# US 11,795,688 B2 · Structural building panels and panel components, panel assemblies, methods of making, and methods of using > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,795,688 B2 - Document ID: US11795688B2 - Status: Granted - Kind: B2 - Application number: 17/300,417 - Filed: 2021-06-23 - Published: 2022-01-06 - Granted: 2023-10-24 - Earliest claimed: 2020-07-01 - Assignees: Composite Panel Systems, LLC - Applicants: Composite Panel Systems, LLC - Inventors: Glenn P. Schiffmann; Gerhard P. Schiffmann; Michael Justin Millis - Web page: https://patentgrep.com/patent/US11795688B2 ## CPC - E04C 2/205: {of foamed plastics, or of plastics and foamed plastics, optionally reinforced} - E04C 2/38: with attached ribs, flanges, or the like, e.g. framed panels (concerned with attaching to other panels or elements to form a structure, see the places for the relevant structure, e.g. E04B2/00) - B32B 3/04: characterised by {at least one} layer folded at the edge, e.g. over another layer {; characterised by at least one layer enveloping or enclosing a material} - B32B 3/18: characterised by an internal layer formed of separate pieces of material {which are juxtaposed side-by-side (B32B5/02 takes precedence)} - B32B 5/02: characterised by structural features of a {fibrous or filamentary} layer {(layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02)} - B32B 5/024: {Woven fabric} - B32B 5/026: {Knitted fabric} - B32B 5/18: characterised by features of a layer {of} foamed material - B32B 5/245: {another layer next to it being a foam layer} - B32B 5/26: another layer {next to it} also being fibrous or filamentary {(relative arrangement of fibres or filaments of different layers B32B5/12)} - B32B 5/262: {characterised by one fibrous or filamentary layer being a woven fabric layer} - B32B 7/08: by mechanical means - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 27/065: {of foam} - B32B 27/36: comprising polyesters - E04B 2/70: with elongated members of wood - E04C 2/296: composed of insulating material and non-metallic or unspecified sheet-material (E04C2/288 takes precedence) - E04C 2/40: composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected {of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels (E04C2/041 takes precedence)} - E04C 2/46: {specially adapted for making walls (E04C2/52, E04C2/54 take precedence; structure of slab-shaped elements E04B1/02; walls of elements of relatively thin form E04B2/72)} - B32B 2255/102: synthetic resin or rubber layer being a foamed layer - B32B 2255/26: Polymeric coating - B32B 2260/023: Two or more layers - B32B 2260/046: Synthetic resin - B32B 2262/0269: Aromatic polyamide fibres - B32B 2262/101: Glass fibres - B32B 2262/103: Metal fibres - B32B 2262/106: Carbon fibres, e.g. graphite fibres - B32B 2266/0228: Aromatic vinyl resin, e.g. styrenic (co)polymers - B32B 2266/0278: Polyurethane - B32B 2307/304: Insulating - B32B 2307/3065: Flame resistant or retardant, fire resistant or retardant - B32B 2307/558: Impact strength, toughness - B32B 2307/712: Weather resistant - B32B 2307/72: Density - B32B 2307/7246: Water vapor barrier - B32B 2307/7265: Non-permeable - B32B 2307/732: Dimensional properties - B32B 2607/00: Walls, panels - E04B 1/12: the elements consisting of other material - E04B 2103/04: of plastics, fibrous material or wood - E04C: STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S) - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001}) ## Abstract Light weight fiber-reinforced polymeric structural building panels and methods; sized, configured for fabrication of non-portable wall structures permanently fixed to natural base. The panel main body, and studs, can be fabricated separately, then assembled to each other to complete panel fabrication. Methods for making the main body are hand lay-up, or pultrusion. Studs are typically pultruded, and subsequently prepared having consistent thickness, flat surface, across the width of the stud end wall which is to be mounted to the main body. Foam blocks are between inner and outer layers of the panel. Foam blocks can be prepared in block clusters before assembly to the main body. In the main body, a fibrous layer is between each pair of next adjacent foam blocks. Intercostals extend “y” and “z” dimensions transverse to the length of the main body. Studs can be mounted to the main body using adhesive, mechanical fasteners, or both. ## Claims ### Claim 1 A fiber-reinforced polymeric structural building panel having a length, a top and a bottom, and comprising: (a) as a first component of said building panel, a main body, fabricated in a first fabrication process and comprising (i) an outer fiber-reinforced polymeric layer, said outer fiber-reinforced polymeric layer comprising a first set of fibers in a first reaction-cured resin composition, said outer fiber-reinforced polymeric layer defining a first outermost surface of said main body; (ii) an inner fiber-reinforced polymeric layer, said inner fiber-reinforced polymeric layer comprising a second set of fibers in a second reaction-cured resin composition, said inner fiber-reinforced polymeric layer defining a second outermost surface of said main body, opposite the first outermost surface of said main body; and (b) as a second component of said building panel, fabricated by use of a second fabrication process, different from the first fabrication process, a plurality of load-bearing studs, spaced along the length of said main body and extending, from said inner fiber-reinforced polymeric layer of said main body, away from the second outermost surface, including away from said main body, said studs extending along the height of said building panel between the top and the bottom of said building panel, each said stud comprising first and second end walls (126), and first and second stud legs (128), said end walls and said stud legs collectively defining outer surfaces of the respective said stud, said end walls and said stud legs, of a given said stud, comprising a third set of fibers in a third reaction-cured resin composition, said first end wall having a first thickness at a first midpoint along a first width of said first end wall substantially equal to a second thickness of said first stud end wall at a first end of the first width of said first end wall, at least one of said second end wall and said first and second legs having a second width, a third thickness of the respective end wall or leg, at a second end of the second width, being greater than a fourth thickness of the respective second end wall or leg at a second mid-point along the second width of the second end wall or leg. ### Claim 2 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said first end wall reflecting having had a first outer surface, prior to assembly to said main body, substantially rougher than a second outer surface of at least one of said second end wall and said first and second legs. ### Claim 3 (depends on 2) The fiber-reinforced polymeric structural building panel as in claim 2, at least one remaining one of said second end wall and said first and second legs, taken individually, having a maximum thickness across a width thereof at least 10 percent greater than the thickness of said first stud end wall at the first end of the first width of said first end wall. ### Claim 4 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said studs being secured to said main body by at least adhesive. ### Claim 5 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said studs being secured to said main body by at least mechanical fasteners. ### Claim 6 (depends on 5) The fiber-reinforced polymeric structural building panel as in claim 5 wherein said first end wall of a respective said stud is disposed toward said inner fiber-reinforced polymeric layer of said main body, and wherein first and second said mechanical fasteners extend through said first end wall into said main body, and axial extensions of said first and second mechanical fasteners extend through opposing ends of the respective said stud. ### Claim 7 (depends on 6) The fiber-reinforced polymeric structural building panel as in claim 6, said second end wall being disposed opposite said first end wall, further comprising an access port in said second end wall, spaced from the opposing open ends of said stud, a third mechanical fastener being disposed inwardly of said access port, toward said first end wall, with a shank of said mechanical fastener extending through said first end wall and into said main body, and a head of said mechanical fastener being between said access port and said first end wall. ### Claim 8 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said studs being secured to said main body by a combination of adhesive and mechanical fasteners. ### Claim 9 (depends on 8) The fiber-reinforced polymeric structural building panel as in claim 8, said building panel further comprising a plurality of foam block clusters disposed between said inner layer and said outer layer, at least one said foam block cluster reflecting having been fabricated separate from fabrication of said main body, each said foam block cluster comprising a plurality of foam blocks, each said foam block, in a given said foam block cluster, having a top, a bottom, a left side, and a right side, said building panel, when installed in an upright orientation, having a length and a height, and a thickness defined between said inner layer and said outer layer, a given said foam block, in a respective said foam block cluster, having a length extending along the height of said building panel, a width extending along the length of said building panel, and a thickness extending along the thickness of said building panel, a given said foam block cluster further comprising a mechanical keeper. ### Claim 10 (depends on 9) The fiber-reinforced polymeric structural building panel as in claim 9, said foam blocks in said foam block cluster being secured to each other independent of any securement to each other by virtue of being disposed between said inner layer and said outer layer in said building panel. ### Claim 11 (depends on 10) The fiber-reinforced polymeric structural building panel as in claim 10, said studs being affixed to said second outermost surface of said inner fiber-reinforced polymeric layer. ### Claim 12 (depends on 9) The fiber-reinforced polymeric structural building panel as in claim 9, said foam blocks, in a given block cluster, reflecting having been secured to each other by at least one of (i) adhesive, or (ii) one or more mechanical keepers, or (iii) a combination of adhesive and one or more mechanical keepers, prior to said foam block cluster having been interposed between said inner layer and said outer layer in said building panel. ### Claim 13 (depends on 9) The fiber-reinforced polymeric structural building panel as in claim 9, a fibrous wrapping layer extending over the left and right sides, and at least one of the top and the bottom of each said foam block, and extending along full lengths of respective next adjacent ones of said foam blocks, and extending from locations at least proximate said inner layer to locations proximate said outer layer, said fibrous wrapping layer on next adjacent ones of said foam blocks being spaced from each other by a flow medium layer. ### Claim 14 (depends on 13) The fiber-reinforced polymeric structural building panel as in claim 13, a resin flow medium (192) being disposed between respective opposing pairs of next adjacent ones of said foam blocks, and wherein said foam blocks are held to each other, in the block cluster, by one or more mechanical keepers. ### Claim 15 (depends on 14) The fiber-reinforced polymeric structural building panel as in claim 14, a respective said resin flow medium (192) being spaced from the respective said opposing pairs of foam blocks. ### Claim 16 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said building panel having a vertical, top-to-bottom crush resistance capacity of at least 4000 pounds per linear foot length of said building panel, using a safety factor of 3. ### Claim 17 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1 wherein said building panel, under a top-to-bottom load distributed between said outer layer and said second end walls of said studs, remote from said main body, deflects toward said outer layer. ### Claim 18 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1 wherein said building panel has a vertical crush resistance capacity, to catastrophic panel failure, of at least 20,000 pounds per linear foot length of said building panel. ### Claim 19 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1 wherein at least 50 percent by weight, of at least one of said first, second, and third sets of fibers in said main body, collectively, extends in a direction within 15 degrees of the top-to-bottom height of said building panel. ### Claim 20 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1 wherein at least 50 percent by weight of each of said first, second, and third sets of fibers in said main body extends in a direction which is substantially aligned with the top-to-bottom height of said building panel. ### Claim 21 (depends on 1) An upright outer wall in a building comprising one or more fiber-reinforced polymeric structural building panels as in claim 1. ### Claim 22 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said building panel further comprising a plurality of foam block clusters disposed between said inner layer and said outer layer, at least one said foam block cluster reflecting having been fabricated separate from fabrication of said main body, each said foam block cluster comprising a plurality of foam blocks, each said foam block, in a given said foam block cluster, having a top, a bottom, a left side, and a right side, said building panel, when installed in an upright orientation, having a length and a height, and a thickness defined between said inner layer and said outer layer, a given said foam block, in a respective said foam block cluster, having a length extending along the height of said building panel, a width extending along the length of said building panel, and a thickness extending along the thickness of said building panel, a given said foam block cluster further comprising a mechanical keeper. ### Claim 23 (depends on 22) The fiber-reinforced polymeric structural building panel as in claim 22, said foam blocks in said foam block cluster being secured to each other independent of any securement to each other by virtue of being disposed between said inner layer and said outer layer in said building panel. ### Claim 24 (depends on 22) The fiber-reinforced polymeric structural building panel as in claim 22, said foam blocks, in a given block cluster, reflecting having been secured to each other by at least one of (i) adhesive, or (ii) one or more mechanical keepers, or (iii) a combination of adhesive and one or more mechanical keepers, prior to said foam block cluster having been interposed between said inner layer and said outer layer in said building panel. ### Claim 25 (depends on 22) The fiber-reinforced polymeric structural building panel as in claim 22, a fibrous wrapping layer extending over the left and right sides, and at least one of the top and the bottom of each said foam block, and extending along full lengths of respective next adjacent ones of said foam blocks, and extending from locations at least proximate said inner layer to locations proximate said outer layer, said fibrous wrapping layer on next adjacent ones of said foam blocks being spaced from each other by a flow medium layer. ### Claim 26 (depends on 22) The fiber-reinforced polymeric structural building panel as in claim 22, a given said foam block cluster comprising a collection of foam blocks, comprising at least first, second, and third foam blocks, each said foam block having an elongate length, a width, and a thickness, each said foam block also having a top side, a bottom side, a left side, and a right side, each of said top side, said bottom side, said left side, and said right side extending along the entire length of the respective said foam block, each said foam block also having top, bottom, left, and right surfaces corresponding, respectively, to the top side, the bottom side, the left side, and the right side, a respective said foam block having a density of about 1 pound per cubic foot to about 8 pounds per cubic foot, said foam blocks in the given foam block cluster being arranged in sequential side by side relationship with each other such that next adjacent sides of respective ones of said foam blocks are facing each other, whereby said first and second foam blocks comprise a first pair of next adjacent foam blocks in side by side relationship with each other, said second and third foam blocks comprise a second pair of next adjacent foam blocks in side by side relationship with each other, and optional subsequent foam blocks comprise subsequent pairs of next adjacent foam blocks in side by side relationship with each other, starting at said third foam block on a said side of said third foam block opposite said second foam block, whereby surfaces of the respective sides of next adjacent ones of said foam blocks face each other, said foam blocks being so arranged, in side by side relationship to each other that each said foam block defines at least a portion of a top of the respective said foam block cluster and at least a portion of a bottom of the respective said foam block cluster, a resin flow medium being disposed between the outer, facing, surfaces of the respective sides of each pair of next adjacent ones of said foam blocks. ### Claim 27 (depends on 26) The fiber-reinforced polymeric structural building panel as in claim 26, said foam blocks being wrapped with fibrous wrapping layers, a resin flow medium (192) being disposed between the outer surfaces of ones of said wrapping layers at the respective sides of each pair of next adjacent ones of said foam blocks, said fibrous wrapping layer on next adjacent ones of said foam blocks being spaced from each other by said resin flow medium (192). ### Claim 28 (depends on 26) The fiber-reinforced polymeric structural building panel as in claim 26, each foam block being wrapped in a fibrous wrapping layer, wrapped about, and facing, both the left side and the right side of the respective foam block, such that each foam block is a wrapped foam block, wrapped in an individual wrapping layer, separate and distinct from any wrapping layer wrapping any other foam block. ### Claim 29 (depends on 28) The fiber-reinforced polymeric structural building panel as in claim 28 wherein a given said wrapping layer is adhered to the sides of the respective said foam block. ### Claim 30 (depends on 26) The fiber-reinforced polymeric structural building panel as in claim 26, a mechanical keeper securing said foam blocks, in said block cluster, to each other, by a said mechanical keeper extending through a plurality of foam blocks, or extending about a plurality of foam blocks. ### Claim 31 (depends on 30) The fiber-reinforced polymeric structural building panel as in claim 30, said mechanical keeper being selected from the group consisting of a thread extending, under substantial tension, in generally a straight line through each said foam block in said block cluster from said first block, through each sequential foam block, to an opposing end block on an opposing end of said block cluster, one or more securing layers extending over the top, about the sides, and across the bottom, of said block cluster, in surface to surface relationship with any wrapping layers, collectively defining an outer surface of said block cluster at the top, the bottom, and the opposing sides of said block cluster, and securing said foam blocks to each other in such side by side relationship, and one or more plastic or metal straps extending over the top, about the sides, and across the bottom, of said block cluster, in surface to surface relationship with any such wrapping layers, said one or more straps securing said foam blocks to each other in such side by side relationship. ### Claim 32 The fiber-reinforced polymeric structural building panel as in 1, said building panel further comprising a plurality of foam block clusters disposed between said inner layer and said outer layer, at least one said foam block cluster reflecting having been fabricated separate from fabrication of said main body, each said foam block cluster comprising a plurality of foam blocks, each said foam block, in a given said foam block cluster, having a top, a bottom, a left side, and a right side, said building panel, when installed in an upright orientation, having a length and a height, and a thickness defined between said inner layer and said outer layer, a given said foam block, in a respective said foam block cluster, having a length extending along the height of said building panel, a width extending along the length of said building panel, and a thickness extending along the thickness of said building panel, a resin flow medium being disposed between respective opposing pairs of next adjacent ones of said foam blocks, forming intercostal precursors, at least one respective said resin flow medium and said facing next adjacent foam blocks in each said intercostal precursor reflecting having been wetted with resin before the respective foam blocks and the respective said resin flow medium are brought into engaging relationship with each other in the process of fabricating said block cluster, said block cluster being devoid of any mechanical keeper. ### Claim 33 (depends on 32) The fiber-reinforced polymeric structural building panel as in claim 32, a respective said resin flow medium (192) being spaced from the respective said opposing pairs of foam blocks. ### Claim 34 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1, said building panel further comprising a plurality of foam block clusters disposed between said inner layer and said outer layer, at least one said foam block cluster reflecting having been fabricated separate from fabrication of said main body, each said foam block cluster comprising a plurality of foam blocks, each said foam block, in a given said foam block cluster, having a top, a bottom, a left side, and a right side, said building panel, when installed in an upright orientation, having a length and a height, and a thickness defined between said inner layer and said outer layer, a given said foam block, in a respective said foam block cluster, having a length extending along the height of said building panel, a width extending along the length of said building panel, and a thickness extending along the thickness of said building panel, wherein each foam block is wrapped with a fibrous wrapping layer, and at least one portion of said fibrous wrapping layer, proximate the surface of said foam block which will face a next adjacent foam block in fabrication of said block cluster, reflecting having been wetted with resin prior to assembly of said foam block cluster, said foam block cluster being devoid of any mechanical keeper and devoid of any resin flow medium. ### Claim 35 (depends on 1) The fiber-reinforced polymeric structural building panel as in claim 1 wherein a cross-section of a given said stud comprises a closed profile such as a polygon. ### Claim 36 A fiber-reinforced polymeric structural building panel having a length, a top and a bottom, and comprising: (a) as a first component of said building panel, a main body, fabricated in a first fabrication process and comprising (i) an outer fiber-reinforced polymeric layer, said outer fiber-reinforced polymeric layer comprising a first set of fibers in a first reaction-cured resin composition, said outer fiber-reinforced polymeric layer defining a first outermost surface of said main body; (ii) an inner fiber-reinforced polymeric layer, said inner fiber-reinforced polymeric layer comprising a second set of fibers in a second reaction-cured resin composition, said inner fiber-reinforced polymeric layer defining a second outermost surface of said main body, opposite the outermost surface; and (b) as a second component of said building panel, a plurality of load-bearing studs, spaced along the length of said main body and extending, from said inner fiber-reinforced polymeric layer, away from the second outermost surface, including away from said main body, said studs extending along the height of said building panel between the top and the bottom of said building panel, at least one of said studs being mounted to the second outermost surface of said main body, a given said stud comprising first and second end walls (126), and first and second legs (128), said end walls and said legs collectively defining a stud cross-section having a plurality of corners (88), wherein thickness of at least one said end wall or leg is relatively thicker adjacent a said corner (88), and relatively thinner at a mid-portion (45) of the respective end wall or leg between respective said stud corners. ### Claim 37 (depends on 36) The fiber-reinforced polymeric structural building panel as in claim 36, wherein said first end wall of a respective said stud is disposed toward said inner fiber-reinforced polymeric layer of said main body, and wherein first and second mechanical fasteners extend through said first end wall into said main body, and axial extensions of said first and second mechanical fasteners extend through opposing ends of the respective said stud. ### Claim 38 (depends on 37) The fiber-reinforced polymeric structural building panel as in claim 37, said second end wall being disposed opposite said first end wall, further comprising an access port in said second end wall, spaced from opposing ends of said stud, a third mechanical fastener being disposed inwardly of said access port, toward said first end wall, with a shank of said third mechanical fastener extending through said first end wall and into said main body, and a head of said third mechanical fastener being between said access port and said first end wall. ### Claim 39 (depends on 37) The fiber-reinforced polymeric building panel as in claim 37, a respective said stud being mounted to the inner surface of said main body, axial extensions of said first and second mechanical fasteners extending through opposing open ends of the respective said stud. ### Claim 40 (depends on 36) The fiber-reinforced polymeric building panel as in claim 36, a respective said stud being mounted to the inner surface of said main body by at least first and second mechanical fasteners proximate opposing ends of the respective said stud. ### Claim 41 (depends on 36) The fiber-reinforced polymeric structural building panel as in claim 36 wherein a cross-section of a given said stud comprises a closed profile such as a polygon.