Resin-film manufacturing apparatus and its control method

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United States of America

PATENT NO 12023842
SERIAL NO

17407148

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Abstract

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In a resin-film manufacturing apparatus of an embodiment, when a lip gap control is started, a difference between a state of a target heat bolt (THB) at a start of current control and a state of each of all the heat bolts at a start of last control is obtained, when the difference between the states of THB at the starts of the current and last control is a smallest one, a learning result of THB is set as an initial value of a control condition for THB, and when the difference between the states of THB is not the smallest one, either one of a learning result of the heat bolt of which the difference between the states is smaller than the difference between the states of THB and the learning result of THB is set as the initial value of the control condition for THB.

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Patent Owner(s)

Patent OwnerAddress
THE JAPAN STEEL WORKS LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maenishi, Ryuichiro Tokyo, JP 6 0
Tanaka, Soma Tokyo, JP 3 0

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