LIQUID MATERIAL DISCHARGE DEVICE
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United States of America Patent
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Issued Date -
Aug 3, 2023
app pub date -
Jun 16, 2021
filing date -
Jun 25, 2020
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A liquid material discharge device includes: a valve stem having a valve element provided at a tip portion, and a contact portion; a liquid chamber in which the valve element moves forward and backward; a nozzle communicating with the liquid chamber; a valve seat having a hole via which the liquid chamber and the nozzle communicate with each other; an arm that is in separable contact with the valve stem; and a valve driving device configured to move the valve element forward to and backward from the valve seat by causing the arm to pivot. The liquid material discharge device further includes a coupling device that couples the valve stem with the arm, wherein the coupling device includes a pressing portion that presses the contact portion against the arm.
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