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Modular composite building panel

a technology of building panels and composite materials, applied in the direction of building components, walls, constructions, etc., can solve the problems of sandwich panels being prone to delamination, shear forces within the panels, and the core itself can split or fracture under shear forces, and achieves low manufacturing cost and low price of sale. , the effect of easy and efficient manufacturing and marketing

Inactive Publication Date: 2016-06-02
HENDERSON RODNEY NORMAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention relates to a new and improved modular composite building panel that has enhanced shear strength, meaning it can bear high levels of stress. Additionally, the invention aims to provide an economical and efficient way to manufacture and market these building panels, making them more accessible to consumers. The invention also modifies the material composition of the panels to achieve higher strength, while keeping costs low. Overall, the invention aims to provide a versatile and strong composite building panel that is easy to use and affordable.

Problems solved by technology

A problem with prior art composite building panels resides in the strength characteristics of the panel when exposed to load which introduces shear forces within the panel.
Sandwich panels are in particular prone to “de-lamination” where an external side member can become separated from the core due to a failure of an adhesive bond between the side member and the core.
Similarly, due to the relatively low strength characteristics of the core material, the core itself can split or fracture under shear forces.
This is a particular problem for some materials such as for example phenolic foam which has the desirable properties of high fire resistance and insulation properties together with a low toxicity emission in a fire but has a low tolerance to resist shear forces.
Accordingly, it is known for a prior art composite building panel of a building construction when exposed to a shear force to fail, becoming cracked and / or become de-laminated thereby compromising the structural integrity of the composite building panel resulting in the building construction becoming unsafe and costly to repair.
A further problem with prior art composite building panels resides in the lack of suitable provision for services such as power, water and gas.
Alterations after initial design and construction of the panel are thus costly and may create toxic emissions.
A further problem with prior art composite building panels resides in the fact that it is difficult to achieve the impact rating for cyclone and tornado prone regions without incurring significant weight and cost issues.
While the above-described devices fulfill their respective, particular objectives and requirements, the aforementioned patents do not describe a modular composite building panel that allows enhancing the strength of the resulting composite panel.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0055]Referring to FIG. 1, there is shown a composite building panel module 10 in accordance with an embodiment of the present invention, a composite building panel 10, two horizontal reinforcement members 12, and two vertical reinforcement members 13, an interlocking tongue 14, an interlocking groove 15 and a foam core 11. It can be appreciated that the composite building panel 10 can include additional side members producing additional geometrical configurations.

[0056]In this embodiment of the present invention the core portion 11 comprises a fire resistant material and preferably phenolic foam.

[0057]Referring to FIG. 2 there is shown an end view of the composite building panel module 10 with “t” being the thickness of the foam core and also the reinforcing members.

[0058]Referring to FIG. 3 there are shown profiles of two interlocking reinforcing members where 16 is the male part and 18 is the female part.

[0059]In this embodiment of the invention “t” is the thickness of the foam c...

example 2

[0064]FIG. 6 shows a profile of an alternate embodiment composite panel module 40 including a foam core 42, a first rigid reinforcing member 44 which is a spline channel and a second rigid reinforcing member 48 which is a hollow rectangular member or spline.

[0065]The foam core 42 which may have a rebate or recess to allow the spline channel to fit flush with the core surface.

[0066]The profile of the spline channel creates a groove 46 in the reinforcing member 44 and the size of this groove determines the dimensions of the spline 48 where the depth of the groove “d” and width of the groove “w” give rise to the spline dimensions according to the following relationship:

width of spline=w−2 mm; and

depth of spline=2d−2 mm

where the 2 mm is an allowance for adhesive. Thus when the spline 48 is fixed to the groove 46 in a module or panel the spine will protrude by half its depth creating a tongue to interlock with the adjacent groove.

[0067]FIG. 7 illustrates how three modules 40 may be joine...

example 3

[0070]Referring to FIGS. 8 and 9 there is shown views of an alternate embodiment composite building panel 60 being a mesh covered foam core. The mesh covered foam core 60 includes a fiber mesh 62, and a foam core 64. It is understood that the fiber thickness and cell size of the mesh 62 can be varied to suit the final properties required. It can be appreciated that the mesh 62 can be included with and / or in the foam core 11, 42 and / or the first and second side portions / members 21, 22, 52, 54.

[0071]Accordingly, it is to be understood that any particular features of an entire wall, roof section, floor etc. may be incorporated into a single unitary form composite building panel 20, 50 as required; such features may include for example electrical and plumbing conduits and / or window and door frames.

[0072]This is easily achieved by modifying the size and position of the composite building panel modules within the unitary building panel.

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Abstract

The present invention generally relates to a composite building panel having at least a core portion, and at least four reinforcement members each fixed to an edge of the core. A first reinforcement member features a first reinforcement element at a first side portion thereof. A second reinforcement member features a second reinforcement element at a second side portion thereof. The first and second reinforcement elements each have a configuration to provide a rigid and load bearing relationship between first and second reinforcement elements of an adjacently connected second composite building panel, respectively. A channel is defined in the reinforcement members to allow services to be run therethrough. Multiple composite building panels can be interconnected and sandwiched between exterior side panels. The reinforcement elements can be a tongue and groove or a spline and groove configuration.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims priority under 35 U.S.C. 119(a) to Australia (AU) patent application number 2014904851 filed Dec. 1, 2014, which AU patent application 2014904851 is incorporated herein by reference in its entiretyBACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to a modular composite building panel and in particular a high shear stress load bearing composite panel constructed from one or more smaller modules each having horizontal and vertical members that when fixed together create “I” beam or box sections that greatly enhance the strength of the resulting composite panel.[0004]2. Description of the Prior Art[0005]It is known to use composite building panels for the construction of walls, floors, ceilings etc. in a building. Prior art composite building panels are arranged in various configurations including a laminate or sandwich panel which comprise opposed external side member...

Claims

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Application Information

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IPC IPC(8): E04B2/00E04C2/52
CPCE04C2/46E04C2002/001E04C2/521E04F13/074E04F13/076E04F13/0894E04C2/296E04C2/388E04C2002/004
Inventor HENDERSON, RODNEY NORMAN
Owner HENDERSON RODNEY NORMAN