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Prefabricated building panel having an insect and fungicide deterrent therein
| Details |
Inventors: Winter, IV, Amos G.;
Assignee:
Primary Examiner: Raduazo; Henry E.
Assistant Examiner:
Attorney, Agent or Firm:
A prefabricated building panel, sometimes referred to as a stress skin panel, having a core which may be comprised of a single layer or may have multiple layers of material and into which core is incorporated, or encapsulated, borates in the form of borate compounds similar to TIM-BOR.RTM. in an amount (typically between about 2 weight percent and about 10 weight percent) which results in a core material which deters the entry of and the infestation of ants and other insects thereby enhancing and improving the usefulness of such prefabricated building panels. The addition of the borate compound has also been found to act as a fungicide and further flame retardant properties of the building panel are improved. Borate may be added, if possible, into the core material of any known prefabricated construction/building panel. However, it is most advantageous and effective if the borate is added during the fabrication of the core of the panel. |
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DETAILED DESCRIPTION The present invention, in its most simple embodiment, is directed to a prefabricated building panel, sometimes referred to as a stress skin panel, having a core which may be comprised of a single layer or may have multiple layers of material and into which core is incorporated, or encapsulated, borates in the form of borate compounds in an amount (typically between about 2 weight percent and about 10 weight percent) which results in a material which deters the entry of and the infestation of ants and other insects thereby enhancing and improving the usefulness of such prefabricated building panels.
The addition of the borate compound has also been found to act as a fungicide and is also flame retardant.
Borate may be added, if possible, into the core material of any known prefabricated construction/building panel.
However, it is most advantageous and effective if the borate is added during the fabrication of the core of the panel especially the panels defined by Applicant's U.
S.
Pat.
Nos.
4,833,855 and 4,907,383 and the multi-layered panels defined in Applicant's copending application Ser.
No.
384,150 wherein the layer or layers are typically of uniform thickness which may vary or taper over the length and/or the width of the panel and which material is bonded to at least one adjacent skin.
The combination of the core and skin is preferably but not necessarily basically rectangular in shape and it may be bowed from one shorter edge to the other shorter edge or from one longer edge to the other longer edge.
The edges of the panels are configured to abuttingly match corresponding edges of similarly configured panels.
The first layer of the multi-layered core is a thermosetting foam plastic such as urethane, phenolics, isocyanurate or other cross-linked or thermoset type of foam.
The second layer may be of the same material as layer one in which case layer two may be pre-made into typically a rectangular sheet form and placed into position so that when the first layer is foamed the second layer becomes securely affixed to one surface of the first layer and the other surface of the first layer securely attaches to the surface of the skin
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