3-dimensional printing apparatus and dispensing device
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United States of America Patent
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Apr 9, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 15, 2016
filing date -
Jul 15, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a dispensing device and a 3-D printing apparatus including the same. The dispensing device comprises a main body with a main body heater, a head portion and a heating device. The main body includes a passage with a longitudinal axis and the main body heater is used for heating the material in at least a section of the passage to a flowable condition. The head portion is connected to an end of the passage and communicates with the passage and further includes an outlet for discharging the heated material. The heating device includes a peripheral path surrounding the head portion and heats a region surrounded by the peripheral path.
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