US20090178354A1 - Method of manufacturing poly-bonded framed panels - Google Patents
Method of manufacturing poly-bonded framed panels Download PDFInfo
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- US20090178354A1 US20090178354A1 US12/285,442 US28544208A US2009178354A1 US 20090178354 A1 US20090178354 A1 US 20090178354A1 US 28544208 A US28544208 A US 28544208A US 2009178354 A1 US2009178354 A1 US 2009178354A1
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- Prior art keywords
- stud member
- foam
- building panel
- present
- peripheral frame
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/38—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels
- E04C2/384—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure with attached ribs, flanges, or the like, e.g. framed panels with a metal frame
Definitions
- the present invention relates to a building panel, method of fabricating the building panel. More particularly, the present invention relates to the manufacture of a framed building panel, wherein the framed building panel has increased structural integrity and is operable to construct a wall, roof, floor, ceiling, room, and building.
- the construction industry is continuously attempting to find ways to reduce the time, cost, skill level, and labor associated with the construction of a structure, such as a building, wall, room, floor, ceiling and roof.
- Techniques used to reduce the time, cost, skill level and labor associated with the construction of a structure includes prefabrication of various portions of a structure. Once the portion of the structure is fabricated, it is then transported to the construction site for placement in its intended location.
- One problem with such techniques is that the prefabricated portion of the structure is constructed with conventional materials using the techniques that would be used on the construction site.
- Another problem with these techniques is that the prefabricated portion is subject to damage during its transportation to the construction site.
- a building panel having structural integrity there is a need for a building panel having structural integrity, a method of fabricating the building panel having structural integrity, and method to more quickly and simply construct a building employing the building panel.
- the building panel having structural integrity and the method of fabricating the building panel having structural integrity where the structural integrity is greater than derived just from the frame and is derived from the bonding of the foam to vertically and horizontally aligned stud members, and further enhanced by the structural fabric's impregnation with the foam on a surface of the building panel.
- the vertically and horizontally aligned studs to form a frame.
- the foam there is a need for the foam to define an interior side of the building panel and an exterior side of the building panel.
- the building panel having structural integrity to couple to another building panel having structural integrity.
- the building panel to couple with an adjacent building panel.
- the building panel to be held in an upright position employing a track secured to a floor, such as with an anchor.
- the building panel to be held in an upright position employing a track secured to a floor, such as with an anchor.
- a building panel having structural integrity a method of fabricating the building panel having structural integrity.
- the building panel is a one layer building panel that derives its structural integrity from foam forming the layer that bonds to horizontal and vertical stud members and a surface of the foam having fiber that reinforces an exterior surface of the panel.
- the building panel is manufactured using a foaming fixture, or mold press.
- Building panels can be coupled to one another to construct a structure, such as a room, floor, and roof, using vertical members at the edges.
- One or more building panels can be inserted into one or more tracks secured to a floor to hold the one or more building panels in a plumb and upright position.
- a method of fabricating a building panel having structural integrity includes placing a peripheral frame in a foaming fixture, or mold press having sidewalls, a top platen and a bottom platen, placing dry fiber on one of the top platen or bottom platen, closing the top platen, injecting foam into the mold press and within the peripheral frame and allowing the foam to cure.
- the structural integrity of the building panel is derived from the bonding of the foam to the peripheral frame.
- the foam comprises a thermoplastic material or a thermoset material.
- the peripheral frame can be automatically fabricated based on input received from a file having the structural design of structure using building panels.
- the peripheral frame includes a top horizontal stud member, a bottom horizontal stud member, a left vertical stud member, and a right vertical stud member.
- a first end portion of the top horizontal stud member joins to a first end portion of left vertical stud member
- a second end of the top horizontal stud member joins to a first end portion of right vertical stud member
- a first end portion of the bottom horizontal stud member joins to a second end portion of left vertical stud member
- a second end portion of the bottom horizontal stud member joins to a second end of the right vertical stud member.
- the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member are configured as one of: a conventional stud, and a c-shaped stud.
- a first side of the foam defines an exterior surface of the building panel and a second side of the foam defines an interior surface of the building panel.
- the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member is constructed from one of: metal, aluminum, wood, and plastic.
- the peripheral frame is configured with an opening for any one of: a window and a door.
- the peripheral frame is configured with an electrical component including any one of: a switch, a conduit for wiring, and an outlet.
- the top platen is opened.
- the building panel is removed from the foaming fixture, or mold press.
- a release agent is provided on the surface of the top platen and bottom platen that engages with the foam.
- dry fiber is placed on both the top platen and bottom platen
- FIGS. 1A-1B depict exemplary diagrams of a building panel having structural integrity according to an embodiment of the present invention
- FIG. 1 C depicts an exemplary top view of a c-shaped stud with foam and mesh according to an embodiment of the present invention
- FIG. 2 depicts an exemplary diagram of a building panel with a diagonal stud member having structural integrity according to an embodiment of the present invention
- FIG. 3 depicts an exemplary diagram of a building panel with an inner vertical stud member having structural integrity according to an embodiment of the present invention
- FIG. 4 depicts an exemplary diagram of an anchor and track according to an embodiment of the present invention
- FIG. 5 depicts an exemplary flow chart of a method for constructing a structure using a set of building panels according to an embodiment of the present invention.
- FIG. 6 depicts an exemplary flow chart of a method of fabricating the building panel shown in FIG. 1 .
- a building panel having structural integrity a method of fabricating the building panel having structural integrity and method of constructing a building employing the building panel are provided.
- the building panel is a one layer building panel that derives its structural integrity from a foam forming the layer that bonds to horizontal and vertical stud members.
- the vertical stud members can be provided at the edges of the building panel.
- the horizontal stud members can be provided at the edges of the building panel and together with the vertical stud member form a peripheral frame for the building panel.
- the foam is bonded to the horizontal and vertical stud members using temperatures and pressures above ambient.
- Building panels can be coupled to one another to construct a structure, such as a room, floor, and roof, using vertical and horizontal stud members at the edges.
- One or more building panels can be inserted into one or more tracks secured to a floor to hold the one or more building panels in an upright position.
- FIGS. 1A-1B Exemplary diagrams of a building panel having structural integrity according to an embodiment of the present invention are shown in FIGS. 1A-1B .
- building panel 100 includes a top horizontal stud member 102 , a bottom horizontal stud member 104 , a right vertical stud member 106 , a left vertical stud member 108 , and a foam member 110 .
- the building panel of FIG. 1A includes an exterior panel side 112 , an interior panel side 114 , and a mesh member 116 positioned within foam member 110 as shown in FIG. 1B .
- FIG. 1A Exemplary diagrams of a building panel having structural integrity according to an embodiment of the present invention are shown in FIGS. 1A-1B .
- building panel 100 includes a top horizontal stud member 102 , a bottom horizontal stud member 104 , a right vertical stud member 106 , a left vertical stud member 108 , and a foam member 110 .
- the building panel of FIG. 1A includes an
- the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 can be constructed from one of metal, aluminum, wood and plastic.
- a stud member such as top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and/or left vertical stud member 108 , can be configured as a conventional stud, a c-shaped stud, or the like.
- the foam member 110 forms around the c-shaped stud members to provide increase structural integrity and mesh member 116 couples to c-shaped stud member as shown in FIG. 1C .
- the mesh member 116 is provided within the foam member 110 .
- the mesh can span the extent of the foam member 110 and couple to each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 .
- a set of mesh members can be provided within the foam member 110 and extend from the top horizontal stud member 102 to the bottom horizontal stud member 104 .
- a set of mesh members can be provided within the foam member 110 and extend from the left vertical stud member 108 to the right vertical stud member 106 .
- the mesh member 116 can be configured from materials including, but not limited to, aluminum, steal, copper, and plastic.
- the mesh size can be from 2 Mesh to 325 Mesh which means the number of meshes per lineal inch of material.
- the mesh size can be 5 Mesh to 300 Mesh.
- gauge of the mesh can be from 50 gauge to 10 gauge.
- the mesh has a gauge ranging from 40 to 10.
- the mesh has a gauge ranging from 30 to 15.
- a surface of foam member 110 can be provided with a fiber reinforced surface layer 118 as shown in FIG. 1C .
- the fiber can be made from any material that strengthens the impact level of the panel member 100 .
- the material can be, but is not limited to, Fiberglass, Aramid, Carbon and Natural fibers.
- the weight per square yard of the fiber can range from 12 oz. to 300 oz.
- the weight per square yard of the fibber can range from 12 oz. to 100 oz.
- the weight per square yard of the fiber can range from 75 oz. to 200 oz.
- the weight per square yard of the fibber can range from 125 oz. to 300 oz.
- the orientation of the fibers with respect to the longitudinal axis of the panel surface can be 0, +/ ⁇ 5, +/ ⁇ 10, +/ ⁇ 15, +/ ⁇ 30, +/ ⁇ 45, +/ ⁇ 60 and +/ ⁇ 90 degrees or any angle in between.
- the fiber layers can be either stitch bonded or woven together to form multiple ply cloths 120 , as shown in FIG. 1C , which are utilized in the production of the panels.
- top horizontal stud member 102 and bottom horizontal stud member 104 are axially aligned and positioned at the upper and lower periphery of building panel 100 to form the top and bottom of building panel 100 .
- top horizontal stud member 102 and bottom horizontal stud member 104 are axially aligned and positioned at a predetermined distance from one another.
- right vertical stud member 106 and left vertical stud member 108 are axially aligned and positioned at the left and right periphery of building panel 100 to form the left side and right side of building panel 100 .
- left vertical stud member 108 and right vertical stud member 106 are axially aligned and positioned at a predetermined distance from one another.
- the vertical stud members 106 and 108 extend the height of the building panel 100 and the horizontal stud members 102 and 104 extend the length of the building panel 100 .
- the building panel can be secured to a floor member to hold the building panel in an upright position by methods including, but not limited to, slots in the foundation or direct fixation with screws, welds or adhesives.
- the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 form a frame around panel member 110 .
- a first end portion of the top horizontal stud member 102 squarely abuts a first end portion of left vertical stud member 108 .
- a second end of the top horizontal stud member 102 squarely abuts a first end portion of right vertical stud member 106 .
- FIG. 1A embodiment of the present invention a first end portion of right vertical stud member 106 .
- a first end portion of the bottom horizontal stud member 104 squarely abuts a second end portion of left vertical stud member 108 .
- a second end portion of the bottom horizontal stud member 104 squarely abuts a second end of right vertical stud member 106 .
- the members can be coupled, such as by screws, welding, adhesive and bolts, at the points of abutment to further provide structural integrity.
- panel member 110 extends and bonds to the inner side of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 .
- the thickness of the panel member 110 is substantially the same as the width of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 .
- the front side and back side of the foam member 110 define the exterior and interior of building panel 100 .
- building panel 100 conforms to chapter 26 of the International building code for requirements including, but not limited to, flame spread and smoke spread.
- panel member 110 extends to the outer side of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 and bonds to the back, front, and inner sides of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 .
- the panel member 110 thickness extends beyond the width of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 .
- the front side and back side of the foam member 110 defines the exterior and interior of building panel 1100 as well as the exterior and interior of a wall, roof, or ceiling for a structure constructed with building panel 100 .
- FIG. 2 An exemplary embodiment of the building panel 100 of FIGS. 1A-1B is shown in FIG. 2 with a diagonal stud member.
- diagonal stud member 202 can be constructed from one of metal, aluminum, wood and plastic.
- a first end portion of the diagonal stud member 202 abuts to a second end portion of the top horizontal stud member 102 and a first end portion of right vertical stud member 106 .
- a second end portion of the diagonal stud member 202 abuts a first end portion of the bottom horizontal stud member 104 squarely and second end portion of left vertical stud member 108 .
- FIG. 2 In the FIG. 2 embodiment of the present invention, a first end portion of the diagonal stud member 202 abuts a first end portion of the bottom horizontal stud member 104 squarely and second end portion of left vertical stud member 108 .
- panel member 110 extends and bonds to the inner side of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 as well as the right and left side of diagonal stud member 202 .
- the members can be coupled at the points of abutment to further provide structural integrity.
- FIG. 3 An exemplary embodiment of the building panel 100 of FIGS. 1A-1B is shown in FIG. 3 with an inner vertical stud member.
- an inner vertical stud member 302 can be constructed from one of metal, aluminum, wood and plastic.
- a fist end portion of an inner vertical stud member 302 squarely abuts the top horizontal stud member 102 and a second end of the inner vertical stud member 302 squarely abut the bottom horizontal stud member 104 .
- panel member 110 extends and bonds to the inner side of each of the top horizontal stud member 102 , bottom horizontal stud member 104 , right vertical stud member 106 , and left vertical stud member 108 as well as the right and left side of inner vertical stud member 106 .
- the members can be coupled at the points of abutment to further provide structural integrity.
- inner stud members can be configured to define openings for doors, windows, and the like.
- FIG. 4 An exemplary side view of an anchor and track is shown in FIG. 4 .
- the track 400 has a C-shaped configuration having a base and two sidewalls projecting upward from the base, which can be secured to a floor at the side of base opposite the sidewalls using one or more anchors.
- the track 400 can be used to hold one or more wall structures, such as a building panel 100 , in an upright position between the sidewalls.
- the track 400 can be constructed from one of metal, aluminum, and the like.
- the track can be secured to a floor using an anchor 402 including, but not limited to, one or a combination of screws, bolts, welds, anchors, adhesive, and the like.
- the anchor 402 can be constructed from one of metal, steel, and the like.
- the floor is pre-dried concrete and the base of the track 400 meets with a pre-dried concrete floor. Once the concrete dries, the track 400 and anchor are securely fastened to the concrete floor.
- FIG. 5 An exemplary flow chart of a method of constructing a structure using the building panels, anchor and track, and stud member is shown in FIG. 5 .
- the type of structure includes, but are not limited to, a wall, roof, room, home, commercial building, strip mall, cold storage facility, and apartment building.
- the method begins with step 500 .
- a set of tracks is positioned in a configuration to define the outer boundaries of a building.
- anchors are inserted through holes in the tracks and into the floor that the tracks sit on.
- the floor is made from material including, but not limited to, concrete, wood, and metal.
- the walls of the structure are constructed. In the FIG.
- construction of a wall includes, inserting a set of building panels within the sidewalls of the track and coupling together the stud members of adjacent building panels. To inserting a building panel within the sidewalls of the track, the building panel can be lifted over the sidewalls of the track.
- the structure is provided with a ceiling made using conventional construction techniques. In an embodiment of the present invention, the structure is provided with a ceiling made from building panels.
- FIG. 6 An exemplary flow chart of a method of fabricating the building panel of FIG. 1 is shown in FIG. 6 .
- the method begins in step 600 .
- a peripheral frame of stud members is placed in a mold press.
- the peripheral frame is fabricated with electrical components including, but not limited to conduits for wiring, outlets and switch boxes.
- the peripheral frame is configured with an opening for a window or door.
- the mold press includes an enclosure having a top platen that can be opened and closed, sidewalls and a bottom platen.
- a mesh is coupled to the peripheral frame.
- a mesh is suspended within the peripheral frame.
- dry fiber 120 as shown in FIG. 1C is laid on the bottom panel and/or provided on the top panel of the mold press and expanded to make the fiber taut. Once the foam is injected into the mold press the fiber is impregnated with the foam.
- the top platen of the mold press is closed and secured to the sidewalls.
- the top platen is secured to the sidewalls with sufficient strength to sustain pressures achieved by the mold press.
- a release agent is applied to the top platen and/or the bottom platen to facilitate the removal of the building panel from the mold press.
- the studs and/or mesh can be surface treated for improved bonding. Surface treatment can be effected by any of the several techniques known in the art, such as corona discharge, plasma treatment, ozone treatment, sand blasting, brush tumbling, and the like. Preferably, surface treatment is effected by grinding with an abrasive wheel.
- the effect of the surface treatment can vary based on the type of material used to fabricate the stud and/or mesh.
- a metal stud can be subjected to sand blasting in order to increase the adhesion between the metal stud and the foam material.
- a metal stud can be pretreated with a plasma thermal spray coating thus taking advantage of the ability of plasma technology to excite gas atoms and molecules into transient and nonequilibrium conditions.
- An enclosed vacuum chamber can be used to excite the gas molecules by subjecting the gas mixture to an electrified field of radio frequency (rf) energy.
- rf radio frequency
- the plasma technology can be performed under atmospheric pressure and ambient temperature, without the use of vacuum equipment. The oxygen functionalities created on the surfaces are chemically reactive and permanent and allow the foam material to form a covalent bond to the modified surface.
- a foam system (“foam”) is injected and distributed consistently into the mold press.
- the foam is injected within, and bonded to, the peripheral frame.
- the foam is injected within, over, and bonded to, the frame.
- the foam has a thickness substantially equivalent to the thickness of the stud members of the peripheral frame.
- the foam has a thickness to substantially cover and encase the stud members of the peripheral frame.
- the mold press can be temperature controlled, either heated or cooled, to maintain ideal process temperatures.
- the press can be maintained above-ambient pressure, where the pressure is directly related to the density of the foam.
- the density of the foam can be based on the specific application that the building panel is going to be used.
- Any suitable temperature and pressure can be provided that allows the reaction to proceed.
- the temperature of the mold press can controlled by using techniques such as water-jacketing or heat strips.
- the temperature of the mold press may range from about 32° F. to about 180° F.
- the reaction temperature is about 75° F. to about 170° F.
- the reaction occurs at a temperature of about 75° F. to about 150° F.
- the reaction occurs at a temperature of about 80° F. to about 85° F. In yet another embodiment, the reaction occurs at a temperature of about 85° F. to about 120° F.
- the pressure may range from about 1 psi to about 15 psi. In one embodiment of the present invention, the pressure is about 3 psi to about 10 psi. In another embodiment of the present invention, the reaction occurs under a pressure of about 5 psi to about 7 psi.
- the foam can be any suitable foam system that is capable of being injected and distributed consistently within the peripheral frame.
- the foam system may be a thermoset material or a thermoplastic material.
- the foam system may include, but is not limited to, polystyrene, polyurethane, polyurea, polyisocyanurate, and the like.
- the foam system is a molded expanded polystyrene foam.
- the material is an extruded expanded polystyrene foam.
- To achieve a uniform density throughout the building panel an amount of foam is required per cubic feet. In an embodiment of the present invention, 2.2-2.3 pounds/cubic ft of foam is required. In an embodiment, 2.3-2.8 pounds/cubic ft of foam is required.
- polyurethane foam is used.
- the polyurethane foam may be a single-component polyurethane, where the main components (isocyanate and a hydroxy-terminated component) are stored together as a blended mix, accompanied by a blowing agent in liquid form, and catalyzed to cure when exposed to moisture in the air.
- the two main components react chemically, and the heat from this reaction causes the blowing agent to convert into a gas and expand to form the cellular structure of the foam.
- the reaction is complete, the gas is trapped within the material.
- two-component polyurethane the same two main ingredients and appropriate catalysts are kept apart until application.
- the chemical reaction when they are combined is much faster than with one-component foam. Curing is chemical, requires no air or moisture, and is independent of the surrounding environment.
- polyisocyanurate foam may be used for improved fire-resistance and higher R-values as compared to polyurethane foam.
- the foam material includes polyurea linkages and may be prepared by reacting an isocyanate with an amine-terminated component. Whether the foam includes urethane or urethane linkages, the foam may be the result of a one-shot method or a prepolymer method. Those of ordinary skill in the art will appreciate that the different methods have advantages and disadvantages depending on the application.
- Isocyanates for use with the present invention include aliphatic, cycloaliphatic, araliphatic, aromatic, any derivatives thereof, and combinations of these compounds having two or more isocyanate (NCO) groups per molecule.
- Suitable isocyanate-containing components include diisocyanates having the generic structure: O ⁇ C ⁇ N—R—N ⁇ C ⁇ O, where R is preferably a cyclic, aromatic, or linear or branched hydrocarbon moiety containing from about 1 to about 20 carbon atoms.
- Suitable hydroxy-terminated components include, but are not limited to, polyols including polyether polyols, polycaprolactone polyols, polyester polyols, polycarbonate polyols, hydrocarbon polyols, and mixtures thereof. Both saturated and unsaturated polyols are suitable for use with the present invention.
- Non-limiting examples of amine-terminated compounds for use with the present invention include amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycarbonates, amine-terminated polycaprolactones, and mixtures thereof.
- the amine-terminated segments may be in the form of a primary amine (NH 2 ) or a secondary amine (NHR).
- the curing agent may include hydroxy-terminated curing agents, amine-terminated curing agents, and mixtures thereof.
- hydroxy-terminated compounds or amine-terminated compounds discussed above is also suitable for use as a curative.
- aliphatic or saturated components i.e., components that do not include C ⁇ C or aromatic rings, produce foam materials that are less susceptible to ultraviolet light.
- the foam includes only aliphatic components to result in a non-yellowing product. This embodiment is especially useful when the panels are intended to be left unpainted once installed.
- blowing or foaming agents include, but are not limited to, organic blowing agents, such as azobisformamide; azobisisobutyronitrile; diazoaminobenzene; N,N-dimethyl-N,N-dinitrosoterephthalamide; N,N-dinitrosopentamethylene-tetramine; benzenesulfonyl-hydrazide; benzene-1,3-disulfonyl hydrazide; diphenylsulfon-3-3, disulfonyl hydrazide; 4,4′-oxybis benzene sulfonyl hydrazide; p-toluene sulfonyl semicarbizide; barium azodicarboxylate; butylamine nitrile; nitroureas; trihydrazino triazine; phen
- the material is foamed forcing a pressurized gas, such as nitrogen or carbon dioxide, into the polymerizing mixture.
- a pressurized gas such as nitrogen or carbon dioxide
- the material is foamed by blending microspheres with the composition either during or before the molding process.
- Polymeric, ceramic, metal, and glass microspheres are useful in the invention, and may be solid or hollow and filled or unfilled.
- the foamed material may be closed-cell or open-cell, however, as known to those of ordinary skill in the art, a closed-cell foam material forms a hydrophobic top skin. As such, if the material of the invention is initially an open-cell foam, a subsequent sealant is preferred to add hydrophobicity to the cured material.
- step 606 the top platen of the mold press is removed once the foam has cured.
- curing of the mold takes 15-18 minutes. In an embodiment of the present invention, curing of the mold takes 12-15 minutes. In an embodiment of the present invention, curing of the mold takes 25-35 minutes.
- the building panel is removed from the mold press.
- the building panel is provided with a panel identifier.
- the panel identifier specifies a particular structure that the building panel is constructed for as well as the position of the panel with respect to other panels used for constructing the particular structure.
- the panel identifier corresponds to a panel type amongst a plurality of standard building panel types that can be used to construct any number of different types of structures.
Abstract
A method of manufacturing a single layer building panel. The building panels include a peripheral frame having vertical and horizontal members. One or more surfaces of the building panel can be configured with a fiber reinforced layer. The building panels can be manufactured with electrical components. The building panels can also be manufactured with openings for windows, doors and the like. The interior of the panel can include a mesh material disposed therein.
Description
- The present application claims priority to U.S. application Ser. No. 11/350,741, filed Feb. 10, 2006, now pending, which claims priority to U.S. application Ser. No. 11/201,156, filed Aug. 11, 2005, now pending.
- 1. Field of the Invention
- The present invention relates to a building panel, method of fabricating the building panel. More particularly, the present invention relates to the manufacture of a framed building panel, wherein the framed building panel has increased structural integrity and is operable to construct a wall, roof, floor, ceiling, room, and building.
- 2. Description of the Prior Art
- The construction industry is continuously attempting to find ways to reduce the time, cost, skill level, and labor associated with the construction of a structure, such as a building, wall, room, floor, ceiling and roof. Techniques used to reduce the time, cost, skill level and labor associated with the construction of a structure includes prefabrication of various portions of a structure. Once the portion of the structure is fabricated, it is then transported to the construction site for placement in its intended location. One problem with such techniques is that the prefabricated portion of the structure is constructed with conventional materials using the techniques that would be used on the construction site. Another problem with these techniques is that the prefabricated portion is subject to damage during its transportation to the construction site.
- These techniques typically also require that the structural integrity of the prefabricated portion of the building panel is derived solely from the frame of the prefabricated portion. In some instances, the structural integrity of the prefabricated portion of the building and the building itself is further derived from the specific way a prefabricated portion needs to be assembled with another portion of the building using connections, fasteners, and other coupling mechanisms specific to using the prefabricated portion.
- Accordingly, there is a need for a building panel having structural integrity, a method of fabricating the building panel having structural integrity, and method to more quickly and simply construct a building employing the building panel. There is a need for the building panel having structural integrity and the method of fabricating the building panel having structural integrity, where the structural integrity is greater than derived just from the frame and is derived from the bonding of the foam to vertically and horizontally aligned stud members, and further enhanced by the structural fabric's impregnation with the foam on a surface of the building panel. There is a need for the vertically and horizontally aligned studs to form a frame. There is a need for the foam to define an interior side of the building panel and an exterior side of the building panel. There is a need for the building panel having structural integrity to couple to another building panel having structural integrity. There is a need for the building panel to couple with an adjacent building panel. There is a need for the building panel to be held in an upright position employing a track secured to a floor, such as with an anchor. There is a need for the building panel to be held in an upright position employing a track secured to a floor, such as with an anchor.
- According to an embodiment of the present invention, a building panel having structural integrity, a method of fabricating the building panel having structural integrity is provided. The building panel is a one layer building panel that derives its structural integrity from foam forming the layer that bonds to horizontal and vertical stud members and a surface of the foam having fiber that reinforces an exterior surface of the panel. The building panel is manufactured using a foaming fixture, or mold press. Building panels can be coupled to one another to construct a structure, such as a room, floor, and roof, using vertical members at the edges. One or more building panels can be inserted into one or more tracks secured to a floor to hold the one or more building panels in a plumb and upright position.
- According to an embodiment of the present invention, a method of fabricating a building panel having structural integrity is provided. The method includes placing a peripheral frame in a foaming fixture, or mold press having sidewalls, a top platen and a bottom platen, placing dry fiber on one of the top platen or bottom platen, closing the top platen, injecting foam into the mold press and within the peripheral frame and allowing the foam to cure.
- In an embodiment of the present invention, the structural integrity of the building panel is derived from the bonding of the foam to the peripheral frame.
- In an embodiment of the present invention, the foam comprises a thermoplastic material or a thermoset material.
- In an embodiment of the present invention, the peripheral frame can be automatically fabricated based on input received from a file having the structural design of structure using building panels.
- In an embodiment of the present invention, the peripheral frame includes a top horizontal stud member, a bottom horizontal stud member, a left vertical stud member, and a right vertical stud member. A first end portion of the top horizontal stud member joins to a first end portion of left vertical stud member, a second end of the top horizontal stud member joins to a first end portion of right vertical stud member, a first end portion of the bottom horizontal stud member joins to a second end portion of left vertical stud member, and a second end portion of the bottom horizontal stud member joins to a second end of the right vertical stud member.
- In an embodiment of the present invention, the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member are configured as one of: a conventional stud, and a c-shaped stud.
- In an embodiment of the present invention, a first side of the foam defines an exterior surface of the building panel and a second side of the foam defines an interior surface of the building panel.
- In an embodiment of the present invention, the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member is constructed from one of: metal, aluminum, wood, and plastic.
- In an embodiment of the present invention, the peripheral frame is configured with an opening for any one of: a window and a door.
- In an embodiment of the present invention, the peripheral frame is configured with an electrical component including any one of: a switch, a conduit for wiring, and an outlet.
- In an embodiment of the present invention, the top platen is opened.
- In an embodiment of the present invention, the building panel is removed from the foaming fixture, or mold press.
- In an embodiment of the present invention, a release agent is provided on the surface of the top platen and bottom platen that engages with the foam.
- In an embodiment of the present invention, dry fiber is placed on both the top platen and bottom platen
- The above described features and advantages of the present invention will be more fully appreciated with reference to the detailed description and appended figures in which:
-
FIGS. 1A-1B depict exemplary diagrams of a building panel having structural integrity according to an embodiment of the present invention; -
FIG. 1 C depicts an exemplary top view of a c-shaped stud with foam and mesh according to an embodiment of the present invention; -
FIG. 2 depicts an exemplary diagram of a building panel with a diagonal stud member having structural integrity according to an embodiment of the present invention; -
FIG. 3 depicts an exemplary diagram of a building panel with an inner vertical stud member having structural integrity according to an embodiment of the present invention; -
FIG. 4 depicts an exemplary diagram of an anchor and track according to an embodiment of the present invention; -
FIG. 5 depicts an exemplary flow chart of a method for constructing a structure using a set of building panels according to an embodiment of the present invention; and -
FIG. 6 depicts an exemplary flow chart of a method of fabricating the building panel shown inFIG. 1 . - The present invention is now described more fully hereinafter with reference to the accompanying drawings that show embodiments of the present invention. The present invention, however, may be embodied in many different forms and should not be construed as limited to embodiments set forth herein. Appropriately, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention.
- According to an embodiment of the present invention, a building panel having structural integrity, a method of fabricating the building panel having structural integrity and method of constructing a building employing the building panel are provided. The building panel is a one layer building panel that derives its structural integrity from a foam forming the layer that bonds to horizontal and vertical stud members. The vertical stud members can be provided at the edges of the building panel. The horizontal stud members can be provided at the edges of the building panel and together with the vertical stud member form a peripheral frame for the building panel. The foam is bonded to the horizontal and vertical stud members using temperatures and pressures above ambient. Building panels can be coupled to one another to construct a structure, such as a room, floor, and roof, using vertical and horizontal stud members at the edges. One or more building panels can be inserted into one or more tracks secured to a floor to hold the one or more building panels in an upright position.
- Exemplary diagrams of a building panel having structural integrity according to an embodiment of the present invention are shown in
FIGS. 1A-1B . In the embodiment ofFIG. 1A , buildingpanel 100 includes a tophorizontal stud member 102, a bottomhorizontal stud member 104, a rightvertical stud member 106, a leftvertical stud member 108, and afoam member 110. The building panel ofFIG. 1A includes anexterior panel side 112, aninterior panel side 114, and amesh member 116 positioned withinfoam member 110 as shown inFIG. 1B . In theFIG. 1A embodiment of the present invention, the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108 can be constructed from one of metal, aluminum, wood and plastic. In an embodiment of the present invention, a stud member, such as tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and/or leftvertical stud member 108, can be configured as a conventional stud, a c-shaped stud, or the like. In an embodiment of the present invention, thefoam member 110 forms around the c-shaped stud members to provide increase structural integrity andmesh member 116 couples to c-shaped stud member as shown inFIG. 1C . In an embodiment of the present invention, themesh member 116 is provided within thefoam member 110. In an embodiment of the present invention, the mesh can span the extent of thefoam member 110 and couple to each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108. In an embodiment of the present invention, a set of mesh members can be provided within thefoam member 110 and extend from the tophorizontal stud member 102 to the bottomhorizontal stud member 104. In an embodiment of the present invention, a set of mesh members can be provided within thefoam member 110 and extend from the leftvertical stud member 108 to the rightvertical stud member 106. - The
mesh member 116 can be configured from materials including, but not limited to, aluminum, steal, copper, and plastic. In an embodiment of the present invention, the mesh size can be from 2 Mesh to 325 Mesh which means the number of meshes per lineal inch of material. In an embodiment of the present invention, the mesh size can be 5 Mesh to 300 Mesh. In an embodiment of the present invention gauge of the mesh can be from 50 gauge to 10 gauge. In another embodiment, the mesh has a gauge ranging from 40 to 10. In an embodiment of the present invention, the mesh has a gauge ranging from 30 to 15. - In an embodiment of the present invention, a surface of
foam member 110 can be provided with a fiber reinforcedsurface layer 118 as shown inFIG. 1C . The fiber can be made from any material that strengthens the impact level of thepanel member 100. The material can be, but is not limited to, Fiberglass, Aramid, Carbon and Natural fibers. In an embodiment of the present invention, the weight per square yard of the fiber can range from 12 oz. to 300 oz. In an embodiment of the present invention, the weight per square yard of the fibber can range from 12 oz. to 100 oz. In an embodiment of the present invention, the weight per square yard of the fiber can range from 75 oz. to 200 oz. In an embodiment of the present invention, the weight per square yard of the fibber can range from 125 oz. to 300 oz. The orientation of the fibers with respect to the longitudinal axis of the panel surface can be 0, +/−5, +/−10, +/−15, +/−30, +/−45, +/−60 and +/−90 degrees or any angle in between. The fiber layers can be either stitch bonded or woven together to formmultiple ply cloths 120, as shown inFIG. 1C , which are utilized in the production of the panels. - In the
FIG. 1A embodiment of the present invention, tophorizontal stud member 102 and bottomhorizontal stud member 104 are axially aligned and positioned at the upper and lower periphery of buildingpanel 100 to form the top and bottom of buildingpanel 100. In an embodiment of the present invention, tophorizontal stud member 102 and bottomhorizontal stud member 104 are axially aligned and positioned at a predetermined distance from one another. In theFIG. 1A embodiment of the present invention, rightvertical stud member 106 and leftvertical stud member 108 are axially aligned and positioned at the left and right periphery of buildingpanel 100 to form the left side and right side of buildingpanel 100. In an embodiment of the present invention, leftvertical stud member 108 and rightvertical stud member 106 are axially aligned and positioned at a predetermined distance from one another. In an embodiment of the present invention, thevertical stud members building panel 100 and thehorizontal stud members building panel 100. The building panel can be secured to a floor member to hold the building panel in an upright position by methods including, but not limited to, slots in the foundation or direct fixation with screws, welds or adhesives. - In the
FIG. 1A embodiment of the present invention, the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108 form a frame aroundpanel member 110. In theFIG. 1A embodiment of the present invention, a first end portion of the tophorizontal stud member 102 squarely abuts a first end portion of leftvertical stud member 108. In theFIG. 1A embodiment of the present invention, a second end of the tophorizontal stud member 102 squarely abuts a first end portion of rightvertical stud member 106. In theFIG. 1A embodiment of the present invention, a first end portion of the bottomhorizontal stud member 104 squarely abuts a second end portion of leftvertical stud member 108. In theFIG. 1A embodiment of the present invention, a second end portion of the bottomhorizontal stud member 104 squarely abuts a second end of rightvertical stud member 106. In an embodiment of the present invention, the members can be coupled, such as by screws, welding, adhesive and bolts, at the points of abutment to further provide structural integrity. - In the
FIG. 1A embodiment of the present invention,panel member 110 extends and bonds to the inner side of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108. In theFIG. 1A embodiment of the present invention, the thickness of thepanel member 110 is substantially the same as the width of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108. The front side and back side of thefoam member 110 define the exterior and interior of buildingpanel 100. In an embodiment of the present invention, buildingpanel 100 conforms to chapter 26 of the International building code for requirements including, but not limited to, flame spread and smoke spread. - In an embodiment of the present invention,
panel member 110 extends to the outer side of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108 and bonds to the back, front, and inner sides of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108. In an embodiment of the present invention, thepanel member 110 thickness extends beyond the width of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108. In an embodiment of the present invention, the front side and back side of thefoam member 110 defines the exterior and interior of building panel 1100 as well as the exterior and interior of a wall, roof, or ceiling for a structure constructed withbuilding panel 100. - An exemplary embodiment of the
building panel 100 ofFIGS. 1A-1B is shown inFIG. 2 with a diagonal stud member. In theFIG. 2 embodiment of the present invention,diagonal stud member 202 can be constructed from one of metal, aluminum, wood and plastic. In theFIG. 2 embodiment of the present invention, a first end portion of thediagonal stud member 202 abuts to a second end portion of the tophorizontal stud member 102 and a first end portion of rightvertical stud member 106. In theFIG. 2 embodiment of the present invention, a second end portion of thediagonal stud member 202 abuts a first end portion of the bottomhorizontal stud member 104 squarely and second end portion of leftvertical stud member 108. In theFIG. 2 embodiment of the present invention,panel member 110 extends and bonds to the inner side of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108 as well as the right and left side ofdiagonal stud member 202. In an embodiment of the present invention, the members can be coupled at the points of abutment to further provide structural integrity. - An exemplary embodiment of the
building panel 100 ofFIGS. 1A-1B is shown inFIG. 3 with an inner vertical stud member. In theFIG. 3 embodiment of the present invention, an innervertical stud member 302 can be constructed from one of metal, aluminum, wood and plastic. In theFIG. 3 embodiment of the present invention, a fist end portion of an innervertical stud member 302 squarely abuts the tophorizontal stud member 102 and a second end of the innervertical stud member 302 squarely abut the bottomhorizontal stud member 104. In theFIG. 3 embodiment of the present invention,panel member 110 extends and bonds to the inner side of each of the tophorizontal stud member 102, bottomhorizontal stud member 104, rightvertical stud member 106, and leftvertical stud member 108 as well as the right and left side of innervertical stud member 106. In an embodiment of the present invention, the members can be coupled at the points of abutment to further provide structural integrity. In an embodiment of the present invention, inner stud members can be configured to define openings for doors, windows, and the like. - An exemplary side view of an anchor and track is shown in
FIG. 4 . In theFIG. 4 embodiment of the present invention, thetrack 400 has a C-shaped configuration having a base and two sidewalls projecting upward from the base, which can be secured to a floor at the side of base opposite the sidewalls using one or more anchors. In an embodiment of the present invention, thetrack 400 can be used to hold one or more wall structures, such as abuilding panel 100, in an upright position between the sidewalls. Thetrack 400 can be constructed from one of metal, aluminum, and the like. In an embodiment of the present invention, the track can be secured to a floor using ananchor 402 including, but not limited to, one or a combination of screws, bolts, welds, anchors, adhesive, and the like. Theanchor 402 can be constructed from one of metal, steel, and the like. In an embodiment of the present invention, the floor is pre-dried concrete and the base of thetrack 400 meets with a pre-dried concrete floor. Once the concrete dries, thetrack 400 and anchor are securely fastened to the concrete floor. - An exemplary flow chart of a method of constructing a structure using the building panels, anchor and track, and stud member is shown in
FIG. 5 . The type of structure includes, but are not limited to, a wall, roof, room, home, commercial building, strip mall, cold storage facility, and apartment building. The method begins withstep 500. Instep 500, a set of tracks is positioned in a configuration to define the outer boundaries of a building. In step, 502, anchors are inserted through holes in the tracks and into the floor that the tracks sit on. In an embodiment of the present invention, the floor is made from material including, but not limited to, concrete, wood, and metal. Instep 504, the walls of the structure are constructed. In theFIG. 5 embodiment of the present invention, construction of a wall includes, inserting a set of building panels within the sidewalls of the track and coupling together the stud members of adjacent building panels. To inserting a building panel within the sidewalls of the track, the building panel can be lifted over the sidewalls of the track. In an embodiment of the present invention, the structure is provided with a ceiling made using conventional construction techniques. In an embodiment of the present invention, the structure is provided with a ceiling made from building panels. - An exemplary flow chart of a method of fabricating the building panel of
FIG. 1 is shown inFIG. 6 . The method begins instep 600. Instep 600, a peripheral frame of stud members is placed in a mold press. In an embodiment of the present invention, the peripheral frame is fabricated with electrical components including, but not limited to conduits for wiring, outlets and switch boxes. In an embodiment of the present invention, the peripheral frame is configured with an opening for a window or door. In an embodiment of the present invention, the mold press includes an enclosure having a top platen that can be opened and closed, sidewalls and a bottom platen. In an embodiment of the present invention, a mesh is coupled to the peripheral frame. In an embodiment of the present invention, a mesh is suspended within the peripheral frame. In an embodiment of the present invention,dry fiber 120 as shown inFIG. 1C is laid on the bottom panel and/or provided on the top panel of the mold press and expanded to make the fiber taut. Once the foam is injected into the mold press the fiber is impregnated with the foam. - In
step 602, the top platen of the mold press is closed and secured to the sidewalls. In an embodiment of the present invention, the top platen is secured to the sidewalls with sufficient strength to sustain pressures achieved by the mold press. In an embodiment of the present invention, a release agent is applied to the top platen and/or the bottom platen to facilitate the removal of the building panel from the mold press. In one embodiment, the studs and/or mesh can be surface treated for improved bonding. Surface treatment can be effected by any of the several techniques known in the art, such as corona discharge, plasma treatment, ozone treatment, sand blasting, brush tumbling, and the like. Preferably, surface treatment is effected by grinding with an abrasive wheel. As will be appreciated by those of ordinary skill in the art, the effect of the surface treatment can vary based on the type of material used to fabricate the stud and/or mesh. For example, a metal stud can be subjected to sand blasting in order to increase the adhesion between the metal stud and the foam material. - In an alternate embodiment, a metal stud can be pretreated with a plasma thermal spray coating thus taking advantage of the ability of plasma technology to excite gas atoms and molecules into transient and nonequilibrium conditions. An enclosed vacuum chamber can be used to excite the gas molecules by subjecting the gas mixture to an electrified field of radio frequency (rf) energy. In the alternative, the plasma technology can be performed under atmospheric pressure and ambient temperature, without the use of vacuum equipment. The oxygen functionalities created on the surfaces are chemically reactive and permanent and allow the foam material to form a covalent bond to the modified surface.
- In
step 604, a foam system (“foam”) is injected and distributed consistently into the mold press. In an embodiment of the present invention, the foam is injected within, and bonded to, the peripheral frame. In an embodiment of the present invention, the foam is injected within, over, and bonded to, the frame. In an embodiment of the present invention, the foam has a thickness substantially equivalent to the thickness of the stud members of the peripheral frame. In an embodiment of the present invention, the foam has a thickness to substantially cover and encase the stud members of the peripheral frame. In an embodiment of the present invention, the mold press can be temperature controlled, either heated or cooled, to maintain ideal process temperatures. - In the
FIG. 6 embodiment of the present invention, the press can be maintained above-ambient pressure, where the pressure is directly related to the density of the foam. In an embodiment of the present invention, the density of the foam can be based on the specific application that the building panel is going to be used. Any suitable temperature and pressure can be provided that allows the reaction to proceed. In an embodiment of the present invention, the temperature of the mold press can controlled by using techniques such as water-jacketing or heat strips. For example, the temperature of the mold press may range from about 32° F. to about 180° F. In one embodiment, the reaction temperature is about 75° F. to about 170° F. In another embodiment, the reaction occurs at a temperature of about 75° F. to about 150° F. In yet another embodiment, the reaction occurs at a temperature of about 80° F. to about 85° F. In yet another embodiment, the reaction occurs at a temperature of about 85° F. to about 120° F. The pressure may range from about 1 psi to about 15 psi. In one embodiment of the present invention, the pressure is about 3 psi to about 10 psi. In another embodiment of the present invention, the reaction occurs under a pressure of about 5 psi to about 7 psi. - The foam can be any suitable foam system that is capable of being injected and distributed consistently within the peripheral frame. For example, the foam system may be a thermoset material or a thermoplastic material. The foam system may include, but is not limited to, polystyrene, polyurethane, polyurea, polyisocyanurate, and the like. In one embodiment, the foam system is a molded expanded polystyrene foam. In another embodiment, the material is an extruded expanded polystyrene foam. To achieve a uniform density throughout the building panel an amount of foam is required per cubic feet. In an embodiment of the present invention, 2.2-2.3 pounds/cubic ft of foam is required. In an embodiment, 2.3-2.8 pounds/cubic ft of foam is required.
- In still another embodiment, polyurethane foam is used. The polyurethane foam may be a single-component polyurethane, where the main components (isocyanate and a hydroxy-terminated component) are stored together as a blended mix, accompanied by a blowing agent in liquid form, and catalyzed to cure when exposed to moisture in the air. On release from their pressurized container, the two main components react chemically, and the heat from this reaction causes the blowing agent to convert into a gas and expand to form the cellular structure of the foam. When the reaction is complete, the gas is trapped within the material. In two-component polyurethane, the same two main ingredients and appropriate catalysts are kept apart until application. The chemical reaction when they are combined is much faster than with one-component foam. Curing is chemical, requires no air or moisture, and is independent of the surrounding environment. As an alternative, polyisocyanurate foam may be used for improved fire-resistance and higher R-values as compared to polyurethane foam.
- In yet another embodiment, the foam material includes polyurea linkages and may be prepared by reacting an isocyanate with an amine-terminated component. Whether the foam includes urethane or urethane linkages, the foam may be the result of a one-shot method or a prepolymer method. Those of ordinary skill in the art will appreciate that the different methods have advantages and disadvantages depending on the application.
- Any isocyanate available to one of ordinary skill in the art is suitable for use according to the invention. Isocyanates for use with the present invention include aliphatic, cycloaliphatic, araliphatic, aromatic, any derivatives thereof, and combinations of these compounds having two or more isocyanate (NCO) groups per molecule. Suitable isocyanate-containing components include diisocyanates having the generic structure: O═C═N—R—N═C═O, where R is preferably a cyclic, aromatic, or linear or branched hydrocarbon moiety containing from about 1 to about 20 carbon atoms.
- Suitable hydroxy-terminated components include, but are not limited to, polyols including polyether polyols, polycaprolactone polyols, polyester polyols, polycarbonate polyols, hydrocarbon polyols, and mixtures thereof. Both saturated and unsaturated polyols are suitable for use with the present invention. Non-limiting examples of amine-terminated compounds for use with the present invention include amine-terminated hydrocarbons, amine-terminated polyethers, amine-terminated polyesters, amine-terminated polycarbonates, amine-terminated polycaprolactones, and mixtures thereof. The amine-terminated segments may be in the form of a primary amine (NH2) or a secondary amine (NHR).
- If the prepolymer method is used to form a polyurethane or polyurea-based material, the curing agent may include hydroxy-terminated curing agents, amine-terminated curing agents, and mixtures thereof. For example, any of the hydroxy-terminated compounds or amine-terminated compounds discussed above is also suitable for use as a curative.
- As known to those of ordinary skill in the art, aliphatic or saturated components, i.e., components that do not include C═C or aromatic rings, produce foam materials that are less susceptible to ultraviolet light. As such, in one embodiment (when applicable), the foam includes only aliphatic components to result in a non-yellowing product. This embodiment is especially useful when the panels are intended to be left unpainted once installed.
- Foaming of the material of the invention may occur through the addition of at least one physical or chemical blowing or foaming agent. Suitable blowing or foaming agents include, but are not limited to, organic blowing agents, such as azobisformamide; azobisisobutyronitrile; diazoaminobenzene; N,N-dimethyl-N,N-dinitrosoterephthalamide; N,N-dinitrosopentamethylene-tetramine; benzenesulfonyl-hydrazide; benzene-1,3-disulfonyl hydrazide; diphenylsulfon-3-3, disulfonyl hydrazide; 4,4′-oxybis benzene sulfonyl hydrazide; p-toluene sulfonyl semicarbizide; barium azodicarboxylate; butylamine nitrile; nitroureas; trihydrazino triazine; phenyl-methyl-uranthan; p-sulfonhydrazide; peroxides; and inorganic blowing agents such as ammonium bicarbonate and sodium bicarbonate.
- In another embodiment, the material is foamed forcing a pressurized gas, such as nitrogen or carbon dioxide, into the polymerizing mixture. In another embodiment, the material is foamed by blending microspheres with the composition either during or before the molding process. Polymeric, ceramic, metal, and glass microspheres are useful in the invention, and may be solid or hollow and filled or unfilled.
- The foamed material may be closed-cell or open-cell, however, as known to those of ordinary skill in the art, a closed-cell foam material forms a hydrophobic top skin. As such, if the material of the invention is initially an open-cell foam, a subsequent sealant is preferred to add hydrophobicity to the cured material.
- In
step 606, the top platen of the mold press is removed once the foam has cured. In an embodiment of the present invention, curing of the mold takes 15-18 minutes. In an embodiment of the present invention, curing of the mold takes 12-15 minutes. In an embodiment of the present invention, curing of the mold takes 25-35 minutes. - In
step 608, the building panel is removed from the mold press. In an embodiment of the invention, the building panel is provided with a panel identifier. In an embodiment of the present invention, the panel identifier specifies a particular structure that the building panel is constructed for as well as the position of the panel with respect to other panels used for constructing the particular structure. In an embodiment of the invention, the panel identifier corresponds to a panel type amongst a plurality of standard building panel types that can be used to construct any number of different types of structures. - While specific embodiments of the present invention have been illustrated and described, it will be understood by those having ordinary skill in the art that changes can be made to those embodiments without departing from the spirit and scope of the invention.
Claims (14)
1. A method of fabricating a building panel having structural integrity comprising:
placing a peripheral frame in a mold press having sidewalls, a top platen and a bottom platen,
placing dry fiber on one of the top platen or bottom platen,
closing the top platen,
injecting foam into the mold press and within the peripheral frame; and
allowing the foam to cure.
2. The method according to claim 1 , wherein the structural integrity of the building panel is derived from the bonding of the foam to the peripheral frame.
3. The method according to claim 1 , wherein the foam comprises a thermoplastic material or a thermoset material.
4. The method according to claim 1 , wherein the peripheral frame can be automatically fabricated based on input received from a file having the structural design of structure using building panels.
5. The method according to claim 1 , wherein the peripheral frame includes a top horizontal stud member, a bottom horizontal stud member, a left vertical stud member, and a right vertical stud member. A first end portion of the top horizontal stud member joins to a first end portion of left vertical stud member, a second end of the top horizontal stud member joins to a first end portion of right vertical stud member, a first end portion of the bottom horizontal stud member joins to a second end portion of left vertical stud member, and a second end portion of the bottom horizontal stud member joins to a second end of the right vertical stud member.
6. The method according to claim 1 , wherein the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member are configured as one of: a convention stud, and a c-shaped stud.
7. The method according to claim 1 , wherein a first side of the foam defines an exterior surface of the building panel and a second side of the foam defines an interior surface of the building panel.
8. The method according to claim 1 , wherein the top horizontal stud member, the bottom horizontal stud member, the right vertical stud member, and the left vertical stud member is constructed from one of: metal, aluminum, wood, and plastic.
9. The method according to claim 1 , wherein the peripheral frame is configured with an opening for any one of: a window and a door.
10. The method according to claim 1 , wherein the peripheral frame is configured with an electrical component including any one of: a switch, a conduit for wiring, and an outlet.
11. The method according to claim 1 , further comprising opening the top platen and removing the building panel from the mold press.
12. The method according to claim 1 , further comprising placing a release agent on the surface of any one of the top platen and bottom platen that engages with the foam.
13. The method according to claim 1 , wherein dry fiber is placed on both the top platen and bottom platen.
14. A building panel including studs used in construction manufactured according to the method of claim 1 comprising:
a peripheral frame configured with the studs, wherein the studs include a top horizontal stud member, a bottom horizontal stud member, a left vertical stud member, and a right vertical stud member, wherein a portion of the top horizontal stud member joins to a portion of left vertical stud member, a portion of the top horizontal stud member joins to a portion of right vertical stud member, a portion of the bottom horizontal stud member joins to a portion of left vertical stud member, and a portion of the bottom horizontal stud member joins to a portion of the right vertical stud member; and
a foam formed at least within the peripheral frame, wherein the foam is bonded to the peripheral frame, a first side of the foam having fiber impregnated with the foam defines a first surface of the building panel, and a second side of the foam defines an a second surface of the building panel.
Priority Applications (1)
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US12/285,442 US20090178354A1 (en) | 2005-08-11 | 2008-10-06 | Method of manufacturing poly-bonded framed panels |
Applications Claiming Priority (3)
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US11/201,156 US7621101B2 (en) | 2005-08-11 | 2005-08-11 | Poly-bonded framed panels |
US11/350,741 US7836663B2 (en) | 2005-08-11 | 2006-02-10 | Poly-bonded framed panels |
US12/285,442 US20090178354A1 (en) | 2005-08-11 | 2008-10-06 | Method of manufacturing poly-bonded framed panels |
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US11/350,741 Continuation-In-Part US7836663B2 (en) | 2005-08-11 | 2006-02-10 | Poly-bonded framed panels |
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US20090178354A1 true US20090178354A1 (en) | 2009-07-16 |
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US12/285,442 Abandoned US20090178354A1 (en) | 2005-08-11 | 2008-10-06 | Method of manufacturing poly-bonded framed panels |
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US (1) | US20090178354A1 (en) |
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US20110011006A1 (en) * | 2009-07-16 | 2011-01-20 | Aluplast Gmbh | Method for the production of an insulated window or door frame |
WO2012126282A1 (en) * | 2011-03-24 | 2012-09-27 | Ting Raymond M L | Composite foam panel housing unit |
US20120274194A1 (en) * | 2011-04-28 | 2012-11-01 | Hon Hai Precision Industry Co., Ltd. | Enclosure assembly |
WO2015083084A1 (en) * | 2013-12-03 | 2015-06-11 | Eutherm Sp. Z O.O. | A thermally-insulating composite elevation panel, a method of its preparation and a use of the thermally-insulating composite elevation panel |
US9732525B1 (en) | 2016-09-01 | 2017-08-15 | Bryan Scott Mello | Method and apparatus for manufacturing building panels |
EP3358096A4 (en) * | 2015-09-30 | 2020-01-29 | Martínez, Sebastián | Method for producing a wall or roof panel having installations included, walls or roofs pre-fabricated using said method and joints between the wall and roof panels |
US10875218B2 (en) | 2016-09-01 | 2020-12-29 | Bryan Scott Mello | Method and apparatus for manufacturing building panels |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110011006A1 (en) * | 2009-07-16 | 2011-01-20 | Aluplast Gmbh | Method for the production of an insulated window or door frame |
WO2012126282A1 (en) * | 2011-03-24 | 2012-09-27 | Ting Raymond M L | Composite foam panel housing unit |
US20120274194A1 (en) * | 2011-04-28 | 2012-11-01 | Hon Hai Precision Industry Co., Ltd. | Enclosure assembly |
WO2015083084A1 (en) * | 2013-12-03 | 2015-06-11 | Eutherm Sp. Z O.O. | A thermally-insulating composite elevation panel, a method of its preparation and a use of the thermally-insulating composite elevation panel |
RU2651850C1 (en) * | 2013-12-03 | 2018-04-24 | ЭУТЕРМ Сп. С О.О. | Thermal insulating composite facade panel, method of its preparation and use of thermal insulating composite facade panel |
EP3358096A4 (en) * | 2015-09-30 | 2020-01-29 | Martínez, Sebastián | Method for producing a wall or roof panel having installations included, walls or roofs pre-fabricated using said method and joints between the wall and roof panels |
US9732525B1 (en) | 2016-09-01 | 2017-08-15 | Bryan Scott Mello | Method and apparatus for manufacturing building panels |
US10500772B2 (en) | 2016-09-01 | 2019-12-10 | Bryan Scott Mello | Expanded foam-filled building panel |
US10875218B2 (en) | 2016-09-01 | 2020-12-29 | Bryan Scott Mello | Method and apparatus for manufacturing building panels |
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