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Class 428/604 - Intersecting corrugating or dimples not in a single line (e.g., waffle form, etc.)


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Subject matter having elongated nonplanarities which intersect,
No. of patents: 63
Last issue date: 07/05/2011


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NumberTitleIssue Date
7972708Heat shield
A heat shield for shielding an object against heat and/or noise has at least one metal layer having a first and a second surface, beyond at least one of which a plurality of embossments projects. At least a part of the embossments differ from the remaining embossmen...
07/05/2011
7947380Sheet material
A sheet of cold rolled material having on both of its surfaces rows of projections and rows of depressions, the projections on one surface corresponding with the depressions on the other surface, the relative positions of the projections and depressions being such t...
05/24/2011
7338700Embossed, cross-laminated film
A moisture resistant film is for covering an architectural structure. The film includes a flexible membrane defining a plane and a first plurality of spaced apart, discrete embossings formed in the membrane extending outwardly of the plane. The embossings are formed...
03/04/2008
7333337Electric junction box
A heat sink in an electric junction box has thermal diffusion portions having one of convex and concave shapes on the surface. The structure enlarges a surface area of the heat sink compared to a configuration in which a surface has no concavity or convexity, thereb...
02/19/2008
7326458System and method for flexible insulation
An insulator is provided having a folded, stacked substrate with a plurality of insulating cells. The substrate is folded such that cells on one folded portion are interleaved with cells on another portion. ...
02/05/2008
7288326Active energy absorbing cellular metals and method of manufacturing and using the same
Multifunctional cellular metals (or other materials) for structural applications that are capable of recovering their original (undeformed) shape and thickness after impact or crushing (i.e., self-healing). Alternatively, they may normally be stored or used in their...
10/30/2007
7276211Process for producing a one-piece, structured metal foil having a hole, metal foil and honeycomb body
A process for producing a one-piece, structured metal sheet having an interior with a hole, provides a predetermined, curved outer contour and inner contour that delimits the hole. A smooth, shaped blank is produced, having an outer edge substantially concentrically...
10/02/2007
7276295Metal foil with an embossed structure for use in the purification of exhaust gas and a tool and method for its production
The subject matter of the present invention relates to a metal foil with an embossed structure for use in the purification of exhaust gas as well as to a tool and a method for its production. In the direction of the main flow, the metal foil has alternating peaks wi...
10/02/2007
7132158Support layer for thin copper foil
A composite material useful for the manufacture of a circuit has a support layer, a metal foil layer having opposing first and second sides and a thickness of 15 microns or less and a release layer effective to facilitate separation of the metal foil layer from the ...
11/07/2006
7026059Copper foil for high-density ultrafine printed wiring boad
The present invention is to provide an ultra-thin copper foil with a carrier which comprises a release layer, a diffusion preventive layer and a copper electroplating layer laminated in this order, or a diffusion preventive layer, a release layer and a copper electr...
04/11/2006
6994902Metallic porous body
A metallic porous body includes a number of protrusions formed on obverse and reverse sides of a metal sheet so as to protrude alternately with one another; each of the protrusions being formed into an truncated-shape wherein an opening portion punched out in the di...
02/07/2006
6945002Reinforcement for prefabricated concrete panels with improved bonding to concrete
A reinforcement for prefabricated concrete panels with improved bonding with concrete, which comprises profiles to be embedded in a concrete body of a panel. At least some of the profiles have perforations and undulations which are suitable to increase the bonding b...
09/20/2005
6902824Copper foil and metal foil with carrier foil for printed wiring board, and semi-additive process for producing printed wiring board using the same
This invention provides a metal foil and an etching process which overcomes the problem of etching of the copper foil layer and the plating copper layer formed on a metal clad laminate during the conventional semi-additive process for producing printed wire boards. ...
06/07/2005
6722177Slip-resistant aquatic component and method for making the same
A stainless steel aquatic component for use in an aquatic environment such as pools, spas, hot tubs, and shower rooms has a slip-resistant texture formed therein. The slip-resistant texture includes a plurality of protrusions which are punched into an outer surface ...
04/20/2004
6660403Flexible corrugated multilayer metal foil shields and method of making
A rigid structural foil and a method for forming a rigid structural foil is provided. The structural foil includes at least two layers of metal sheets, valley areas and spacers. The metal sheet layers include metal foil having a thickness of 0.006 in. The...
12/09/2003
6555246Method of producing a sound-absorbent insulating element and insulating element produced according to this method
The invention relates to a method of producing a sound-absorbent insulating element with at least two metallic leaves or sheets (2, 3) in the form of films or sheets. According to said method, at least one of said elements is provided with knobs in such a...
04/29/2003
6447929Thin copper on usable carrier and method of forming same
A component for use in forming a printed circuit board comprised of a copper foil, a layer of chromium chemically deposited thereon, the layer of chromium having a thickness of less than about 0.10 μm; and a layer of electrodeposited copper on the layer ...
09/10/2002
6415581Corrugated stiffening member
A stiffening member, as well as a diaphragm of a building in which the stiffening member is used, is disclosed. The diaphragm includes a horizontal wide-flange beam, a corrugated deck, and a corrugated stiffening member. The stiffening member is an elonga...
07/09/2002
6337143Appliance insulated with protected fiber insulation
An insulated appliance which provides a simple, low cost product and method for containing fiber insulation for application to appliances. A combination of an appliance, fiber insulation layer applied to the exterior surface of a wall of the appliance and...
01/08/2002
6280856Deformable roof flashing material and a method of manufacturing such a material
A deformable sheet material at least partly comprising a sheet metal or metal foil which is corrugated, e.g. by rolling, in continuous waveform in two directions (A, B) substantially orthogonal to each other. The sheet material can comprise aluminum foil ...
08/28/2001
6207293Flexible corrugated multilayer metal foil shields and method of making
A flexible multilayer metal structure includes using multiple layers interlocked to form folds holding the layers together. These folds can extend into non-edge portions of the multilayer structure so that the multilayer structure defines air gaps that ai...
03/27/2001
6183879Rigid thin sheet material and method of making it
Lightweight flexure-resistant thin metal sheet is produced by passing flexible thin metal sheet between rolls having defined teeth, the teeth having radiused corners so that rows of projections are formed on both faces of the sheet without damage to the s...
02/06/2001
6090495Flat structure made of foil or sheet metal to be used as a heat shield
A flat structure made of foil or sheet metal to be used as a heat shield, for example in motor vehicles in order to insulate the muffler against heat. The flat structure comprises at least one layer and is divided into a plurality of flat regions. Some of...
07/18/2000
6001493Substrate for transferring bumps and method of use
A first pattern of bumps and a second pattern of bumps are formed on a substrate (10) with bumps (14,15). During a transfer process, only the bumps (14) of the first pattern of bumps are transferred to pad extensions (20) of a device (17). The bumps (15) ...
12/14/1999
5939212Flexible corrugated multilayer metal foil shields and method of making
A flexible corrugated multilayer metal foil structure comprising a stack of metal foil layers which are formed in corrugations extending across a stack of the metal foil layers, wherein all of the layers have the same corrugated pattern and shape as a res...
08/17/1999
5853902Metal honeycomb core body
A metal support for exhaust gas cleaning has a metal honeycomb core body fabricated by laying a planar sheet on a corrugated sheet and rolling the laminated sheets into a cylindrical configuration. The corrugated sheet has sinusoidal shaped portions havin...
12/29/1998
5795658Honeycomb body having microstructures in an intersecting configuration
A metal honeycomb body includes sheet metal layers. At least some of the layers have at least one macrostructure forming a multiplicity of channels for conducting a fluid in a flow direction and determining a honeycomb shape. At least some of the layers h...
08/18/1998
5670264Thermal barrier
A heat shield for providing thermal insulation is made of several uniform thickness aluminum sheets. Each sheet has stand-offs formed therein to space adjacent sheets and create air pockets in the heat shield....
09/23/1997
5501912Strip material
The invention relates to a material in the form of a strip having a stiffening corrugation thereon. The corrugation consists of ridges and valleys therebetween which form arcs over the breadth of the corrugation zone. The corrugations form a wave pattern ...
03/26/1996
5462789Substrate
A substrate for electronic components has a layer of material covering at least a portion of the substrate. Recesses are formed in a layer of material and located in a pattern relative to each other to form a predetermined temperature distribution across ...
10/31/1995
5431984Composite preforms with groves for fibers and groves for off-gassing
The invention is directed to composite preforms which comprise reinforcing fiber deposited in grooves pre-formed in a metal or ceramic foil....
07/11/1995
5330728Catalytic converter with angled inlet face
A catalytic converter for use in the exhaust system of an internal combustion engine having a catalyst coated substrate with an inlet face oriented at an angle less than ninety degrees to the flow of exhaust gas entering the converter and fluid flow chann...
07/19/1994
5314738Reinforced composite corrugate body
The strength and workability of a reinforced composite corrugated body are improved. A corrugated body is constituted such that corrugate lines provided with vertically spaced ridges and grooves formed alternately in a sheet material are formed in a smoot...
05/24/1994
5256464Substrate
A substrate for electronic components has a layer of material covering at least a portion of the substrate. Recesses are formed in a layer of material and located in a pattern relative to each other to form a predetermined temperature distribution across ...
10/26/1993
5244745Structural sheet and panel
The invention relates to a structural sheet formed with cup-shaped projections in which the sidewalls are formed by a sigmoidal line of revolution to provide for more uniform distribution of stress in the structural sheet. There is also provided a novel t...
09/14/1993
5204161Fabrication of panel structure
The structure and process for making a metallic panel structure from a plurality of core panels each comprised of a pair of sheets of superplastic material welded together along a plurality of weld lines. The core panels are joined together, with the weld...
04/20/1993
5051294Catalytic converter substrate and assembly
A substrate for a catalytic converter is formed of steel sheets embossed with corrugations in a chevron pattern such that the metal buckles at vertices of adjoining corrugations to form projections extending out of the plane of the sheet. The sheets are s...
09/24/1991
5028474Cellular core structure providing gridlike bearing surfaces on opposing parallel planes of the formed core
A three-dimensional structure adapted for use for instance as a core in sandwich panel-type construction, and comprised of substantially continuous unbroken sheet material to which has been imparted an alternating sequence of ridges and valleys, creating ...
07/02/1991
5008140Biaxially corrugated flexible sheet material
A flexible biaxially corrugated sheet material is formed from a plurality of identical trapezium segments which are arranged in a plurality of long strips a single segment wide. Adjacent strips are mirror images of each other and connected along adjoining...
04/16/1991
4965138Structural panel
Disclosed herein is a cast or molded structural panel having two plates or sheets integrally joined to an intermediate zone. The intermediate zone is formed either of a cross corrugated panel or a double tray structure between the plates. The cross corrug...
10/23/1990
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