge an injection volume of molding material;
- a charging sensor configured to monitor a status of the injection charging mechanism and generate a charging status signal;
- and
- a microcontroller to process the charging status signal and generate a dosing instruction to control, via the additive pump, the delivering of the liquid additives into the injection unit based on the dosing instruction.
Dependencies are inferred from the claim text.