Abstract: An enclosure can have an enclosure body, the enclosure body can include an enclosure frame, and a first enclosure flange. The enclosure can have a center post having a first end and an opposite second end, the first end can include a first center post flange having a hole extending therethrough. The enclosure can include a gasket having a gasket hole therethrough, and a threaded fastener to threadingly engage the hole. The threaded fastener can be configured to rotate in a first direction while threadingly engaged with the hole, and the threaded fastener can contact the first enclosure flange to increase a distance between the first enclosure flange and the first center post flange in order to receive the gasket.

Abstract: Method and apparatus for outdoor electrical cabinet adapted for installation in the field comprising: a rectangular base member comprising a plurality of pegs for positioning and retaining four rounded corner steel tube post members for supporting hardware for installing side panels and swinging hinged, lockable doors, and a top member resting on the side panels and secured in place with caps onto the tube post members.

Abstract: Disclosed is a modular housing for drivers used for LED lamps. The housing includes connectors for AC in from a power source, DC out to the lamps, and also has connectors allowing for control lines to be received from a control box. The housing includes an arrangement for creating two opposite stacks of drivers. The fronts of the drivers are cooled by circulating air through the space between the stacks, and heat is also dissipated through the side walls of the housing, which acts as a heat sink. The number and specifications of the drivers in the housing are configured such that every module is able to serve a number of LED lamps.

Abstract: The invention relates to a mounting plate arrangement with a switch cabinet frame and a mounting plate fastened thereto via at least one mounting plate holder, wherein the switch cabinet frame has a rectangular floor frame with four profile struts, which has on its outer side a fastening section offset relative to an outer sealing plane of the switch cabinet frame relative to the interior of the switch cabinet frame, wherein the mounting plate holder is formed in multiple parts, with a support bracket and with a base connected to the support bracket, wherein the support bracket is connected to the fastening section and to the mounting plate and the mounting plate stands on the base, and wherein the mounting plate holder with the base is placed on a profile side of one of the four profile struts extending between the sealing plane and the fastening section.

Abstract: An electronic equipment enclosure includes a frame structure and a customizable side air dam kit. The frame structure includes a front frame, a rear frame, front-to-back frame members connecting corners of the front and rear frames together, reinforced bracket structures located near ends of the cross members, and extruded horizontal mounting rails parallel to, but inward from, the front-to-back frame members. The ends of the horizontal mounting rails are connected to the reinforced bracket structures. Panels are installed in longitudinal slots in the front-to-back frame members and horizontal mounting rails, each of which is extruded. The customizable side air dam kit includes a framework of horizontal and vertical frame pieces, adapted to connect to the frame structure, and a customizable air dam panel supported by the framework. A plurality of the frame pieces are provided to an installer for use in constructing the framework to fit the specific frame structure.

Abstract: A method of making a cabinet carcass using a pair of connectable box carcass framework members for the fabrication of non-panel constructed furniture carcasses. It simplifies the construction of a furniture carcass and uses but a minimum of tools and skill to produce a dimensionally square, precisely sized, box that accepts an abundance of aesthetic and functional options. The assembly is based on a pair of mechanical fastener connectable vertical and horizontal members that have connectable zipper channels, linear rabbets for the retention of side panels, screw busses, and open channels with series of spaced orifices therein for the passage of mechanical connectors.

Abstract: A filler panel/horizontal manager for a rack includes two latching regions that mirror each other. The latching regions include a pair of guide posts configured to enter both round-shaped and square-shaped holes and guide the filler panel into a rack. The latching region further includes a pair of locator walls configured to enter square shaped holes along with the guide posts to guide the filler panel into a rack. Each latching region includes one or more latching members having surfaces for engaging a railing of a rack. At least one pair of latching members includes an angled stepped surface configured to engage railings of different thicknesses. One or more outwardly extending cable management elements may be associated with a front face of the filler panel/horizontal manager to facilitate wire/cable management functionalities.

Abstract: A frame for a trading desk is made up of two end frames arranged to extend vertically in use. Between those end frames there is a main support beam structure which may include a pair of main structural beams for example. The main support beam may be extended from a lower part of the end frames, close to the floor and provides the main structural rigidity of the desk. A computer trolley is provided which supports computers just above the main support beam and has a channel arranged to receive the main support beam.

Abstract: The present invention relates to console modules and modular console systems. In one aspect, a console module unit is provided comprising a frame, the frame comprising first and second spaced apart frame sections, each frame section comprising two spaced apart side supports and two spaced apart lateral supports, each lateral support disposed between and forming junctions with corresponding ends of the side supports, and a plurality of cross supports interconnecting the first and second frame sections, wherein at least one of the side, lateral, and cross supports is in the form of an extrusion, the extrusion defining at least one re-entrant channel extending in a direction of its longitudinal axis, the at least one re-entrant channel for receiving at least a portion of a coupler. In another aspect, a modular console system comprising at least two console modules is provided.

Abstract: An embodiment of a computer rack is capable of supporting up to 48U of electronic devices, including a central rack space for up to 42U and six 1U side bays. The side bays are fully accessible from the rear of the rack, so that all of the components may be serviced without pulling the rack out from a row and removing side panels. Optional strip PDUs may be mounted at the rear. The rack complies with standard dimensions for a 19-inch rack, including standard vertical and horizontal rail dimensions, and fits on a standard 600 mm×1200 mm floor tile.

Abstract: A bracket assembly for mounting a rack to a floor includes a bracket. The bracket includes a rack-mounting surface having at least one pair of rack-mounting openings for mounting the bracket to the rack, and a floor-mounting surface extending from the rack-mounting surface. The floor-mounting surface has at least three pairs of floor-mounting openings for mounting the bracket to the floor.

Abstract: A cabinet framework includes a front door frame, a rear door frame, and depth components. The front door frame consists of four first section bars connected end to end. The first section bars are connected by two-way components which includes two sockets with insertion directions perpendicular to each other. The first section bar is a rectangular hollow beam formed by folding a rectangular sheet and is connected to the two-way component by insertion at the socket. The rectangular sheet includes a first edge and a second edge connected together. The first edge wraps around the second edge to form a flange which has multiple rectangular through holes. The rectangular through holes are step holes. The diameter of the holes on the first edge is greater than that on the second edge.

Abstract: An aseismic (earthquake-secure) server rack is fastened to an earthquake frame in order to increase rigidity and is fixed to the floor at least via the earthquake frame.

Abstract: The present invention is directed to an adjustable transparent vertical wall in an aisle containment system. The adjustable transparent vertical wall includes a fixed lower panel and a movable upper panel. The movable upper panel is adjustable to the required ceiling height.

Abstract: A structure for storing and cooling electronics comprising a frame support, an internal equipment chamber mounted to the frame support, wherein the internal equipment chamber comprises a tubelike structure defining openings in a front and a back of the internal equipment chamber, and wherein the internal equipment chamber is configured to support electronic equipment such that the weight of the electronic equipment is born by the frame support and not the internal equipment chamber, and a plurality of removable panels disposed around the frame such that a gap is formed between the exterior of the internal equipment chamber and the plurality of removable panels, wherein air may circulate in the gap between the internal equipment chamber and the plurality of removable panels to help regulate a temperature within the internal equipment chamber.

Abstract: Adjustable blanking panels for use with equipment racks and enclosures to cover or fill in vacant sections of the rack or enclosure, to prevent the circular flow and reentry of high temperature air into the intake of electrical and computer equipment. The adjustable blanking panels include a generally rectangular base frame that defines opposing left and right side channels, and a generally rectangular shield that is adapted to be inserted into the side channels and slide relative to the base frame, to adjust the height of the panel to the size of the vacant section. The adjustable blanking panel may further include a lip that may be used to raise or lower the shield.

Abstract: A telecommunications enclosure includes a frame having a plurality of frame members defining at least one opening. At least one frame member that defines the opening includes a gasket channel positioned on an inner surface of said frame member. The enclosure includes a gasket disposed in the gasket channel and at least one panel coupled to the frame with a retainer. The panel covers the opening in the inner of the enclosure and overlaps an inner surface of the gasket.

Abstract: An adjustable filler panel assembly, configured for use in an electronic equipment enclosure, includes a first panel and a second panel, each adapted to block airflow. The first panel has pairs of horizontally aligned adjustment openings formed therein, and the second panel has a pair of horizontally aligned attachment members disposed near one end. The first and second panels are connected to one another in an overlapping arrangement to form an air-blocking panel assembly with the attachment members of the second panel being aligned with and connected to a pair of adjustment openings of the first panel. In addition, the first panel and the second panel are telescopically adjustable relative to one another such that a length of the air-blocking panel assembly is selectively adjustable to fill at least a portion of an opening in the electronic equipment enclosure, thereby blocking air from flowing through the opening.

Abstract: An exemplary switching cabinet includes a rack. The rack includes four vertical braces. Each of the vertical braces includes a main body having an open inner lateral side. The main body includes a main plate and two extending plates extending from two opposite lateral sides of the main plate in a same direction. A first flange and a second flange extend oppositely and outwardly from free sides of the extending plates.

Abstract: A control box arrangement including at least one control box, the inside of which is sub-divided, or can be sub-divided, into a plurality of compartments which are arranged one above the other and can be closed in a sealing manner by associated doors with a peripheral sealing arrangement acting on the inside of the doors. The doors are connected, by one of the vertical sides thereof, to a frame of the control box in question by hinges in an articulated manner, and can be closed by a closing mechanism on the opposite vertical side. A first hinge section is fixed to a vertical section of the frame by a fixing section, and the door is mounted on an articulated section of the first hinge section in an articulated manner by a second hinge section applied thereto.

Abstract: A control box arrangement including at least one control box which is sub-divided, or can be sub-divided, by vertical wall sections with a horizontal sub-division, into a plurality of cuboid compartments surrounded on all sides. A variable structural design of compartments, particularly functional compartments, for example for low voltage systems, is obtained by providing wall sections including lateral wall sections adapted to the same or different compartment heights, adapted rear wall sections embodied as mounting plates, and horizontal partition bottoms, in order to produce a plurality of horizontal compartments, in the form of pigeonholes, arranged one above the other.

Abstract: A fifteen (15) folding section material having a column shaped framework with mounting holes. The framework further comprises intersecting surfaces which form a closed symmetric figure with opening holes. Two pairs of symmetrical planks of the framework are fitted with mounting holes distributed evenly in a longitudinal direction. The fifteenth and final fold forms three (3) layers. The fifteen (15) folding section framework allows a cabinet fitted with doors opening at four sides.

Abstract: IMPROVEMENT TO THE METALLIC STRUCTURE FOR MANUFACTURING ELECTRICAL PANELS/CABINETS, enclosing a structure of metallic cross sections (5), with the device for supporting the parts making up the external walls from folded sheets, as well as constituting the device for supporting and mounting the doors with its respective hinges and other accessories, such as: the upper (6) and lower enclosure with the base (7) and other components, being that, still, same structure, although, on the inside, also configures the necessary mounts for distributing and assembling the different electrical and electronic components and devices; in the first construction version, the said structure (5) presented semi-assembled, where four of its uprights or four of its cross sections (P1) are completely free while all the other cross sections are rigidly integrated into two equal rectangular frames (8) which form the two opposite sides of the said structure (5) and therefore at the corner point of the junction of each rectangular frame

Abstract: A modular columbarium has side panels joined to front uprights by bolts on bent front tabs on the front panels and, respectively, the panels are joined to the rear uprights by L-shaped tabs that can be housed in slot in the rear uprights. The bottoms of the front uprights are extended by height-adjustable legs to adapt to any unevenness of the ground, a lower base panel being fastened between the legs. The front uprights are connected to each other by font crossbars, the crossbars comprising a longitudinal guide, whereon blocking elements are positioned that can move laterally along them. The longitudinal guide has slots for the projecting tabs of the front covers to pass through. The guide has central openings wherethrough the blocking elements can be actuated to block or release the front covers.

Abstract: A mounting assembly is provided for mounting equipment on a frame including a front pair of vertical rails and a back pair of vertical rails. The mounting assembly includes a bracket for attaching a front side of the equipment to one of the front rails and a hinge for attaching a back side of the equipment to one of the back rails.

Abstract: A modular color display system with interchangeable components and modules which permit assembling the display system in a plurality of configurations using the same components. Such configuration reduces the cost of assembling and manufacturing by minimizing the number non-interchangeable parts in the display system. Lifting points in an upper portion of the display assembly permit assembling an upper portion joining a plurality of frames and lifting them using a forklift. Another aspect of the invention provides a paint selection kiosk as part to the display assembly.

Abstract: Owing to the two-part nature of the inner body, the upper body frame can be withdrawn in the event of damage without the operation of the distribution cabinet being interrupted.

Abstract: Embodiments of a power distribution apparatus that is adaptable to be readily mounted within a variety of differing types of electronic equipment racks are herein described. One such embodiment provides power distribution apparatus having an upper mounting adapter. The upper mounting adapter may be attachable to a housing of the power distribution apparatus or may be integrally formed therein. Another embodiment provides power distribution apparatus having a lower mounting adapter. The lower mounting adapter may be attachable to the housing of the power distribution apparatus or may be integrally formed in the housing. A further embodiment provides power distribution apparatus having at least one mounting peg mounting in mating holes formed in a rack. The mounting pegs may be attachable to a housing of the power distribution apparatus or may be integrally formed therein.

Abstract: A hook-on type rail includes a main body, a front hooking member adjustably connected to a rear end of the main body, and a second hooking member adjustably connected to a front end of the main body. The first hooking member has two sideward projected hooks for firmly located in two insertion holes on a rear post of a sectional rack. The second hooking member includes two sideward projected lugs for fitly inserting into two insertion holes on a front post of the sectional rack to prevent the rail from moving up or down, and two vertically movable hooks bearing against one side of the two lugs for extending into and hooking on the same insertion holes to firmly hold the rail to the front post. Therefore, the rail may be stably hooked on the posts of the sectional rack for a drawer or the like to safely slide thereon.

Abstract: A cabinet having a frame, a plurality of posts and a plurality of connector assemblies. The connector assemblies adapted to connect the posts to the frame. The connector assembly is provided with a gusset rigidly supported by the frame, and a clamp plate supported by the gusset and spaced a distance therefrom to form a channel between at least a portion of the gusset and the clamp plate. At least a portion of the post positioned within the channel and clamped between the gusset and the clamp plate.

Abstract: Comprehending a profile (104) that, from the outside, constitutes the means of support for the closings and accessories, while on the inside, the same structure configures the struts for the assembly of components and electric and electronic devices, in addition to which this profile (104) presents a cross section with a geometry defined by a central core in the tubular shape with a quadrangular section (105), where the vertex (106) is oriented to the inside of the cabinet (100), while the opposite vertex (107) is oriented to the outside of this cabinet (100), and these two vertexes are formed by single walls, which does not apply to the other two remaining vertexes (108) and (109), which are defined by the junction of the sheet that forms the first two vertexes (106-107) and from this point on, the double walls (110) are extended in a coplanar position in relation to the adjacent walls (106a-106b) of the vertex (106), forming opposite rims (111a 111b), whose ends are perpendicularly folded forming short ends

Abstract: The invention relates to a tray plug that includes a base portion; a plurality of towers extending upwardly away from the base portion; a secondary base portion contiguous with the underside of the base portion; and a means for securing the plug to a display structure, whereby the tray plug can be quickly secured and subsequently removed from a display such as a point-of-purchase display.

Abstract: Embodiments of a power distribution apparatus that is adaptable to be readily mounted within a variety of differing types of electronic equipment racks are herein described. One such embodiment provides power distribution apparatus having an upper mounting adapter. The upper mounting adapter may be attachable to a housing of the power distribution apparatus or may be integrally formed therein. Another embodiment provides power distribution apparatus having a lower mounting adapter. The lower mounting adapter may be attachable to the housing of the power distribution apparatus or may be integrally formed in the housing. A further embodiment provides power distribution apparatus having at least one mounting peg mounting in mating holes formed in a rack. The mounting pegs may be attachable to a housing of the power distribution apparatus or may be integrally formed therein.

Abstract: A cabinet for supporting electronic equipment. The cabinet has a rigid internal assembly structure and a cladding kit. The internal assembly defines a cavity into which the electronic equipment can be fitted. The internal assembly structure has height, a plurality of posts, and at least two panels. Each of the panels has a plurality of recesses formed therein. At least one post includes mounting tabs positionable within the recesses formed within the panels for precisely locating the post with respect to the panels. The cladding kit has at least two post trims connected to the internal assembly structure and at least one panel connected to the post trims. Each of the post trims has a body member, a first connector and a second connector. The first connector and the second connector of the post trim cooperate to connect the post trim to the posts of the internal assembly structure.

Abstract: A modular drawer system provides a system of interchangeable components that are easy to assemble. The system requires few fasteners because most of the parts are slidably interconnected. Many parts perform dual functions. A removable lock tray and a tracking mechanism to provide easier steering of a rolling cart are provided. A lock bar assembly with few moving parts is easily assembled. In addition, an accessory track provides two types of attachments for accessories, a more flexible, snap-on attachment and a more permanent, bolted attachment.

Abstract: An enclosure for a worktable having a top four corner support posts with an undershelf releasably secured to the posts below the worktable top primarily comprises a pair of opposed side panels each including front and back vertical curved portions for placement around opposed pairs of front and back support posts. A horizontal lintel is releasably attached to the front underside of the worktable and the front vertical curved portions of the opposed side panels. A pair of front doors immediately below the horizontal lintel are either hingedly secured to the front vertical curved portions of the opposed side panels or slidably mounted in tracks to provide access to the space between the worktable and the undershelf.

Abstract: A modular enclosure system for electronic equipment is disclosed as is a process for assembling such a system. The basic element of the system is a frame unit which forms a chamber of the electronic equipment. Each frame unit has front, rear and side openings. Around each opening is a flange and a push-on bulb seal. A generally rectangular cross-sectioned seal is adhered to corner posts of the frame unit. Doors are mounted to the frame unit to seal the front and rear openings by compressing respective bulb seals. Side panels are mounted to the frame unit to cover side openings of a single or multi-frame unit system and the side panel compress both types of seals mentioned above. Bridge panels connect adjoining, alinged frame units and compress the rectangular seals and also result in bulb seals mounted around adjoining side openings of adjoining frame units to compress each other. Battery housings, covers and skids are also connected to aligned frame units as is a single cap panel.

Abstract: A switch cabinet with a rack that can be closed or is closed by at least one double-walled cabinet door, three side walls, a top wall and a bottom wall, where the side walls each has an internal wall and an external wall and are attached to the rack. With a special angling-off of the internal wall for the side walls and the back wall, a completely sealed and shielded internal space of the switch cabinet is produced, wherein the rigid attachment of the internal walls and the external walls is accomplished from outside the supported interior of the switch cabinet.

Abstract: A metal cabinet for housing electronic equipment comprises front and rear frames, each comprising a welded rectangular frame. A pair of top struts are fastened between the front and rear frames at the top. A base panel is fastened between the front and rear frames at the bottom. A pair of rectangular side panels is fastened between the front and rear frames at the sides. A top cover is fastened to the tops of the front and rear frames and to the top struts. A rear cover is fastened to the rear frame.

Abstract: The present invention is a system and method of fabricating showcases in a variety of shapes, sizes, and designs, while allowing both novices, with an interest and skill in arts and crafts (or framing), and professional framers to enjoy the easy-to-construct features of the present invention. The showcase system includes, but is not limited to (1) novel molding pieces that are used in conjuction with (2) standard picture frame pieces, which are themselves used in novel manner, (3) standard glass, mirrored glass, ceramic or other similar materials that can be suitably used to make the showcase walls, (4) standard adhesives, sealants, and/or glass retaining strips, (5) standard matting and/or foam core materials, and/or (6) the use of standard tools, including, but not limited to, a razor knife, stapler, and/or a diamond point attachment tool. A second embodiment of the showcase having a hexagonal shape, is also described.

Abstract: The invention provides a cabinet for storing computer devices with from various device vendors. This allows one cabinet to be used for multiple brands of computer devices, rather than requiring a separate type of cabinet for each brand of computer device. There are several cabinet features that add flexibility to the cabinet. One or more of these features can be incorporated in a cabinet to increase the flexibility of the cabinet for storing different brands of computer devices with different storage requirements.

Abstract: The invention provides a tool-less apparatus and method for attaching and removing computer devices and computer components in a storage cabinet. The bracket apparatus allows easy and secure attachment and removal of components in the cramped space of a storage cabinet without the need for saving extra space for maneuvering in the cabinet with tools. The bracket apparatus slides onto a support structure or frame track in a storage cabinet, locking firmly into place. A computer device or component can be slid onto the bracket and also locked securely into place. In addition, a spring release flap releases the computer device or component for removal or adjustment. A plunger release mechanism and fastener arms allow release of the bracket apparatus from the cabinet for removal or adjustment.

Abstract: The present invention provides an enclosure that stores accessories for computer-related devices in zero unit space. The enclosure comprises a frame with horizontal and vertical members coupled with frame tracks. The frame supports computer-related devices, such as server blades, in a rack unit space. The computer-related devices, being supplied by different vendors, have varying sizes, shapes, and attachment requirements. The frame tracks are adapted to attach accessories, such as a power source, a cooling device, or a wire guide, in a zero rack unit space. The frame is configured according to the EIA-310-D standard. The accessories and computer-related devices are mounted to the frame and the frame tracks using tool-less adapters.

Abstract: A switchgear cabinet with a cuboid rack assembled from frame legs, wherein free spaces are formed in areas of outer corner edges for receiving folded edges of meeting panel elements. If at least the folded edges of the vertical panel elements have at least two folded sections, which adjoin the panel elements whose insides are located directly, or via sealing elements, on the outer levels of the rack, and protrude into the free space of the facing frame leg, and the folded end sections extend parallel with respect to the median line of the outer levels meeting each other and their outsides are at the preset distance from the median line, then a transition which is symmetrical to the median line and has a narrow gap in the area of the outer corner edges and increased vandalism proofing is accomplished.

Abstract: The invention relates to a switch cabinet with a rack that can be closed or is closed by at least one double-walled cabinet door, three side walls, a top wall and a bottom wall, where the side walls each consist of an internal wall and an external wall and are attached to the rack. By means of a special angling-off of the internal wall for the side walls and the back wall, a completely sealed and shielded internal space of the switch cabinet is produced, wherein the rigid attachment of the internal walls and the external walls is performed from outside the supported interior of the switch cabinet.

Abstract: A distribution cabinet (1) for accommodating weak-current distribution installations, in particular for arranging outdoors, having a base box (2), an outer cabinet body (3) with at least one door (4), a cabinet cover (5), and an inner installation frame (6), the installation frame (6) being made up of profile sections (50), of which the cross-sectional shapes has two insertion pockets (51a,b), of which the insertion directions (52a,b) run at right angles to one another.

Abstract: A switchgear cabinet including rectangular framework of frame members, wherein, in the region of the outside edge corners, free spaces are formed to accommodate angled edges of the double-wall covering members, which abut each other. If at least the angled edges of the exterior walls of the vertical covering member have two angled portions, the interior walls of the covering members with their inner surfaces in the outer planes, directly or via sealing members, fit onto abutment profile sides of the frame members of the framework and are connected in front of the angled end portions of the exterior walls.

Abstract: A device for fastening of attachment elements, such as mounting rails, mounting plates, deposit plates and the like on a frame leg of a switchgear cabinet rack, wherein the frame legs are designed symmetrically in relation to their cross-sectional diagonal line and are aligned with the latter with the diagonal line of the rack. On the inside of the frame legs oriented toward the interior of the rack, the frame legs form a fastening receiver with two fastening profile sides which are disposed vertically in respect to each other and extend parallel to the facing outsides of the switchgear cabinet rack. The frame legs form system fastening receivers in the form of square or rectangular openings and fastening bores and make transitions into additional profile sides having corresponding rows of fastening receivers, which extend perpendicular to the facing exteriors of the switchgear cabinet rack.

Abstract: A modular storage cabinet which can be shipped in a knocked-down condition and assembled on site with a minimal number of mechanical fasteners. Arcuate end connectors are provided for the side panels, which end connectors engage a tube at the corner connections. A sleeve slides over the arcuate end connectors, securely locking the side panels to the tube without the need for screws or any other fasteners. Top and bottom panels are attached at the corner connection assemblies. The cabinet includes a front panel which pivotally receives.one or more doors, or the doors can be directly connected to the top and bottom panels. The side walls in the preferred embodiment are manufactured by a plastic injection molding process. The interior of the side walls may include screw bosses integrally formed therein for attachment of drawer slides, shelving or other accessories. The corner connection assembly can be used for any type of corner connections, such as for modular office panel systems.

Abstract: A frame structure for a switch cabinet includes at least four vertically extending rail profiles arranged in edges. At least one of the vertical rail profiles includes a cross section formed by a plurality of bent profile webs, the cross section of an envelope of at least one rail profile being configured to be rectangular. The at least one vertical rail profile is configured to be open, and at least one profile web extends longer than an edge length of the rectangle formed by the envelope and is double-walled.