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| Number | Title | Issue Date |
| 8082770 | Apparatus and method for forming wire loops for a dynamoelectric machine An apparatus and method for forming at least one end turn and at least one stator slot segment of a conductor for a stator of a dynamoelectric machine comprising at least two forming die sets. The forming die sets are disposed having a space substantially equal to a... | 12/27/2011 |
| 7779663 | Finished product receiving rack of a corrugated metal sheet member fabrication system A finished product receiving rack used in a corrugated metal sheet member fabrication system for receiving finished products in which two guardrails with protective members are arranged in parallel along the length of the rack body to guide delivering finished produ... | 08/24/2010 |
| 7640776 | Expanded metal machine Expanded metal machine includes a fixed blade, a displaceable blade, displaceable in a vertical and a transverse direction and which has a cutting edge with cutting projections interspaced in the transverse direction. Conveying device for conveying a flat material i... | 01/05/2010 |
| 7487658 | Device for sheet material corrugation The invention can be defined in its most general form as a device for sheet material corrugation by means of bending and can be used in production of light core for sandwich panels, and elements of heat-exchange apparatus. The device includes the pivotedly connected... | 02/10/2009 |
| 7415860 | Method and apparatus for pressing sheet material An upper mold member 32 having an upstream upper punch 32a, an upper recess portion 32b and a downstream upper punch 32c that are serially arranged, from a feed upstream side of a sheet material W and a lower mold mem... | 08/26/2008 |
| 7363797 | Process for producing corrugated plate and device for producing corrugated plate A device and a process for producing a corrugated plate having a plurality of bent-into-contact portions extending in parallel on one face of a metal plate employs a number of steps. A first pressing step sequentially molds a plurality of U-shaped bent portions in t... | 04/29/2008 |
| 7360386 | Sweep unit assembly The subject invention discloses a sweep unit assembly having a series of stations defining a path for an elongated article. A cradle is coupled to each of the stations. The stations are movable to introduce a first curve into the path and the article and each of the... | 04/22/2008 |
| 7357012 | Methods and assemblies for bending strands of material A method for bending strands of material. The method includes providing a first pair of opposing dies each comprising a first surface corresponding to a first pair of predetermined bends to be formed in a first strand of material, positioning the first strand of mat... | 04/15/2008 |
| 7340935 | Equipment for producing corrugate fin The equipment for producing a corrugate fin is capable of forming corrugated sections by one closing action. The equipment comprises: a plurality of punches respectively having projections, each of which is upwardly projected from an upper face of the punch and has ... | 03/11/2008 |
| 7313941 | Corrugated sheet member bending machine A corrugated sheet member bending machine is disclosed to include a base frame, a housing pivotally supported on the base frame and turnable within 90-degrees to fit different workpiece insertion angles and different workpieces, a set of drive rollers mounted on a w... | 01/01/2008 |
| 7272968 | Device for shaping corrugated fin The configuration comprises a shaping member 3 having a substantially rectangular shape and shaping the inner surface side of a bent portion 1b, a worm gear 2 slidably linked with the shaping member 3 and gradually reducing the dis... | 09/25/2007 |
| 7269988 | Bending machine A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted o... | 09/18/2007 |
| 7210324 | Process and apparatus for producing an ordered packing The invention relates to a process and an apparatus for producing a profiled sheet, in which the sheet is provided with a corrugation which runs obliquely with respect to the edges of the sheet and has a substantially constant angle of inclination. At least one edge... | 05/01/2007 |
| 7194887 | Press for holding and pressing a workpiece The press of the invention includes a first component and a second component for holding and pressing a workpiece to be processed between them, the first component being driven into translation relatively to the second component by an air cylinder. Thus, the first c... | 03/27/2007 |
| 7178374 | Press forming apparatus for fuel cell metal separator A press forming apparatus, for metal separators for fuel cells, has a pair of peripheral portion holding dies which hold a peripheral portion of a material and are movable toward and counter to each other; a pair of intermediate portion forming dies for forming a in... | 02/20/2007 |
| 7147050 | Recuperator construction for a gas turbine engine A counter-flow recuperator formed from annular arrays of recuperator core segments. The recuperator core segments are formed from two opposing sheets of fin fold material coined to form a primary surface zone disposed between two flattened manifold zones. Each prima... | 12/12/2006 |
| 7127930 | Device and method for press forming A pressing apparatus includes a lower die (24) fixed to a lower plate (11), and first and second plate (11), and first and second upper die punches (33 and 34) capable of being lifted and lowered along with an upper plate (12 | 10/31/2006 |
| 7085625 | Control system for baling machine A control system for a bulk material baler embodied in a machine readable data structure and including an instruction to a moveable guide track to move from a removed position to a closed position to create a guide track loop around a volume of bulk material to be b... | 08/01/2006 |
| 7080540 | Forming tool for forming the undulating heat exchanger surfaces of a heat exchanger via cold bending of a sheet and a method for the realization of the forming profile of such a tool This invention is a device for forming heat exchange elements with corrugated heat exchange surfaces, more particularly inserts, made of a sheet in a formable material, such as metal, between two surfaces, each thus presenting a corrugated profile. This devic... | 07/25/2006 |
| 7073364 | Die assembly having floating die section A die assembly for use on a press and adapted to form a plurality of features on a strip of material. The die assembly includes a first die section and a second die section. The first die section is supported on the press and has a first tooling surface for forming ... | 07/11/2006 |
| 7065873 | Recuperator assembly and procedures A construction of recuperator core segments is provided which insures proper assembly of the components of the recuperator core segment, and of a plurality of recuperator core segments. Each recuperator core segment must be constructed so as to prevent nesting of fi... | 06/27/2006 |
| 7040001 | Metal encaustic tile making machine A metal encaustic tile making machine includes a machine base, a corrugation forming roller unit controlled to corrugate a continuous sheet of metal sheet material into a corrugated metal sheet, an angle forming unit controlled to stamp the corrugated metal sheet in... | 05/09/2006 |
| 7024907 | Method and device for manufacturing a structured packing corrugation, and corresponding fluid-treatment apparatus A folding-pressing operation is carried out on the strip (17) in successive steps, by means of two opposed dies (11,12) with a relative movement alternating between coming together and moving apart, these dies having active surfaces (11,12) whic... | 04/11/2006 |
| 7000443 | Apparatus and method for folding a sheet material Apparatus and method for folding a sheet material, preferably an electrode sheet, into a fan-fold orientation. A securement means secures a portion of the sheet material to a rotatable plate in a plane parallel to the rotatable plate. A rotatable releasable clamp se... | 02/21/2006 |
| 6976378 | Bending machine A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted o... | 12/20/2005 |
| 6975911 | Operator input interface for baling machine An operator interface for a control system for a bulk material baler includes interface means such as a touch screen or keyboard for an operator to enter process parameters into a control system memory. A display shows process parameter fields into which an operator... | 12/13/2005 |
| 6957558 | Encaustic metal tile fabrication equipment An encaustic metal tile fabrication equipment includes a roller unit operated to roll an encaustic metal sheet into a corrugated encaustic metal sheet, a shape forming mechanism having a first shape forming mold unit and a second shape forming mold unit and operated... | 10/25/2005 |
| 6935997 | Patterning technology for folded sheet structures The present invention supplies practical procedures, functions or techniques for folding tessellations. Several tessellation crease pattern techniques, and the three-dimensional folded configuration are given. Additionally several new forming processes, including ma... | 08/30/2005 |
| 6840080 | Press-forming apparatus A press-forming apparatus comprises a pair of press-forming units detachably secured to movable and stationary units facing each other, respectively. A metallic material is subjected to a press-forming through the press-forming units and then discharged therefrom as... | 01/11/2005 |
| 6834525 | Adjustable corrugation apparatus and method An apparatus and method for forming corrugated contours in a sheet are provided. The apparatus includes at least three pairs of elongate dies that extend in a longitudinal direction. Each pair of dies is generally parallel and defines a nip therebetween so that the ... | 12/28/2004 |
| 6675618 | Method for manufacturing heat transfer member A method for manufacturing a heat transfer member comprises the step of subjecting material to be worked, which is made of a metallic thin sheet, to a press forming utilizing upper and lower molds of a press-forming devices to form the material to be work... | 01/13/2004 |
| 6591647 | Method for manufacturing a corrugated fin for a plate-type heat exchanger and device for implementing such a method A method of manufacture includes the steps of making perforations using a perforating tool in a flat product before it is bent; making bends using a bending tool in the perforated flat product; detecting the position of a perforation on the corrugation; a... | 07/15/2003 |
| 6557389 | Machine for corrugating metal foils A machine for corrugating a metal foil strip includes a form gear having identical cavities along its perimeter that is driven intermittently by an electronically controlled rotary servomotor to index successive cavities to a forming station. During each ... | 05/06/2003 |
| 6502447 | Device and method for manufacturing turbulators for use in compact heat exchangers A progressive die for forming a turbulator having multiple rows of axial corrugations. The corrugations are slit and offset such that artificial turbulence is generated as it passes through the corrugations. The device includes a plurality of dies dispose... | 01/07/2003 |
| 6497131 | Apparatus for stepwise bending of sheet metal pieces or similar material An apparatus for stepwise bending of sheet metal strips into trapeze-shaped pieces comprises a vice set on each side of a press punch and opposed lower-side pressure cylinder arranged to grip a central portion of the metal strip and deform it in a vertica... | 12/24/2002 |
| 6474124 | Cold steel cambering apparatus and method A cold steel cambering apparatus and method of use, the apparatus comprising, a cambering assembly having a forward-most end and a rearward-most end and therebetween a plurality of adjustable beam guides, each having means to restrain lateral movement of ... | 11/05/2002 |
| 6354130 | Method for bending a corrugated sheet A method for bending a corrugated product, such as composite decking, building panels, or the like. With the method being easily performed by any workman on the job site, and the only tools needed are a saw and a hammer. Also this method allows the workma... | 03/12/2002 |
| 6164107 | Radius crimping tool A crimping tool capable of forming a uniform series of deformations or crimps on a workpiece, such that at least a portion of the workpiece can be modified to acquire an arcuate shape with a predetermined radius. The crimping tool includes a pair of arms ... | 12/26/2000 |
| 6021657 | Method and apparatus for forming a wave curb for milking parlor Wave curb for the cow stand of a diagonal or herringone milking parlor is formed of an elongated sheet metal strip. The side edges are each bent over about 180 degrees to form unitary beads on the side edges. The strip is bent in alternate curves in the l... | 02/08/2000 |
| 6000270 | Collimator having tapered edges and method of making the same A method of making a collimator having a generally honeycomb shape made from sheets of thin metal. The sheets are deformed using a progressive form die assembly into what may be termed truncated pyramids alternately inverted with top and bottom major flat... | 12/14/1999 |
