System for controlling the closing speed of valve gated nozzles

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United States of America Patent

PATENT NO 9776349
SERIAL NO

14762515

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Abstract

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Systems and methods for controlling the closing speed of valve gated nozzles are disclosed. In one embodiment, a hot runner have a valve gated nozzle including a valve stem movable between an open position and a closed position is provided. The valve stem is moved at a first speed for a first portion of valve stem closure and a second speed for a second end portion of the valve stem closure.

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Patent Owner(s)

Patent OwnerAddress
OREGON HEALTH & SCIENCE UNIVERSITY690 S BANCROFT STREET L106TT PORTLAND OR 97239

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bouti, Abdeslam St. Albans, US 38 318
Overfield, Sarah Kathleen Colchester, US 16 31
Plumpton, James Osborne Enosburg Falls, US 18 34

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