Abstract: A jig assembly and corresponding method for swage assembling a workpiece having first and second side components and a central component. A first pair of bi-directional traversable platforms are supported in inward and outward reciprocating fashion relative to a central support fixture, and upon which are mounted supporting structures for mounting the workpiece. A pair of engaging jigs are mounted to inner opposing sides of the pair of traversable platforms. Each of the engaging jigs includes a plurality of fingers which are adapted to seat within aperture locations associated with the workpiece side components and to facilitate loading and positioning the workpiece prior to swaging. A pair of opposing and synchronized inward compressing dies simultaneously swage locations associated with opposite edges of the central component which project through apertures defined in the side components.

Abstract: A composite sandwich structure comprises a core sandwiched between composite laminate facesheets. The core includes a plurality of core sections spliced together at joints that incorporate integral features for arresting the propagation of irregularities in the facesheets.

Abstract: A load bearing structure including a first fixed net layer, a second fixed net layer and a non-linear structure in between. The first fixed net layer may include a first layer of flexible fabric and a fixing material that fixes the shape of the first layer of flexible fabric. The second fixed net layer may include a second layer of flexible fabric and a fixing material that fixes the shape of the second layer of flexible fabric. The non-linear reinforcing structure may be in communication with the first and second fixed net layers and may be configured to share with the first and second fixed net layers a load applied to the load bearing structure.

Abstract: An insulated fire door includes a door shell having spaced first and second exterior panels and a gypsum panel between the first and second exterior panels. The insulated fire door includes a plurality of spacers bonded across an interior side of each of the first and second exterior panels. The spacers maintain the gypsum panel in a spaced position from the interior sides of the first and second exterior panels as the door bows during a fire on one side of the door, until the gypsum disintegrates. Each of the spacers may have a flat portion contacting the gypsum panel, a leg extending from the flat portion spacing the gypsum from the interior sides of the first and second exterior panels, and a flange extending from the leg bonding the spacer to the first and second exterior panels.

Abstract: Roofing elements of the shingle, tile or panel types are applied for mounting onto a roof of a building, as well as a roof covering comprised of such elements. The roofing elements include at least one heat-sensitive weatherproof, protective layer for protecting the building from weather-related intrusions. The roofing elements have one or more continuous venting channels disposed below the heat-sensitive weatherproof, protective layers to form one or more airflow channels beneath the protective layers, with the airflow channels disposed between a lower roof deck of a building and upper heat-sensitive, weatherproof, protective layers of the roofing elements in the installed condition on a roof.

Abstract: A ballistic resistant construction panel having a series of elongated channels formed by coupling a corrugated member to adjacent planar wall members. These channels are filled with sand to provide the ballistic resistance of the panel. These panels are constructed of a fiber-reinforced plastic material and may be assembled together to form a temporary shelter.

Abstract: Edge stiffened corrugated polymeric sheet material can be utilized as storm panels for mounting about a perimeter surface of an opening so as to protect the opening from wind and impact loads. The panels can include a corrugated sheet material having a corrugated contiguous band horizontally extending at about an end of the top and the bottom, wherein the corrugated contiguous band is complementary and contiguous to the plurality of corrugations of the corrugated sheet panel. The complementary and contiguous corrugated band can be configured to sandwich the sheet material. The panel may also include, individually or in combination, a contiguous band sandwiching the polymeric sheet material at a terminal end of each side and extending vertically from the top to the bottom. The panels provide wind and impact load protection for the opening.

Abstract: A top board structure capable of easily and simply assembling and welding a reinforcing frame to a top board body, providing a sufficient strength with a reduced weight, and reducing abnormal noise that might occur when an impact is applied.

Abstract: A reinforced panel, made of a composite material, includes a single base layer. A first plurality of mutually parallel ridges is affixed to the surface of the base layer. A second plurality of mutually parallel ridges is also affixed to the surface of the base layer, but oriented transverse to the first plurality. Structurally, the ridges and the base layer are co-cured to create an integral, continuous structure that provides stiffness and rigidity to the panel.

Abstract: Edge stiffened corrugated polymeric sheet material can be utilized as storm panels for mounting about a perimeter surface of an opening so as to protect the opening from wind and impact loads. The panels can include a corrugated sheet material having a corrugated contiguous band horizontally extending at about an end of the top and the bottom, wherein the corrugated contiguous band is complementary and contiguous to the plurality of corrugations of the corrugated sheet panel. The complementary and contiguous corrugated band can be configured to sandwich the sheet material. The panel may also include, individually or in combination, a contiguous band sandwiching the polymeric sheet material at a terminal end of each side and extending vertically from the top to the bottom. The panels provide wind and impact load protection for the opening.

Abstract: A stiff panel (1) comprises a skin (2) and at least one stiffener (3) of composite material on said skin. Free surface (311) of web (31) of stiffener (3) on the stiff panel according to the invention comprises a deformable core (33) and a covering (34) which covers core (33) and joins said core with structural part (35) of web (31). The width of core (33) is equal to or greater than the width of structural part (35) of web (31) of stiffener (3), depending on the shock energy against which panel (1) must be protected.

Abstract: Methods of fabricating wall panels by generally continuously pultruding a wall panel profile comprising inner and outer layers, and spaced reinforcing webs and/or foam extending between the inner and outer layers, optionally studs extending inwardly from the inner layer, away from the outer layer. The so-continuously pultruded wall panel optionally has male and a female edges. The wall panel is periodically cut for wall panel height, thereby creating an ongoing stream of cut wall panels. The panels are advanced through a corner index station, and indexed at right angles while maintaining orientation of the panels. The wall panels leave the indexing station edge-to-edge. Resin is applied to facing edges of adjacent wall panels. Adjacent wall panels are joined to each other at the facing edges, to make a generally continuous wall panel. The so-joined wall panel is cut to desired lengths.

Abstract: 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, wherein the intermediate layers are arranged in a nested fashion.

Abstract: 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 the first and second face sheets. In one aspect of this embodiment, the composite panel further includes a stiffener disposed between the first and second face sheets adjacent to the core portion. The stiffener can have a first attachment portion attached to the first face sheet, a second attachment portion attached to the second face sheet, and an intermediate portion extending between the first and second attachment portions. In another aspect of this embodiment, one or both of the first and second attachment portions is configured to engage a fastener, such as a blind fastener, for attaching a part to the composite panel.

Abstract: 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 secured to a reinforcement member having channels formed therein to extend in at least one direction relative to the sheet material. When more than one sheet of material is used, the sheets of material are disposed on opposite sides of the reinforcement member. The panels are flexible for easy insertion into the openings between the stringers and cross-members of the support system and are readily compressed into a thinner profile for shipping purposes.

Abstract: 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 connecting sandwich panels by inserting an insert member having a profiled side so as to interlock with an appropriately profiled member on the unit to which it is to be connected.

Abstract: 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 first floor member with the non-through hole aligned with the through hole. A radially-expandable fastener (such as a rivet) extends through the through hole and into the non-through hole. A method for installing a flooring system includes obtaining a first floor member having a through hole, obtaining a second floor member, and positioning the second floor member above the first floor member. A non-through hole is created extending from its bottom side toward its top side. A radially-expandable fastener (such as a rivet) is installed in the first and second floor members. The radially-expandable fastener extends through the through hole and into the non-through hole.

Abstract: 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 an alternating wide and narrow configuration. Fluid is transferred from a pipe to the core sheet edges and travels along the core sheets and through the fabric into the subsurface environment. In another embodiment a transfer sheet is provided adjacent at least some of the core sheet edges. Fluid is transferred from a pipe to the transfer sheet for subsequent distribution to the core sheet edges for travel along the core sheets and through the fabric into the subsurface environment.

Abstract: The present invention relates to a semi sandwich panel in which a cores material is partially formed in a portion which needs a strength and intensity between both surface finishing materials formed of a textile for thereby implementing a certain strength and intensity of a sandwich panel, so that it is possible to obtain a certain strength and intensity as a structure member which is a feature of a sandwich panel, and the number of fabrication processes is decreased, and the fabrication cost is decreased. A core material is inserted into a portion which needs a certain strength and intensity between both surface finishing materials formed of a textile.

Abstract: 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 the plate element and a cross-section having a profile including a plurality of adjoining integral trapezium shape elements each defining a top and a bottom flat portion.

Abstract: An access floor panel is disclosed having improved load-bearing strength. One access floor panel in accordance with the present invention includes an upper plate having a surface to support loads and a lower plate being substantially parallel with the upper plate. A core is disposed between the upper and lower plates and a reinforcing member disposed in the core.

Abstract: An aluminum fire-resistant honeycomb-shaped plate and its manufacturing method includes an aluminum intermediate honeycomb-shaped layer, a layer of gauze adhered respectively on an upper and a lower surface of the intermediate honeycomb-shaped layer, an outer solid aluminum plate adhered respectively on an outer surface of each layer of gauze. The gauze endures high temperature and percolates air. Then the outer surface of each outer solid aluminum plate is anodized with a layer of a chemical to prevent it from getting rusted and then sprayed with a layer of silicon glue to increase hardness of the outer surfaces and beautiful appearance.

Abstract: A prefabricated structural building panel is disclosed. The panel includes a first sheet having inner and outer planar surfaces. A plurality of structural ribs are disposed on the inner surface of the first sheet and are interconnected to form a geometric design having a plurality of chambers. The first sheet and the structural ribs are integrally formed as a single unit from a fiber and fly ash composite material. In preferred form, the cement composite includes a mixture of a commercial grade fly ash having a high lime content and a dry flue-gas desulfurized fly ash.

Abstract: A connection element formed of a strip of a corrugated sheet and including a plurality of bearing surfaces (3) spaced from each other and located in a common plane; at least one attachment opening (6, 7) formed in at least one bearing surface (3); a plurality of free-lying top surfaces (4) extending parallel to the bearing surfaces (3); free-lying legs (5) extending between respective bearing surfaces (3) and the top surfaces (4); and at least one through-opening (10, 11, 12, 13, 14, 15, 16, 17) formed in at least one of free-lying top surfaces and legs.

Abstract: 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 one of the covering skins is attached to each of the panel sections so that a passage is formed between the covering skin and the base surface of the panel section to allow the cables to travel through each panel section and between interconnected panel sections.

Abstract: 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 direction perpendicular to the one direction. Each skeleton part has one top portion, and two bottom portions extending from the top portion, wherein one bottom portion in one skeleton part is connected to one bottom portion in the adjacent skeleton part. Also, each skeleton part includes top recesses formed at the top portion to be spaced apart from each other at a predetermined interval, and bottom recesses formed at the bottom portions to be spaced apart from each other at a predetermined interval. The skeleton members form upper and lower skeleton members to be vertically stacked together. The skeleton parts of the upper and lower skeleton members extend perpendicularly to each other.