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| Number | Title | Issue Date |
| 7416775 | Wall element A wall element, comprising two outer layers extending at least substantially parallel to each other, between which two or more intermediate layers are provided, characterized in that said intermediate layers extends between the outer layers in a zigzag fashion, wher... | 08/26/2008 |
| 7197852 | Internally stiffened composite panels and methods for their manufacture Internally stiffened composite panels and associated manufacturing methods. In one embodiment, an internally stiffened composite panel includes a first face sheet, a second face sheet offset from the first face sheet, and at least one core portion sandwiched between... | 04/03/2007 |
| 7188505 | Method for making bent studs for snowmobile tracks A method and apparatus for producing bent snowmobile studs for use in an assembly are disclosed. The assembly comprises a bent stud having a head and proximal and distal shank portions and a fastener which is adapted to connect with respect to the distal shank porti... | 03/13/2007 |
| 7137225 | Foundation wall system A wall system uses panels constituted by a sandwich of two polyolefin sheets and an interior layer of glass fiberboard. Such structural panels are used with a system of steel studs and channels to form walls of high strength and light weight. These walls are particu... | 11/21/2006 |
| 7051489 | Ceiling system with replacement panels A panel for use in a drop ceiling system, or with appropriate modification, a wall, wherein the ceiling system includes stringers and cross-members defining areas therebetween for support of the panels wherein the panels include at least one planar sheet of material... | 05/30/2006 |
| 7010897 | Lightweight construction element in the form of a hollow body contoured honeycomb structure A construction element 1 consists of multiple individual layers 2, 3, 4 whereas the medium layer 3 is in turn composed of a multitude of additional individual layers 23, 24, 25. The individual layers 2, 4, 23, 24, 25 are configured... | 03/14/2006 |
| 6789367 | Sandwich panel, insert therefor, structure comprising sandwich panels and method of joining such panels A sandwich panel including a core material sandwiched between plate members, and an insert member locally replacing the core and having a profile so as to intermesh with an appropriately profiled member on the unit to which it to be connected as well as a method of ... | 09/14/2004 |
| 6718720 | Flooring system and method A flooring system includes a first floor member having a through hole and includes a second floor member having a non-through hole which extends from the bottom side toward the top side of the second floor member. The second floor member is positioned above the firs... | 04/13/2004 |
| 6659687 | Subterranean fluid distribution and drainage system Disclosed is a system for filtering and distributing fluids to the subterranean soil environment. The system includes spaced core sheets that are typically partially enveloped with fluid permeable fabric. In one embodiment the core sheets are arranged in ... | 12/09/2003 |
| 6574938 | Constructional sandwich panel for high strength wall and covering assemblies, and method for making said panel A sandwich panel for high strength wall and covering assemblies, comprising at least a plate element and at least a fretted element, glued to the plate element, the fretted element comprising a sheet metal plate having a size substantially like that of th... | 06/10/2003 |
| 6209273 | Panel wall construction A partition wall system providing for lay-in of cables, includes a plurality of interconnected panel sections. Each panel section has a base surface and a plurality of protrusions extending from the base surface and a plurality of covering skins. At least... | 04/03/2001 |
| 6176065 | Stacked structure A stacked structure especially useful for storing water in the underground is formed of a plurality of skeleton members. Each skeleton member includes a plurality of skeleton parts extending in one direction and situated side by side in a lateral directio... | 01/23/2001 |
| 6067764 | Insulation assembly including a spacing element The invention is an assembly for providing insulation. An assembly which provides ventilation in accordance with the invention includes a planar element; insulation positioned proximate to the planar element; and at least one space element, each space ele... | 05/30/2000 |
| 6047508 | Wall panel partition system A reconfigurable office partition includes a movable panel with a rigid frame, a core panel mounted therein, and at least one cover panel detachably mounted on the frame and enclosing an associated portion thereof. The frame has at least one vertical stil... | 04/11/2000 |
| 6003283 | Vented flexible honeycomb Flexible honeycomb panels are vented by providing vent openings at specific locations within the honeycomb core. The invention is applicable to flexible honeycomb panels which are made from bonded corrugated sheets wherein each of the corrugated sheets ha... | 12/21/1999 |
| 5713178 | Electromagnetic interference resistant enclosure panel and method of making the same! Electromagnetic interference across a structural panel is minimized in a construction wherein a metal skin (24) is bonded to a metal frame (22) by an adhesive (40) by providing a series of peaks (36) and valleys (38) at the area of the intended joint betw... | 02/03/1998 |
| 5609942 | Panel having cross-corrugated sandwich construction A cross-corrugated panel has a core between two faceplates, where the core omprises two groups of corrugated elements that are perpendicular to each other. The corrugated elements have peaks and troughs connected by diagonally-extending segments. In each g... | 03/11/1997 |
| 5543204 | Bi-directionally corrugated sandwich construction A bi-directionally corrugated sandwich construction for use in applications equiring high-strength, light-weight components is disclosed. The sandwich construction comprises first and second face sheets positioned essentially parallel to and spaced apart f... | 08/06/1996 |
| 5543205 | Composite article made from used or surplus corrugated boxes or sheets A composite article useful as a material of construction made of a plurality of individual pieces of corrugated cardboard cut from scrap corrugated boxes or sheets. The corrugated pieces lie in a shingle-like configuration, a bridge-like configuration, or... | 08/06/1996 |
| 5498458 | Spiral cores for stress skin structures and the like and the method of making the same A spiral core comprises successive convolutions of a rigidifying layer which are spaced with respect to each other and maintained in a spiral spaced relationship. Preferably, a spiral insulation layer, having convolutions intermediate the convolutions of ... | 03/12/1996 |
| 5429858 | Corrugated retainer and spacer for glass panels and method for applying same A corrugated paper retainer and adjustable spacer for adhesively applying a glass panel to a support surface, especially an automotive body panel defining a window opening, which includes a corrugated paper retainer assembly composed of a top ply having a... | 07/04/1995 |
| 5393588 | Sandwiched structural panel having a bi-directional core structure A structural panel assembly has a bi-directional core structure sandwiched between and secured to a pair of outer side wall members. The core structure is formed from first and second perpendicular series of elongated strip members having crenelated confi... | 02/28/1995 |
| 5380579 | Honeycomb panel with interlocking core strips The core of a honeycomb panel consists of a set of corrugated strips each of which alternate abut the immediately adjacent strips. Interlocking protrusions are formed in the abutting portions of the strips. The protrusions provide automatic registration o... | 01/10/1995 |
| 5204161 | Fabrication of panel structure The structure and process for making a metallic panel structure from a plurality of core panels each comprised of a pair of sheets of superplastic material welded together along a plurality of weld lines. The core panels are joined together, with the weld... | 04/20/1993 |
| 5162143 | Core design for use with precision composite reflectors A uniformly flexible core, and method for manufacturing the same, for use between the face plates of a sandwich structure. The core is made of a plurality of thin corrugated strips, the corrugations being defined by a plurality of peaks and valleys connec... | 11/10/1992 |
| 5007225 | Construction of large sandwich structures Composite metal panels comprise two parallel plates 1, 2 each laser-welded to an internally sandwiched corrugated stiffener plate 3. Typically, all the welds 6a, 6b are in the same sense; firstly, penetrating laser welds 6b are made along and through the ... | 04/16/1991 |
| 4791773 | Panel construction A pair of panel sheets form a sandwich with an undulated ribbon-like spacer in the interior thereof and marginal spacers about the periphery of the sheets. A vacuum within the space between the marginal spacers insulates and rigidifies the assembly.... | 12/20/1988 |
| 4791432 | Antenna and method for fabricating same An antenna (10) and method for fabricating the antenna (10) includes an inner panel (12) with a curved inner receiving surface (14) and an outer panel (16) in coextensive relationship to one another. A plurality of strips (20) having undulations (22) are ... | 12/13/1988 |
| 4673950 | Antenna and method for fabricating same An antenna (10) and method for fabricating the antenna (10) includes an inner panel (12) with a curved inner receiving surface (14) and an outer panel (16) in coextensive relationship to one another. A plurality of strips (20) having undulations (22) are ... | 06/16/1987 |
| 4643933 | Hollow core sandwich structures In a composite support structure such as a pallet wherein spaced apart opposed structural sheets are separated by a central core, the core including a plurality of spaced apart elongated channel-shaped members each presenting their longitudinally extendin... | 02/17/1987 |
| 4500583 | Honeycomb structure The honeycomb structure is formed by adhering corrugated sheet units of molded glass wool together.... | 02/19/1985 |
| 4428993 | Structural laminate with expanded wood core A structural sandwich laminate constituted by thin skins, such as aluminum or fiber-reinforced plastic sheets bonded to the faces of a core formed by an array of wood strips having a periodic wave formation. The wavy strips in the array are out of phase w... | 01/31/1984 |
| 4337287 | Corrugated toothed web strip with penetration stoppers for construction elements A web strip with penetration stoppers are placed transversely along one or both longitudinal edges. The stoppers are designed to abut the flange surface when the strip has been pressed into the desired depth to inhibit further penetration.... | 06/29/1982 |
| 4221094 | Reflective insulation assembly A highly flexible reflective insulation inner assembly is provided which spaces a pair of flexible reflective insulation sheets while also sealing a volume of space therebetween. To accomplish this a corrugated strip of material is mounted on its edge bet... | 09/09/1980 |
| 4188761 | Spacer-sealer strip for reflective insulation assemblies A highly flexible spacer-sealer for reflective insulation inner assemblies is provided which spaces a pair of flexible reflective insulation sheets or liners while also sealing a volume of space therebetween. To accomplish this a corrugated strip of mater... | 02/19/1980 |
| 3938289 | Construction elements and sheet metal web strips therefor In construction elements comprising two parallel plates of nailable material and one or more webs of elongated sinuous metal sheeting extending edgewise between the plates and having teeth at the edges driven into the plates, the metal strips used for the... | 02/17/1976 |
