Device and method for manufacturing a hollow glass article by controlled blowing
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United States of America Patent
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Jul 5, 2022
Grant Date -
Oct 31, 2019
app pub date -
Apr 26, 2019
filing date -
Apr 27, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
Device for forming a glass article, including a forming mold for receiving a glass blank, and a gas injection device with a blowing head intended to be received in the mouth of the blank, the gas injection device including a pressurized gas inlet, a first injection channel connecting the pressurized gas inlet to at least one outlet port opening into the inside cavity, through a first control solenoid valve, with a first pressure sensor and a first temperature sensor, a vent channel connecting the inside cavity to the outside air, the vent channel being equipped with a second pressure sensor and a second temperature sensor, an electro-pneumatic control unit being configured to control the first control solenoid valve according to the pressure measurements and temperature measurements.
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