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7934300 |
Method for producing expanded metal profiles
A method for producing expanded metal profiles, consisting of subjecting a metal strip of width less than the development of the profile to be produced to the following operations: —forming l...
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7919027 |
Methods and devices for manufacturing of electrical components and laminated structures
A method and device for manufacturing of electrical components on a continuous web or discrete sheets of dielectric material are disclosed. The method includes feeding, from a supply roll of a...
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7866042 |
Method for producing a split louver heat exchanger fin
A method of manufacturing serpentine fins for assembly between tubes in a heat exchanger core. The method includes providing a flat metal strip and forming in the strip, multiple rows of split...
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7757530 |
Planographic printing plate manufacturing apparatus
The present invention provides a planographic printing plate manufacturing apparatus comprising: a cutting process section which cuts a web in a thickness direction of the web by pinching the web...
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7735205 |
Expanded metal machine and method of producing expanded metal
Expanded metal machine includes a stationary knife and an adjustable knife which is adjustable in a vertical direction and a transverse direction. The adjustable knife includes a cutting edge with...
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7472573 |
Tooling assembly
A tooling assembly 10 having a first set of blades which are formed from a first material and a second set of blades which are formed from a second material and which may be used to perform a...
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7228720 |
Rotary apparatus and method
A rotary apparatus having a first rotating die assembly and a second rotating die assembly arranged in juxtaposition with one another on respective first and second sides of a strip work piece...
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7096703 |
Method for making a three-dimensional metal structure
The invention provides a method of making a three-dimensional metal structure, the method being characterized by the following steps: making longitudinal cuts in a sheet metal strip by causing the...
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7069758 |
Metal stud punch system and a method of manufacture
A portable metal stud punching system has an alignment frame with an infeed alignment port in a first side and an outfeed alignment port in an opposite side. There is a punch and die positioned...
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6874345 |
Serpentine fin with extended louvers for heat exchanger and roll forming tool for manufacturing same
A heat exchanger comprising at least one row of flattened tubes through which a heat exchange medium may pass. A serpentine fin 10 disposed between adjacent flattened tubes has relatively straight...
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6782727 |
Method and system for support and/or transport of a wire
The present invention relates to a method of and a system for carrying out at least one operation on at least one wire(1) in a wire forming manufacturing machine, said operation involving...
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6662614 |
Tool and its finishing method of surface for center fin member of air conditioning apparatus for vehicle
A tool and its finishing method of surface for center fin member of an air conditioning apparatus for a vehicle. The tool includes a plurality of fin blades each having a circular cutter shape and...
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6662615 |
Method to reduce air center middle margin turnaround for folded tube applications
An improved air center form roll for use in combination with a like form roll to produce an accordion-like folded fin for a heat exchanger core, the form roll being of the type comprising a...
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6546774 |
Method of making a lanced and offset fin
Slow production speeds in the manufacture of lanced and offset fins for use in heat exchanger tubes are eliminated through the use of a method of forming the fins involving a plurality of roll...
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6453711 |
Flat turbulator for a tube and method of making same
A tube and turbulator and method of making the same for a heat exchanger including a base, a top spaced from and opposing the base, a first side interposed between the base and the top along one...
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6430983 |
Method for manufacturing corrugated fin
A plurality of louvers are formed symmetrically on the two sides of the width-direction central portion of the inclined portion of a corrugated fin, and include, one-side louvers, which are formed...
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6167601 |
Method for manufacturing ventilated sheet-metal floor members
A method of manufacturing interlocking sheet metal floor members for use in a grain storage bin or like application requiring passage of fluid through the floor members without permitting passage...
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6145363 |
Forming machine for metal strips, in particular for the manufacture of plates for electrics accumulators
Forming machine for metal strips, in particular for the manufacture of plates for electric accumulators, comprising moving means (2, 3) designed to convey a continuous strip (10) through an...
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6032503 |
Method and apparatus for roll forming a plurality of heat exchanger fin strips
A method and apparatus are provided for roll forming a plurality of fin strips (10) from a single elongated strip of sheet material (20). The strip (20) includes a pair of adjacent, longitudinal...
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5896635 |
Apparatus for forming expanded mesh
An apparatus for gripping, guiding and transporting opposite longitudinal side edges of slit, deformable strip for forming expanded mesh sheet. One chain of each of two pairs of opposed endless...
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5722280 |
Two stage die set
A two stage die set for sequentially blanking an opening in a work piece, and thereafter forming edges of the work piece around the opening and having a male die assembly, having a male blanking...
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5682784 |
Roll forming tool for manufacturing louvered serpentine fins
A roll forming tool for manufacturing louvered serpentine fins. The tool has a plurality of fin blades each having a predetermined size and shape. Each of the blades has a plurality of cutting...
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5609075 |
Razor blade manufacture
A process for manufacturing razor blades from a continuous strip of metal stock by stamping a plurality of openings in the strip for precise registry of the blade edge when employed in the razor...
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5588319 |
Method and apparatus for making heat exchanger fins
A method and apparatus for forming a strip of fins with louvers comprising providing fin forming rolls comprising stacked carbide plates having rolling and cutting edges forming fins with louvers,...
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5575065 |
Tube slitting traveler
A tube traveler and slitter for extracting a tube from a heat exchanger tubesheet and slitting the tube longitudinally into two segments includes two spaced apart deforming rolls having a nip...
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5509288 |
Forming roller for corrugated fin
Forming rollers having a tooth tip concave portion at the tip of a tooth tip portion, a tooth bottom convex portion at a bottom of a tooth bottom portion and louver cutter at an oblique line...
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5375446 |
Rotary expanded grid cutter and related process
In a method of forming expanded metal mesh from a deformable strip which includes the steps of preforming and slitting the strip by intermeshing tooth segments of at least an upper disk and a lower...
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5359873 |
Fiber for reinforcing concrete or similar materials made of wire of a flat material strip and device for manufacturing such fibers
A fiber for reinforcing concrete is manufactured from wire or flat bands and has a linear center section and a first intermediate section connected to the first end of the center section and a...
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5327767 |
Press working apparatus
A press working apparatus has a press machine provided with a pair of press dies. The press machine presses a preheated metal slab being transferred in a feeding direction with the press dies...
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5176020 |
Method for manufacturing a corrugated fin and a shaping roll apparatus therefor
A plurality of toothed molds are formed on the respective outer peripheral surfaces of first and second rolls for shaping a fin material, each of the toothed molds having ridges extending parallel...
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5150596 |
Heat transfer fin with dammed segments
A flat tube and fin heat exchanger comprises a plurality of tubes arranged in spaced parallelism and a plurality of louvered fins are located between each of the tubes in heat exchange relationship...
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5105643 |
Method of and apparatus for making perforations in spacer frames for use in multiple-pane windows
That wall of a hollow metallic spacer frame between two spaced-apart parallel window panes separates a supply of partly granular and partly pulverulent desiccant in the interior of the frame from...
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4888972 |
Process and apparatus for the manufacture of radiator cooling fins
Apparatus for corrugating a length of strip metal to form a series of zig-zag folds in the strip has counter rotating forming dies for forming a series of equally spaced apart impressions in the...
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4865603 |
Metallic prosthetic devices having micro-textured outer surfaces
A prosthesis for implantation in bone is provided which comprises a metal body having an outer surface at least a portion of which includes: (a) a plurality of first recesses, each of the first...
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4669290 |
Apparatus for forming a baffle
A machine for creating louvers in piping or tubing which is supported from within and rotated about its longitudinal axis by a driving force. The louvers are created by a toothed die wheel and a...
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4621511 |
Method and apparatus for forming loosely connected articles
A punch and shear machine (27) has a pair of rotary punch drums (35, 36) succeeded by a pair of rotary shear drums (38, 39). The machine (27) receives a strip of sheet material (31) and forms in...
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4593446 |
Method of manufacturing a fluid flow restrictor
The method of providing an order of magnitude manufacturing cost reduction in the manufacture of fluid flow restrictors by employing components produced by punch press stamping operations. The flow...
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4532788 |
Apparatus for making spine fin stock
Apparatus for producing spine fin material of the type employing counter-rotating toothed cutter rolls to transversely slit ribbon stock. The apparatus includes a positive gear drive for...
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4464920 |
Machine for roller forming metal louvers
Disclosed is a roller forming machine for converting a flat metal strip into a louver having long, narrow fins that extend lengthwise of the strip and are all bent laterally in one direction...
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4434638 |
Method and apparatus for severing corrugated metal products
A method and apparatus is described for use in combination with a machine for corrugating a continuous strip of flat sheet material which prepares the sheet material for separation into sections...
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4429559 |
Strip processing apparatus
A recirculating strip processing apparatus is described comprising a recirculating stripper chain, a recirculating tool chain, a recirculating carrier follower chain and a recirculating die chain...
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4418558 |
Method of manufacture of ventilated sheet metal floor members
Multi-aperture ventilated floor members, for use in a grain bin or like applications, are formed from continuous sheet metal strip stock, complete, in one pass through a cold roll forming machine,...
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4362039 |
Apparatus and method for producing foldable metal drape panels
A machine for producing metal drape panels having integral male and female hinge means formed therein at preselected intervals and a preselected cross-sectional profile. A first machine and method...
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4346576 |
Apparatus for severing corrugated metal products
A method and apparatus is described for use in combination with a machine for corrugating a continuous strip of flat sheet material which prepares the sheet material for separation into sections...
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4317351 |
Methods of and/or apparatus for punching holes in sheet metal
A machine for punching holes in sheet metal has a punch roller carrying a plurality of punches and a back up roller having a groove therein which has a bottom at a predetermined depth in the back...
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4315356 |
Forming expanded mesh sheet from deformable strip
A method and an apparatus are disclosed for forming expanded mesh sheet from deformable strip by the steps of concurrently slitting and preforming the strip to provide transverse bands of slit and...
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4297866 |
Asymmetrical shaping of slit segments of meshes formed in deformable strip
A method of forming elongated slit segments in deformable strip includes concurrently slitting and preforming the strip by intermeshing substantially convexly shaped tool surfaces each having a...
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4291560 |
High-production method for making grooved resistance ribbon for electrical heating coils
A high production method and apparatus by which flat, ribbon-like resistance wire stock is fed between male and female die rolls to produce ribbed or grooved strips which can be spiral wound into...
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4280352 |
Apparatus for forming corrugated sheet material
Apparatus for forming corrugated sheet material includes coacting rolls (10,11) by which material having corrugations with crests and intervening flanks is formed. The crests are closed up to one...
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4210009 |
Reinforcement fibres
Fine fibres of steel for use as concrete reinforcement are produced by longitudinally slitting continuous steel strip to form narrow strip segments and severing the strip segments at intervals...
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