Class 52/784.14 - Multicellular core

Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure in which the panel core member is formed having
No. of patents: 34
Last issue date: 01/03/2012

Number	Title	Issue Date
8087212	Method of making multi-ply door core, multi-ply door core, and door manufactured therewith The present invention concerns a method of forming a multi-ply core component. A mold press is provided having an upper die and a lower die defining a mold cavity. At least one of the upper die and the lower die has a plurality of protrusions. A first wood composite...	01/03/2012
7866119	Method of making a multi-ply door core, multi-ply door core, and door manufactured therewith The present invention concerns a method of forming a multi-ply core component. A mold press is provided having an upper die and a lower die defining a mold cavity. At least one of the upper die and the lower die has a plurality of protrusions. A first wood composite...	01/11/2011
7707799	Self supportive panel system A self supporting panel system used to fabricate ceilings, floors, walls, or roofs. The panel system is assembled from a plurality of panels, each having a core that is sandwiched between opposing plate members. In a preferred embodiment, the core of each panel incl...	05/04/2010
7347399	Aircraft partition designed to separate a cargo part from a cockpit or from a passenger compartment A partition for an aircraft is designed to separate a cargo part from a cockpit or a passenger compartment of this aircraft. The partition includes a cellular central structure in contact with a first external wall and a second external wall of this partition. The p...	03/25/2008
7303641	Method for fabricating cellular structural panels An apparatus for manufacturing cellular laminate structural panels includes one or more supply stations of a flexible strip material including folding rollers for sequentially folding the strip material into cellular structures and feeding the cellular structures in...	12/04/2007
7225596	Self supportive panel system A self supporting panel system used to fabricate ceilings, floors, walls, or roofs. The panel system is assembled from a plurality of panels, each having a core that is sandwiched between opposing plate members. In a preferred embodiment, the core of each panel incl...	06/05/2007
7216464	Modular oven wall panel assembly A modular oven, such as a batch process oven, includes a standardized set of self supporting, interconnectable panels which, when assembled, from a self-supporting heat containment shell, free of added structural support members. The present invention is also direct...	05/15/2007
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
6949282	Contoured crushable composite structural members and methods for making the same The present invention provides contoured crushable composite structural members and methods for making the same. The contoured structural members comprise composite materials sandwiching a support or stabilizing structure. The contoured structure can be provided by ...	09/27/2005
6739104	Vacuum heat-insulating block The present invention provides a vacuum heat-insulating block including a honeycomb core, wherein the block structure prevents the honeycomb core having a low bulk specific gravity from collapsing by atmospheric pressure, the block attaining flexibility and sound ab...	05/25/2004
6453638	Press molded door with improved reinforcement material and stile structure A press-molded door including a reinforcing structure having a plurality of hollow vertical stiffeners joined by a horizontal web, two of the stiffeners arranged on opposite edges of the reinforcing structure with a groove formed in an edge face thereof, ...	09/24/2002
6449915	Inner wall finishing humidity control panel of cultural property storehouse A wall panel structure for controlling humidity within a building having a panel assembly attachable to an inner wall surface of the building including: a first panel having a surface with a first predetermined porosity to moisture; and a second panel sec...	09/17/2002
6412251	Web core structural panel A panel system includes a first skin, a second skin, a web core constructed from sheet material for securing the skins together in a spaced, sandwich relationship, and a connecting means for affixing the web core within the skins. The web core includes a ...	07/02/2002
6393783	Wall panel A wall panel including a rectangular frame, a pair of wall members and a thin decorative sheet covering the wall members. The frame includes two spaced apart, generally parallel vertical frame members. The horizontal frame members are connected to the ver...	05/28/2002
6339907	System of wall panels A wall panel including a rectangular frame, a pair of wall members and a thin decorative sheet covering the wall members. The frame includes two spaced apart, generally parallel vertical frame members and spaced apart, generally parallel horizontal lower ...	01/22/2002
6308463	Hinge assembly and method of attachment for composite panel doors A door having a core made from a composite panel material such as medium density fiberboard or particleboard is provided with a plurality of dowels which are secured, such as by an adhesive, within openings extending into the core. The dowels and openings...	10/30/2001
6301847	Wall panel A wall panel including a rectangular frame, a pair of wall members and a thin decorative sheet covering the wall members. The frame includes two spaced apart, generally parallel vertical frame members and spaced apart, generally parallel horizontal lower ...	10/16/2001
6170224	Multi-panel hollow door structures and manufacturing methods employing paperboard cores A multi-panel hollow door has a core made of corrugated paperboard. The core is formed from a stack of plies in which adjacent plies are adhered to one another in accordance with a predetermined pattern of adherence (e.g., a gluing pattern). The stack is ...	01/09/2001
6132836	Corrugated structural paper fillers for the interior areas of hollow doors and the method of making same A door has an outer skin and an inner skin with a frame along the edges of the outer skin and inner skin to hold the door skins apart to form a hollow space therebetween. A rigid space core filler or spacer is used in the hollow portion to provide structu...	10/17/2000
6098368	Door with reinforced metal panels A door has two metal panels, with each panel having a rectangular face member with opposite side and end edges. Side and end members extend from the side and end edges and engage to secure the panels together and form the door. Rigid support members are s...	08/08/2000
6061993	Construction module, method for producing such modules and the use of the module A module especially intended for being laid on floors, and possibly also walls or ceilings, is provided. The module comprises a base plate of a cellular light weight material and a fire proof cover plate. The underside of the cover plate is permanently co...	05/16/2000
5992127	Universal expandable spacer cores for hollow doors and the method of making same A door is provided that has a first outer skin and a second outer skin. A first and second outer skins are separated by a frame to form a hollow core between the frame and the outer skins. The outer skins have molded potions that extend into the space bet...	11/30/1999
5875609	Expandable spacer cores for panel doors and the method of making same A door is provided that has a first outer skin and a second outer skin. A first and second outer skins are separated by frame to form a hollow core between the frame and the outer skins. An expandable spacer is connected to the first and second skins to h...	03/02/1999
5875608	Expandable spacer cores for flush doors and the method of making same A door has a pair of outer skins separated by a frame to form a hollow space therebetween. An expandable spacer core is connected between the pair of skins. The expandable spacer core has a plurality of elongated members each oriented perpendicular to bot...	03/02/1999
5715644	Superplastically formed, diffusion bonded panels with diagonal reinforcing webs and method of manufacture SPF/DB structures having diagonal reinforcement webs and processes for the formation of the structures allow greater vertical web height to spacing to be formed. The diagonal webs are constructed by adding at least two additional sheets in the center of a...	02/10/1998
5498462	High thermal conductivity non-metallic honeycomb Thermally conductive non-metallic honeycomb structures are provided as well as a novel co-corrugation process for their production. The thermal conductivity of the non-metallic honeycomb structures is increased by incorporating unidirectional thermally co...	03/12/1996
5191704	Insulating industrial door manufacturing method A two way, double action insulating door is described having an insulating core to which is mounted a pair of structural panels. An extruded edge rail is mounted to each edge margin of the core and retains a peripherally-projecting rubber leaf gasket. Pre...	03/09/1993
5074087	Doors of composite construction A panel door of composite construction includes a pair of stiles and top and bottom rails which cooperate to define a rectangular frame, a plastic foam core bordered by the frame and an opposed pair of molded fiberglass skins which sandwich the frame and ...	12/24/1991
4686806	Molded high impact industrial door A molded, high impact, industrial door having a thermoplastic resin honeycomb core formed with a multiplicity of cells. Each cell has an open end and side walls that converge to a closed bottom and alternate cells open to opposite faces of the core. The c...	08/18/1987
4635421	Molded door A door comprises a core comprising a synthetic resin honeycomb core member and a coplanar wood panel along one edge thereof. Front and rear door skins adhere to and sandwich the core. Spaced opposed peripheral edge flanges of the door skins retain a gaske...	01/13/1987
4583338	Door panel construction A hollow door panel construction includes a rectangular frame of predetermined thickness assembled from side and end members defining an elongated enclosure. Within the enclosure are corrugated paperboard strips, having a width equal to the predetermined ...	04/22/1986
4155200	Plastic storm door A plastic storm door comprising a unitary molded plastic panel having an integral solid skin. The panel has a channel along its peripheral edge having integrally molded load-transferring ribs diagonally traversing the width thereof. Hinges are secured alo...	05/22/1979
4118543	Reflectant foil insulated steel doors A door made up of a grid frame, two sheets of metallic foil and two face skins. The grid frame is made up of laterally and longitudinally extending members. A sheet of foil is supported on each side of the grid frame under the face skins. The door has pro...	10/03/1978

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Class 52/784.14 - Multicellular core