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US 7,744,363 B2Granted
Valve device of injection molding device
AssigneeHon Hai Precision Industry Co., Ltd.
InventorChun-Yuan Chang
Life of this patent
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Abstract
A valve device is configured for obturating an opening of a channel defined in an injection molding device. The valve device includes a plug movably received in the channel, and a resilient member connected with the plug. The plug includes an obturating portion for obturating the opening of the channel. The resilient member is configured for driving the plug to its original position where the obturating portion obturates the opening, after the opening of the channel is opened.
Claims7
A valve device configured for obturating an opening of a channel defined in an injection molding device, comprising:
- a plug movably received in the channel, the plug comprising an obturating portion for obturating the opening of the channel;
- and
- a resilient member connected with the plug to drive the plug to its original position where the obturating portion obturates the opening, after the opening of the channel is opened;
- wherein the channel is connected to a thermal medium source, thermal medium from the thermal medium source is capable of driving the plug to open the channel;
- wherein the thermal medium is gas, an air discharging hole is defined in the mold for releasing the gas from the mold;
- and
- wherein the gas is heated by an electric heater or an infrared ray heater.
4 more elements
Dependencies are inferred from the claim text.