Method of producing wet frictional material
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
Jun 7, 1996
filing date -
Jun 9, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a method of producing a wet frictional material according to the present invention, paper-making stock solution is circulated and stirred between a paper-making tank and a raw-material tank so that the concentration of the paper-making stock solution is kept constant. A paper-making jig and an up/down suction portion are connected to each other and elevated up and lowered down in the paper-making tank so that water is sucked from the stock solution by a suction apparatus in the period of elevating-up and lowering-down to perform paper-making. The paper-making jig and the up/down suction portion may be formed separately so as to be connected to each other. In this case, the method can cope with requirements of products of various sizes.
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