Building element having spaced longitudinal members with each member having a different moisture content
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United States of America Patent
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Oct 21, 1986
Grant Date -
N/A
app pub date -
Dec 17, 1982
filing date -
Apr 23, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention concerns a prefabricated composite and relatively strong, but light-weight building element which in a simple embodiment consists of two substantially parallel elements (1, 2) spaced apart a given distance and interconnected by intermediate spacer and interconnecting means (3). The invention is characterized in that said prefabricated building element, in order to compensate for expected climatic differences at opposite sides of a building structure, or to compensate for expected loads in the position of use of said prefabricated building element, during or immediately after assembly and interconnection of the parts of said building element has at one of the long sides of said building element a camber (curvature) produced by the different moisture ratios of the two longitudinal elements. The invention also comprises a method of manufacturing said prefabricated building element, and this method is characterized in that the longitudinal elements are preconditioned to the moisture ratio state which they are expected to assume in their position of use, and in this state are connected with said interconnecting and spacer means.
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