Filled Honeycomb Cells (e.g., Solid Substance In Cavities, Etc.) Patents (Class 428/117)
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Patent number: 6846574Abstract: A device having an improved thermal barrier coating (46) and a process for manufacturing the same. A support structure (28) for retaining a ceramic insulating material (46) on a substrate (16) is formed by the deposition of a support structure material through a patterned masking material (14). The support structure can define cells into which the ceramic insulating material is deposited following removal of the masking material. The masking material may be patterned by known photolithographic techniques (22,24) or by laser etching (48). The support structure (28) may be a composite metal-ceramic material having either discreet layers (30,34) or a graded composition and may be deposited by an electro-desposition process followed by a heat treatment to form a solid state diffusion bond with the substrate.Type: GrantFiled: May 16, 2001Date of Patent: January 25, 2005Assignee: Siemens Westinghouse Power CorporationInventor: Ramesh Subramanian
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Publication number: 20040253407Abstract: A sandwich panel includes a honeycomb core of a plurality of cells. A first skin is adhered to a first surface of the honeycomb core with an adhesive. A second skin is adhered to a second surface of the honeycomb core with the adhesive. The plurality of cells extend longitudinally between the first and second skins. The first and second skins adhere to the honeycomb core to form a sandwich panel having a surface area of at least 2.25 square feet. A foam fill is disposed within the cells of the honeycomb core. The foam fill and the honeycomb core define a first gap region proximate to the first skin and a second gap region proximate to the second skin.Type: ApplicationFiled: June 12, 2003Publication date: December 16, 2004Applicant: Northrop Grumman Corporation;Inventors: Chandrakant Himatlal Shah, Tod Palm, Timothy Alan Dyer, Carl A. Reis
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Patent number: 6826996Abstract: A composite armor 10 and method for making it. The armor 10 has a honeycomb core 12 that is provided with polygonal openings 14 and oppositely facing sides 16, 18. Inserts 20 are placed within at least some of the openings. A pair of sheets 22, 24 are respectively secured to the oppositely facing sides of the honeycomb core to close the openings, thereby containing fracture debris after impact, and to provide reinforcement. One method of making the composite armor includes: providing a honeycomb core having polygonal openings; adhering a sheet to cover the polygonal openings that are located on one side of the honeycomb core; at least partially filling at least some of the openings with a resin; placing one or more inserts within at least some of the openings; and adhering a front sheet to the oppositely facing side of the honeycomb core. A preferred manufacturing practice involves resin infusion.Type: GrantFiled: March 11, 2002Date of Patent: December 7, 2004Assignees: General Dynamics Land Systems, Inc., Mofet Etzion Agricultural Cooperative Association Ltd.Inventor: S. Jared Strait
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Patent number: 6824856Abstract: A protective packaging sheet which is particularly suitable for packaging heavy loads such as coils of sheet steel. The packaging sheet is formed from a plastics sheet material having inherently relatively low compressions strength and resistance to impact forces and bending. These mechanical properties are vastly improved in the embossed packaging sheet. At least one of the surfaces of the sheet material is provided with shaped protuberances juxtaposed with adjacent shaped protuberances to provide a gap around each shaped protuberance. The shaped protuberances are arranged in such a way that all straight lines projected onto the surface cut through the shaped protuberances in addition to the gaps.Type: GrantFiled: April 5, 2001Date of Patent: November 30, 2004Assignee: ITW LimitedInventor: Ian Karl Jones
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Patent number: 6824851Abstract: A mass transit flooring assembly including a plurality of sandwich panels. The sandwich panels (30) include a top skin (54), a bottom skin (58), a perimeter defining closeout (46), and a core (50) between the top (54) and bottom skin (58) and within the closeout parameter (46). The closeout (46) includes mating surfaces used to connect adjacent panels. The core is a precured reinforced core including a plurality of phenolic ribs and foam strips positioned in an alternating fashion. The precured core is manufactured by impregnating a layer of fabric with phenolic resin between two foam cores and stacking in a similar alternating fashion to create a bun. After the bun is cured at a constant pressure and temperature and cooled, the bun is cut along a plane perpendicular to the plane of the layers to provide a precured reinforced core panel ready to be inserted as a core in a sandwich panel.Type: GrantFiled: April 5, 2002Date of Patent: November 30, 2004Assignee: Milwaukee Composites, Inc.Inventors: David M. Locher, John J. Tommet
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Patent number: 6815022Abstract: One or more sheet material layers in a multi-layer laminated structure is reinforced by adhesive bridges that extend through openings in the layer and tie together the layers on either side of the reinforced layer. A plurality of openings are provided in the layer or layers to be reinforced. The openings are spaced apart and distributed over the surface of the layer. Accordingly, when the layer is incorporated into a multi-layer structure, the adhesive applied to the layer, or to the layers on either side thereof, is forced through the openings so that a continuous adhesive connection is formed between the layers on opposite sides of the reinforced layer via the adhesive bridges that extend through the openings.Type: GrantFiled: June 18, 2002Date of Patent: November 9, 2004Assignee: Sonoco Development, Inc.Inventors: Lawrence E. Renck, Stéphane Demare
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Publication number: 20040209039Abstract: A honeycomb structure includes partition walls arranged so as to form a plurality of cells extending to an other-end portion from a one-end portion through an axial direction. There are provided a honeycomb structure including a partition wall having a different height in the axial direction in the one-end portion, and a manufacturing method suitable for the structure. There is provided a honeycomb structure comprising: a plurality of partition walls arranged so as to form a plurality of cells extending through an axial direction; and a plugging portion in an open end portion of a predetermined cell. The honeycomb structure includes convex and concave plugging portions, and intersecting portions of surrounding partition walls of one cell which does not any plugging portion contact one or more cells including the convex plugging portions and one or more cells including the concave plugging portions for each intersecting portion. A manufacturing method suitable for this honeycomb structure is also provided.Type: ApplicationFiled: April 2, 2004Publication date: October 21, 2004Applicant: NGK INSULATORS, LTD.Inventor: Yukihito Ichikawa
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Patent number: 6797666Abstract: A honeycomb filter is composed mainly of silicon carbide or of metallic silicon and silicon carbide; the filter being formed by bonding a plurality of honeycomb segments each of which has a plurality of through-holes being partitioned by porous partition walls. The filter is plugged alternately at the exhaust gas inlet face and exhaust gas outlet face of honeycomb segments. Each two adjacent honeycomb segments are contacted with each other at each a portion of their sides facing each other. They are bonded with each other at least at part of each portion of said sides other than the contacted portion through a bonding material having a strength lower than that of a basal body of honeycomb segment. Thus, the thermal stresses generated among the respective portions constituting the filter is reduced. The generation of cracks, etc. can be also prevented considerably.Type: GrantFiled: October 28, 2002Date of Patent: September 28, 2004Assignee: NGK Insulators, Ltd.Inventors: Takashi Harada, Toshiyuki Hamanaka
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Patent number: 6770349Abstract: A sandwich structure does not permit the permeation of water and a sandwich structure repairing method is capable of easily repairing the sandwich structure. A sandwich structure (1) includes a core (4) formed of a closed-cell foam plastic material, and surface plates (2, 3) formed of a fiber-reinforced composite material containing hydrophobic inorganic fibers as reinforcing fibers and bonded to the opposite surfaces of the core (4). Water is unable to permeate the sandwich structure.Type: GrantFiled: August 8, 2003Date of Patent: August 3, 2004Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Toru Itoh, Shunichi Bandoh
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Publication number: 20040146687Abstract: In order to manufacture a sandwich panel using the RTM technique, a stack comprising a core (10) with open cells, a film (12) of intumescent material covering each of the faces of the core (10), a dry barrier fabric (14) covering each of the films (12) and an overlay of dry fibers (16) covering each of the barrier fabrics is placed in a mold. During polymerization of the films (12), pressurization of the mold and the presence of the barrier fabrics (14) prevent penetration of the foam into the overlays (16). The resin is then injected into the mold and then polymerized, without danger of penetration into the cells of the core (10).Type: ApplicationFiled: January 16, 2004Publication date: July 29, 2004Inventors: Alain Fournier, Nathalie Duret
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Patent number: 6756565Abstract: A thermal insulator can change a heat insulation characteristic partially with a simple structure. The thermal insulator is divided into a plurality of parts in accordance with a temperature of a heat source which is insulated by the thermal insulator. The plurality of parts are formed of different honeycomb structures, respectively, so as to provide different heat insulation characteristics. The plurality of parts may be formed by different materials, or a shape or dimension such as a cell pitch of the honeycomb structure may be varied. Heat is collected from air within the honeycomb cells, and is transferred to other parts for heating.Type: GrantFiled: December 27, 2001Date of Patent: June 29, 2004Assignee: Tokyo Electron LimitedInventors: Osamu Suenaga, Wataru Okase, Takenobu Matsuo
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Patent number: 6755983Abstract: A thin film formation method in accordance with the present invention forms banks (110) where affinity bank layers and non-affinity bank layers are alternately layered by repeating a step of forming an affinity bank layer (111-11n) with a material having affinity for a thin film material solution (130) (such inorganic material as SiO2) and a step of forming a non-affinity bank layer (121-12n) with a material having non-affinity for the thin film material solution (130) (such organic material as resist) one or more times. Finally the thin film material solution (130) is filled between banks by an ink jet method, heat treatment is executed, and a thin film layer (131-13n) is sequentially layered. By these steps, cost required for affinity control can be decreased and forming multi-layer thin films with uniform film thickness becomes possible.Type: GrantFiled: September 20, 2002Date of Patent: June 29, 2004Assignee: Seiko Epson CorporationInventor: Ichio Yudasaka
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Patent number: 6753061Abstract: A flexible sandwich panel (100), comprised of a center layer (1) and one or two outer layers (2; 3), where the center layer is made of a polymeric synthetic material, is itself flexible and exhibits a coarse-cell honeycomb structure with open cells (4) in the direction of the upper and lower side of the center layer. The outer layer or layers consist of a hardened mortar that is made flexible with synthetic additives, and that have as their core a web material consisting essentially of fibers, where the exterior side (5) of the hardened outer layer is left unrefined or roughcast in a plaster-like manner. The sandwich panel can be bent without flaking of the outer layers.Type: GrantFiled: March 21, 2003Date of Patent: June 22, 2004Inventor: Stephan Wedi
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Patent number: 6739104Abstract: 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 absorption property. The vacuum heat-insulating block 100 according to the present invention is basically composed of a core utilizing a plurality of layered honeycomb members 50 (formed by bonding a honeycomb core member 51 to a support plate 55) and covering the core with a cover member 70. Moreover, a woven or non-woven fabric 60 having air permeability is disposed between the layers of honeycomb core members 51.Type: GrantFiled: April 17, 2002Date of Patent: May 25, 2004Assignee: Jamco CorporationInventors: Hideo Tokonabe, Katsuhiko Umeda
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Publication number: 20040076795Abstract: A composite metallic material 1 according to the invention is used for, e.g., electrolytic capacitors, and includes a metallic material substrate 10 and a high polymer thin layer 11 having a fine pattern 12 formed on at least one surface of the substrate 10 by self-organization. This high polymer thin film 11 is formed by, for example, drying hydrophobic organic solvent solution of high polymer compound. By subjecting this composite metallic material 1 to etching processing, etching pits are formed uniformly with high density based on the fine pattern.Type: ApplicationFiled: January 27, 2003Publication date: April 22, 2004Applicant: SHOWA DENKO K.K.Inventors: Masatsugu Shimomura, Masaru Tanaka, Hiroshi Yabu, Masafumi Takebayashi, Ryuji Monden, Tamami Koyama, Yoshikazu Hosoda, Masashi Sakaguchi
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Patent number: 6705874Abstract: Colored magnetic particles for magnetophoretic display capable of substantially preventing peeling of a pigment therefrom, to thereby prevent contamination of a dispersion medium during use of a magnetophoretic display panel, and a method for manufacturing the same. The colored magnetic particles include magnetic particle elements and a coloring layer formed on each of the magnetic particle elements from a first dispersion liquid using a coating apparatus of a tumbling, fluidizing and granulating type, to thereby color each of the magnetic particles. The first dispersion liquid is constituted of a coloring pigment, synthetic resin and water. The synthetic resin is in the form of an aqueous emulsion. The colored magnetic particles each include a protective layer formed on the coloring layer. The protective layer is formed from a second dispersion liquid constituted of synthetic resin dispersed in water.Type: GrantFiled: October 10, 2000Date of Patent: March 16, 2004Assignees: Marktec Corporation, Takara Co., LtdInventor: Akihiro Koyama
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Patent number: 6706365Abstract: An impact absorbing member includes a plurality of synthetic resin foams arranged in a stack, the foams being formed from a hard skin layer and a foamed layer formed within the skin layer, thereby enhancing the productivity in manufacture of the impact absorbing member for a vehicle.Type: GrantFiled: October 18, 2001Date of Patent: March 16, 2004Assignee: Moriroku Kabushiki KaishaInventors: Kouji Akasaka, Takashi Koike
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Patent number: 6695527Abstract: A reusable mat system for the construction of load bearing surfaces, such as temporary roadways and equipment support surfaces, over unstable or unsubstantial terrain, comprising durable, interlocking individual mats which can be quickly and easily installed in a single application, and which can thereafter be easily removed and stored until needed again. The individual mats of the present invention interlock on all sides to form stable and continuous load bearing surfaces, and exhibit favorable traction characteristics.Type: GrantFiled: January 27, 2003Date of Patent: February 24, 2004Assignee: OLS Consulting Services, Inc.Inventors: Ores Paul Seaux, Kenneth P. Seaux, Donald S. Rogers
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Patent number: 6696132Abstract: A honeycomb structure which includes an inlet end and an outlet end opposing each other and a plurality of cell channels extending along an axis from the inlet end to the outlet end, the cell channels having non-equal, square cross-sections, and an extrusion die for making the same.Type: GrantFiled: July 24, 2002Date of Patent: February 24, 2004Assignee: Corning IncorporatedInventors: Douglas M. Beall, Johnny Marcher
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Patent number: 6679969Abstract: In order to manufacture a sandwich panel using the RTM technique, a stack comprising a core (10) with open cells, a film (12) of intumescent material covering each of the faces of the core (10), a dry barrier fabric (14) covering each of the films (12) and an overlay of dry fibers (16) covering each of the barrier fabrics is placed in a mold. During polymerization of the films (12), pressurization of the mold and the presence of the barrier fabrics (14) prevent penetration of the foam into the overlays (16). The resin is then injected into the mold and then polymerized, without danger of penetration into the cells of the core (10).Type: GrantFiled: August 22, 2000Date of Patent: January 20, 2004Assignee: Aerospatiale Matra AirbusInventors: Alain Fournier, Nathalie Duret
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Patent number: 6673415Abstract: A honeycomb core material which is excellent in flame retardation, thermal insulation and noise insulation and has improved transportability and handling efficiency and which can be suitably used also for a sandwich structure of a curved shape as a foam has flexibility and elasticity, and a method for its production. A composite foam comprising a phosphoric acid type inorganic foam and a urethane type organic foam, obtained by foaming and curing an aqueous mixture containing a phosphorus-containing acid material, a curing agent, a blowing agent and a urethane polymer having NCO groups, is filled in cells of a honeycomb body having a cell size of from 3 to 100 mm and a porosity of from 92 to 99.5% according to JIS-A6931.Type: GrantFiled: July 24, 2001Date of Patent: January 6, 2004Assignees: Sanyo Chemical Industries, Ltd., Asahi Fiber Glass Company, LimitedInventors: Kaoru Yamazaki, Yasushi Kumagai, Tomokazu Shimizu, Akira Inoue, Masamichi Taguchi, Kengo Ozaki
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Patent number: 6673414Abstract: A ceramic filter for trapping and combusting diesel exhaust particulates offering improved configurations that are significantly more resistant to thermal cracking and melting damage comprises a honeycomb filter body composed of porous ceramic material and including a plurality of parallel cell channels traversing the body from a frontal inlet end to an outlet end thereof, a portion of the cell channels are plugged in a non-checkered pattern, and the remaining cell channels are plugged in a checkered pattern. In one embodiment the honeycomb filter body has a section of non-checkered and a section of checkered plugging at the frontal inlet end. In another embodiment the honeycomb filter body has a plurality of cell channels internal plugs. In another embodiment the honeycomb filter body has a plurality of partial cell channels which extend partially from the frontal inlet end into the honeycomb filter body, and are unplugged at the frontal inlet end.Type: GrantFiled: November 8, 2001Date of Patent: January 6, 2004Assignee: Corning IncorporatedInventors: Thomas D. Ketcham, Dell J. St. Julien
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Patent number: 6670046Abstract: A composite thermal barrier coating system includes a first composite thermal barrier coating over a portion of a substrate, and a second deposited thermal barrier coating over edge portions of the substrate. The first composite coating is relatively thick and preferably includes friable graded insulation comprising an abradable honeycomb metallic structure filled with high thermal expansion ceramic hollow spheres in a phosphate bonded matrix. The second deposited edge coating is relatively thin and preferably comprises an electron beam physical vapor deposited thermal barrier coating comprising ZrO2 and Y2O3. The friable graded insulation may be manufactured to thicknesses in excess of current thermal barrier coating systems, thereby imparting greater thermal protection. Superior erosion resistance and abrasion properties are also achieved. The composite thermal barrier coating system is useful on combustion turbine components such as ring seal segments, vane segment shrouds, transitions and combustors.Type: GrantFiled: August 31, 2000Date of Patent: December 30, 2003Assignee: Siemens Westinghouse Power CorporationInventor: John Yuan Xia
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Patent number: 6632505Abstract: A printing material containing a white layer and an absorption layer formed on a base material made of a resin film. The base material may be black and opaque, while the white layer contains titanium oxide. The absorption layer may contain a protein and absorbs aqueous inks. The white layer is hydrophilic and thus highly compatible with aqueous inks which have permeated the absorption layer and reached the white layer, thereby giving a vivid image. The printing material may be used in an advertising poster adhered to a windowpane of a bus, etc. by forming a number of holes in the printing material.Type: GrantFiled: March 7, 2000Date of Patent: October 14, 2003Assignee: Sony Chemicals Corp.Inventors: Takashi Nozawa, Tetsuya Abe, Katsumi Tajima
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Patent number: 6630221Abstract: An article of manufacture comprising an expandable sag-resistant nucleus-forming monolithic composite capable of being located within a hollow interior portion of a structural material and being expanded therein. Also, articles of manufacture comprising open-cellular structural material containing within the open-cell or cell thereof, at least one expandable sag-resistant nucleus-forming monolithic composite. The composite is desirably in the shape of a plug that is similar or close to similar to the shape of the hollow interior. In addition, there is described a process that comprises forming a pre-shaped expandable sag-resistant nucleus-forming. monolithic composite for use in reinforcing and stiffening a normally open-cellular structural material.Type: GrantFiled: July 21, 2000Date of Patent: October 7, 2003Assignee: Dexter CorporationInventor: Raymon S. Wong
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Patent number: 6630414Abstract: Invention-wise three-dimensional net made by warp knitting has high shape retainability in three-dimensional cords defining three-dimensional mesh spaces, capability of suppressing direction dependency, superiority in structural stability and pressure resistance, capability of retaining a suitable degree of elasticity and formation of three-dimensional cords simply by imparting tension, high void content, and lightweight, which are suitable for various applications.Type: GrantFiled: June 22, 2000Date of Patent: October 7, 2003Assignee: Asahi Doken Kabushiki KaishaInventor: Koichi Matsumoto
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Patent number: 6605326Abstract: A shell part formed of honeycomb (20) with fibrous reinforcing regions (21, 24) at inner and outer surfaces of the honeycomb and with foam material (26) penetrating the honeycomb cells and reinforcing regions, where the outer surface of the article is convexly curved and the inner surface of the article is concavely curved. This permits the construction of a hollow object (10) by connecting the ends of two shell parts together. Each shell part is formed by laying an outer region of fibrous material including cloth (30) sandwiched between tissue paper layers (32, 34, 35), against a mold wall 44. Next, a honeycomb sheet is laid over the outer region and an inner region (21, 60, 62) of fibrous material is laid over the honeycomb. Then, foamable material (26) is laid in the mold and the mold is closed to cause the expanded foam to penetrate the honeycomb and most of the fibrous layers.Type: GrantFiled: December 20, 2000Date of Patent: August 12, 2003Assignee: Foam Matrix, Inc.Inventor: Kent Sherwood
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Patent number: 6599611Abstract: A method of making a composite structure from a support structure or a plurality of support structures laid side-by-side on a base, is disclosed. The support structure is formed from frameworks each comprising a tube of a flexible material divided by dividing walls of a flexible material into an array of compartments. The frameworks are then filled with a suitable filler material. The frameworks have compartments with three different sizes which have advantages in the construction of certain composite structures.Type: GrantFiled: November 30, 2000Date of Patent: July 29, 2003Inventor: Alethea Rosalind Melanie Hall
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Patent number: 6565942Abstract: The present invention is a method for joining thermoplastic composite sandwich panels with thermoplastic welds (fusion bonds) made without autoclave processing of the joint. The preferred joint is a double interleaf staggered joint with supporting titanium doublers providing a tensile strength of at least 12,000 lb/in. The joint is particularly suited for joining sections of a cryogenic tank for spacecraft.Type: GrantFiled: April 22, 2002Date of Patent: May 20, 2003Assignee: The Boeing CompanyInventors: David M. Anderson, Steven E. Hahn, Douglas A. McCarville
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Patent number: 6558085Abstract: A method of forming a mine support capable of bearing an axial compressive load involves providing an outer container arranged in use to define a base. There is located within the container a tube of a flexible material divided by dividing walls of a flexible material into an array of compartments running the length of the tube. The compartments are arranged in rows and columns so that the tube divided by the dividing walls has a honeycomb structure. A first end of the tube is positioned in use on the container base and a second end of the tube. One or more of the compartments at or near the center of the tube are filled with a first load bearing material, for example a cementitious grout, to form a pillar with a load bearing capability. The remainder of the compartments of the tube are filled with a second material having no or a lower load bearing capability to form the mine support.Type: GrantFiled: April 24, 2001Date of Patent: May 6, 2003Inventor: Alethea Rosalind Melanie Hall
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Patent number: 6554545Abstract: A method of forming a support structure on a base from a framework uses a tube of a flexible material divided by dividing walls of flexible material into an array of compartments. Each compartment includes at least one wall including a hollow protrusion or recess. In use the framework is located on the base and the compartments are filled with the filler material so that each compartment is adjacent to one or more other compartments filled with the filler material and so that each hollow protrusion fills with the filler material so that each compartment protrudes into or is protruded into by at least one adjacent compartment so as to interlock adjacent compartment. This increases the overall strength of the support structure.Type: GrantFiled: November 30, 2000Date of Patent: April 29, 2003Inventor: Alethea Rosalind Melanie Hall
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Publication number: 20030072914Abstract: The honeycomb structure of the present invention is formed from a nonwoven fabric in which a biologically soluble fiber is used, and exhibits superior biological solubility and high heat resistance.Type: ApplicationFiled: September 26, 2002Publication date: April 17, 2003Applicant: Nichias Co., Ltd.Inventors: Minoru Tanaka, Haruko Sasaki
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Patent number: 6544624Abstract: A modular fiber reinforced polymer (FRP) composite deck module having one or more hexagonal components and one or more double trapezoidal components. A hexagonal component is a hexagonal cell with all sides being of equal length and forming a hexagonal space. A double trapezoidal component has a top side, a bottom side, a first trapezoid having a first top and a first bottom, and a second trapezoid having a second top and a second bottom. The first and second trapezoidal components are of equal dimensions and configured such that the first trapezoid is inverted resulting in the first top of the first trapezoid is adjacent to the second top of the second trapezoid, thereby creating a center seam and an extensive bonding surface. The double trapezoidal and hexagonal components are made of multiple layers of multi-axial fiber reinforcement and a resin matrix, the layers being continuous throughout the entire shape of the components.Type: GrantFiled: June 13, 2002Date of Patent: April 8, 2003Assignee: West Virginia University Research Corp.Inventors: Roberto A. Lopez-Anido, GangaRao V. S. Hota, Ever J. Barbero
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Patent number: 6544623Abstract: A honeycomb cell structure has a plurality of first strips each formed into a generally zig-zag configuration and placed side by side to form a plurality of rows of cells in a generally honeycomb configuration with nodes between adjacent cells in each row, and a plurality of second strips of brazing foil. Each second strip is positioned between a respective pair of adjacent first strips and the first and second strips are secured together at each node such that a brazing foil strip extends across each cell in each row of the honeycomb. The second strips have a series of spaced slits extending transversely from at least one side edge across at least a distance equal to greater than half of the width of the second strip, with at least some of the slits being located within the cells.Type: GrantFiled: November 29, 2000Date of Patent: April 8, 2003Inventor: George C. P. Straza
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Publication number: 20030041730Abstract: A honeycomb structure which includes an inlet end and an outlet end opposing each other and a plurality of cell channels extending along an axis from the inlet end to the outlet end, the cell channels having different hydraulic diameters and being arranged in a checkerboard pattern between large-diameter and small-diameter cell channels, and an extrusion die for making the same.Type: ApplicationFiled: August 30, 2001Publication date: March 6, 2003Inventors: Douglas M. Beall, Johnny Marcher
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Patent number: 6514368Abstract: A method for the production of a core material (1) composed of strips (2) of preferably fibrous material for a sandwich panel, in which sandwich panel the width direction (7) of the strips (2) is coincident with the thickness direction of the panel and a cover layer (8, 9) is attached to each of the longitudinal edges of the strips (5, 6), comprises cutting each strip (2) from an even number of layers with the formation of, in each case, a longitudinal edge (5, 6) having a cut surface (11) which, viewed in cross section of the strip (2), runs at an incline between the two surfaces (15, 16) of the strip (2).Type: GrantFiled: September 13, 2000Date of Patent: February 4, 2003Assignee: Honicel Nederland B.V.Inventors: Dirk Jan Holtslag, Henricus Johannes Maria Krabben
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Patent number: 6511257Abstract: A reusable mat system for the construction of load bearing surfaces, such as temporary roadways and equipment support surfaces, over unstable or unsubstantial terrain, comprising durable, interlocking individual mats which can be quickly and easily installed in a single application, and which can thereafter be easily removed and stored until needed again. The individual mats of the present invention interlock on all sides to form stable and continuous load bearing surfaces, and exhibit favorable traction characteristics.Type: GrantFiled: May 31, 2000Date of Patent: January 28, 2003Assignee: OLS Consulting Services, Inc.Inventors: Ores Paul Seaux, Kenneth P. Seaux, Donald S. Rogers
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Patent number: 6509081Abstract: An acoustic panel comprises a core layer of honeycomb whose opposite sides are covered by face sheets each comprising a perforated metal plate and a sheet of metal cloth such as woven wire or metal felt. The perforated metal plates are bonded to the core and the metal cloth sheets form the outer surfaces of the panel. Each metal cloth sheet has an acoustic resistance of 5 to 300 Rayls. The perforated metal plates have an open area of about 20 to 40 percent in preferred embodiments. Noise in a nozzle is suppressed by disposing a plurality of the acoustic panels in the nozzle duct with the panels oriented radially and spaced apart about a circumference of the duct.Type: GrantFiled: September 28, 2000Date of Patent: January 21, 2003Assignee: The Boeing CompanyInventor: John Anthony Diamond
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Patent number: 6500517Abstract: A structure for reducing shock transmitted from a source (6) to an equipment unit (7) in a hardware system, which structure includes a honeycomb cellular support member (2, 3, 4 or 5) carrying the equipment unit to be protected from shock and/or the source. At least some of the honeycomb cells are filled with rigid microgranules whose dimensional characteristics are preferably heterogeneous, within given limits.Type: GrantFiled: March 1, 2000Date of Patent: December 31, 2002Assignee: AlcatelInventors: Bertrand Brevart, Thierry Youssefi, Emmanuel Bodin
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Publication number: 20020180117Abstract: A honeycomb structure having, in the axial direction, a number of through-channels separated by partition walls, which honeycomb structure contains refractory particles and a vitreous component and is porous. Although the honeycomb structure contains refractory particles such as silicon carbide particles or the like, it can be produced at a relatively low firing temperature; therefore, the honeycomb structure has a low production cost and a high yield and can be provided at a low price.Type: ApplicationFiled: October 14, 2001Publication date: December 5, 2002Inventors: Yoshinori Yamamoto, Naomi Noda, Takashi Harada
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Patent number: 6484473Abstract: A method of forming a support structure on a base from a framework (10) comprising a tube (12) of a flexible material divided by dividing walls (14) of a flexible material into an array of compartment (16), is disclosed. The method includes the steps of locating flexible strings (20, 22, 24, 26, 28, 30, 32, 34) through lines of compartments (16) at or near each edge of the framework (10) and through lines of compartments (16) intermediate the edge lines of compartments (16), attaching the ends of the strings (20 to 34) to fixed objects (36) to support the framework (10) with a first end of the tube (12) on the base and a second end of the tube (12) above the first end, and filling some or all of the compartments (16) with a suitable filler material. The strings or stays assist in supporting the framework (10) when it is being filled with the filler material.Type: GrantFiled: November 30, 2000Date of Patent: November 26, 2002Inventor: Alethea Rosalind Melanie Hall
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Patent number: 6485805Abstract: The present invention is an insulating composite comprising (a) a first thermally reflective layer having a reflective surface and an opposing surface and (b) silica aerogel granules. The present invention further includes an insulating element in which the insulating composite is disposed within an air-impermeable container.Type: GrantFiled: January 15, 1998Date of Patent: November 26, 2002Assignee: Cabot CorporationInventors: Douglas Michael Smith, R. Ulrich Boes, Alok Maskara
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Patent number: 6455131Abstract: A modular fiber reinforced polymer (FRP) composite deck module having one or more hexagonal components and one or more double trapezoidal components. A hexagonal component is a hexagonal cell with all sides being of equal length and forming a hexagonal space. A double trapezoidal component has a top side, a bottom side, a first trapezoid having a first top and a first bottom, and a second trapezoid having a second top and a second bottom. The first and second trapezoidal components are of equal dimensions and configured such that the first trapezoid is inverted resulting in the first top of the first trapezoid is adjacent to the second top of the second trapezoid, thereby creating a center seam and an extensive bonding surface. The double trapezoidal and hexagonal components are made of multiple layers of multi-axial fiber reinforcement and a resin matrix, the layers being continuous throughout the entire shape of the components.Type: GrantFiled: June 1, 1998Date of Patent: September 24, 2002Assignee: West Virginia UniversityInventors: Roberto A. Lopez-Anido, GangaRao V. S. Hota, Ever J. Barbero
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Patent number: 6403195Abstract: A composite material includes five distinct layers of material: two thin outer layers or panels, a central rigid core and intermediate foam layers on both sides of the core which fill the regions between the core and outer panels. The core can be a wide variety of material but is preferably a rigid foam or wood having resin or epoxy impregnated fiber or fiber filled outer skins. An array of apertures extends through the core. During the fabrication process, the apertures facilitate cross flow of the foam and ensure even distribution thereof. As a finished product, the foam filled apertures ensure positive location and retention of the core within the foam. The foam may be any suitable injectable foam but is preferably a composition which remains resilient upon curing as such foam more readily accommodates dimensional changes between the layers due to, for example, ambient temperatures changes.Type: GrantFiled: March 10, 2000Date of Patent: June 11, 2002Assignee: Durakon Industries, Inc.Inventors: John Montagna, Leslie E. Smith, Zbigniew Roman Pedzinski
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Patent number: 6395372Abstract: A cell confinement structure for confinement of material having a plurality of elongated plastic strips in a side by side relationship bonded together in spaced-apart, limited areas where the plurality of strips are capable of being stretched in width to form a unitary web of cells. The strips forming walls of the cells with at least one of the cell walls having a plurality of apertures in which each diameter is between about 3 mm and 17 mm. Preferably, each of the cell walls has a plurality of apertures with the total area of the apertures in the cell walls being between 19% and 28% of cell wall area.Type: GrantFiled: November 7, 2000Date of Patent: May 28, 2002Assignee: Reynolds Consumer Products, Inc.Inventor: Gary M. Bach
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Patent number: 6387200Abstract: The invention thus provides a method of making a foam-filled composite matrix having a cellular core, and the composite matrix of the method, e.g. for use as sacrificial energy absorbing structures particularly for the passenger compartments of vehicles, e.g. motor vehicles. Thus the structures may be used in head linings in automobiles and as linings and even seats in vehicles such as aircraft. Additionally the structures may form crash padding in crash helmets and body armour.Type: GrantFiled: August 23, 1999Date of Patent: May 14, 2002Assignee: Cellbond Composites LimitedInventors: Michael Ashmead, Paul Blauberger, Werner Lehr, Ralf Passman
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Patent number: 6372289Abstract: A process for making a honeycomb article having longitudinal channels extending from one face to a second face supporting a uniform coating of activated carbon on the channel walls, the process comprising the step of providing a solid heat-activated oxidant within the channels and heating the article to release the oxidant and uniformly activate the carbon coating.Type: GrantFiled: December 17, 1999Date of Patent: April 16, 2002Assignee: Corning IncorporatedInventor: David L. Hickman
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Publication number: 20020031642Abstract: The present invention relates to a process for producing filled vias which are made of two components, a first component which forms a bonding layer between the wall of the via and a second component which forms the core of the via. Preferably, the two components solidify from a melt which includes two immiscible liquids. The first liquid is capable of wetting the wall of the via and the second liquid. The resulting product is also disclosed. Preferably the first component comprises a copper oxide and the second component comprises a conductive metal such as silver or copper.Type: ApplicationFiled: April 6, 2001Publication date: March 14, 2002Applicant: CoorsTek, Inc.Inventors: Marcus A. Ritland, Steven M. Landin
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Patent number: 6355331Abstract: A surface structure including a skin (13) a build-up (18) and a backing (20). A skin is formed and a build-up layer is applied to the skin. In one embodiment, gas pressure is applied to form the skin in a single-sided die. A nozzle on a five-axis arm then applies resin to the skin in a selected pattern. The selected pattern may form a hexagonal “honeycomb” cell structure, for example, to support the skin and may transition to a columnar cell structure for better crush resistance. The hexagonal-to-columnar structure provides superior crush resistance in automotive body panels, for example, and improved solar energy concentration in solar energy applications.Type: GrantFiled: December 29, 1998Date of Patent: March 12, 2002Assignee: LEK Technologies, LLCInventor: Loren C. Hillier
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Patent number: 6352756Abstract: A thin-walled honeycomb structure includes: a circumferential wall, numerous partition walls disposed inside the circumferential wall, and numerous cell passages defined by the partition walls. A circumferential portion of the honeycomb structure is reinforced wholly or in a part within a certain distance from an extremity surface of the honeycomb structure by a reinforcing material that dissipates or evaporates at a high temperature, and a method for producing the same.Type: GrantFiled: May 25, 1999Date of Patent: March 5, 2002Assignee: NGK Insulators, Ltd.Inventors: Yukihito Ichikawa, Koichi Ikeshima