Construction board and its manufacturing method
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United States of America Patent
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May 24, 1994
Grant Date -
N/A
app pub date -
Aug 16, 1991
filing date -
Dec 16, 1988
priority date (Note) -
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Abstract
A longitudinal laminate board of mineral wool and method of making the board are disclosed. The laminate board consists of adjacently disposed pieces at least some of which are shorter than the length of the board and whose fibre plane form an essentially right angle to the plane of the laminate board. The pieces are jointed within the laminate board.
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