Method of producing integral articles
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United States of America Patent
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-
Mar 17, 1992
Grant Date -
N/A
app pub date -
Dec 17, 1990
filing date -
Jul 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing integral articles such as rudder parts etc. of plastics, reinforced with relatively long, continuous fibres is described. During the hot-setting or thermoforming process pressure is applied along at least two co-ordinate axes, with an angle between them of 30.degree. to 90.degree.. The method is characterized particularly in that to achieve the required pressures for each co-ordinate axis, from one of its co-ordinate directions a pressure element movable relative to the article is pressed against the article, while from the opposite co-ordinate axis at least one principally form stable reaction block or element in conjunction with said pressure element is caused to provide a pressure that acts on the article and against the direction of the force of the pressure element.
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