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5449109 |
Method for superplastic forming by internal pressure
A high gas pressure material capable of producing 50-300 psi gas pressure at forming temperature is placed in an enclosed area surrounding and sealing the blanks to be superplastically formed,...
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5447668 |
Method and apparatus for eliminating fiber distortions and separations in metal matrix materials
Apparatus and a method are disclosed for eliminating fiber distortions ("fiber swimming") and separations ("fiber fish eyes") via a premliminary step taken prior to consolidation of "green",...
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5445002 |
Fill and pressurization apparatus
Fill and pressurization apparatus having a sectional fluid conductor having a first section fixed relative to the surroundings, and a second section which moves toward the first section to form an...
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5443785 |
Method of treating seamless belt substrates and carriers therefor
A seamless substrate is elastically stretched over a hollow cylindrical porous mandrel having a thermal expansion coefficient not greater than the thermal expansion coefficient of the substrate by...
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5435163 |
Apparatus for hydraulically shaping a hollow body
An apparatus for hydraulically shaping a hollow body has a stationary base, a die fixed on the base and formed with a cavity having an inner surface and axially oppositely open ends so that a...
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5431326 |
Method of forming a tubular member with separate flange
A hydroformed vehicle body component has an attachment flange or the like-formed as an integral part of the hydroforming process. For a given flange shape, a parting plane for the dies is...
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5423123 |
Method of making impingement/film cooling panels
A method for making a cooling system for reducing the temperature of an exhaust-impinged structural panel includes an upper, primary cooling panel having boundary layer film-forming openings...
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5419171 |
Isostatic bulge forming
A method and apparatus are provided for isostatically bulge forming tube stock. The tube is assembled in sealing arrangement with a split die. The assembly is placed in a pressure vessel wherein an...
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5419170 |
Gas control for superplastic forming
A gas management system for delivering forming gas under a controlled pressure through a first portion of a piping network to a region of a forming die between a die lid and a blank to be formed in...
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5400630 |
Method for producing regenerated cylinder, method for producing regenerated electrophotography photosensitive drum employing the method, and bulging apparatus for the methods
Flanges used in a photosensitive drum to be regenerated are assembled in a regenerated electrophotography photosensitive drum employing a regenerated cylinder having a diameter enlarged by...
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5398533 |
Apparatus for piercing hydroformed part
An apparatus for in-die piercing of a tube as it is hydroformed creates a sharp edged, non countersunk hole, while sealing against pressurized fluid loss and ejecting the slug cleanly from the...
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5398410 |
Method of making a superplastically formed structure having a perforated skin
A perforated sheet is diffusion bonded to a thin solid sheet. Each of the perforations of the perforated sheet is tapered, having a maximum diameter at the surface that is not bonded to the thin...
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5396786 |
Machine and method for manufacturing crossover fittings
A machine for forming a metallic tubular section in which the tubular section is located, retained, has at least one end formed, filled with fluid that is then pressurized within the tube section,...
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5392516 |
Method for forming a spool valve sleeve
A valve sleeve is made from a tube having smooth inner and outer diametri surfaces by forming a shallow channel on the tube so that a channelled region of the tube is thinner than other regions of...
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5372026 |
Apparatus and method for hydroforming sheet metal
A self-contained apparatus for forming metal sheet is adapted for operation within a standard double action press having a base and outer and inner vertically reciprocating slides and includes a...
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5361617 |
Device for drawing sheet material on a drawing die composed of elastically yieldable material
The device having a die formed by a cushion (2) composed of an elastically yieldable material, such as for example an elastomer, disposed in a retaining box (1), a mechanism for predrawing a sheet...
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5345857 |
Thermoplastic bellows and method of forming the same
A bellows for use in fluid control devices includes a head, a shoulder, a blind hole extending from an opening in the shoulder to the head, and a hollow compressible neck between the head and the...
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5339667 |
Method for pinch free tube forming
A method of forming an elongated box shape tubular frame member from a round tube includes the steps of: providing a lower die member having a cavity submerged substantially below the top surface...
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5321964 |
External seal device for tube hydroforming
A seal device for a hydroforming press includes a housing having a bore and a seal carrier slidable within the housing bore. The seal carrier has a bore which fits closely outside of the end of...
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5322662 |
Method for making a dispensing package including blow molding and inserting a spout
A dispensing package includes a bottle, made of a blow-moldable plastic and having a neck finish, a pouring spout and a closure. An undercut groove in the interior of the neck finish holds a bead...
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5303570 |
Hydrostatically deforming a hollow body
A hollow workpiece having a tubular end portion is deformed by first fitting the workpiece into a die formed with a cavity adapted to receive the workpiece with the end portion of the workpiece...
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5302338 |
Method for hooping and maintaining in compression a core by a sheath made of a composite material
A method for hooping and maintaining in compression a core by a sheath, with the sheath being made of a composite material and having an internal cross section which is less than an external cross...
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5272898 |
Device for stamping materials in sheet form, especially sheet metal blanks
A device is provided for stamping materials in sheet form, especially sheet metal blanks (5), on a single-acting press. The device includes a cushion (2) made from an elastic material, forming a...
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5255550 |
Device for drawing sheet materials in particular sheet blanks
A device is provided for drawing sheet materials, in particular, sheet blanks. The device includes a cushion of elastic material disposed in an enclosure, a die for forming the sheet blank, the die...
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5233854 |
Press apparatus for hydroforming a tube
An upper die mounted on the upper bed of the press and a lower die mounted on the lower bed of the press mate with one another upon lowering of the upper bed. A mounting plate is spring mounted on...
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5233855 |
Polymeric anti-extrusion rings for elastomeric swaging
Polymeric anti-extrusion rings are provided for internal cooling of a drawbolt swaging apparatus. One such ring is located on either side of an elastomeric expansion sheath on a drawbolt. There...
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5209093 |
Apparatus for superplastic forming of large cylindrical structures
An SPF press is capable of forming large generally cylindrical structures from a sheet made of a first metal such as Titanium. The sheet is first rolled into a cylindrical or conical part blank....
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5197188 |
Process for producing assembled crankshafts by expanding sleeves arranged in divided journals
In the case of this process, the crankshaft is assembled from individual formed pieces each comprising a crank web and two journal projections. Journal parts belonging together are slid onto a...
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5195240 |
Method for the manufacture of thermoplastic panel heat exchangers
A method for the manufacture of panel heat exchangers from thermoplastic polyamides. At least one sheet is coated with a coating that facilitates bonding of the polymer to itself under the...
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5187962 |
Apparatus and method for reshaping containers
An apparatus for reshaping a container includes a mold of the split type. The container has a body member, a closed lower end member and a cone-shaped open upper end member. The mold has a pair of...
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5144825 |
Elevated temperature envelope forming
Elevated temperature envelope forming includes enclosing a part blank and form tool within an envelope sealed against the atmosphere, heat treating the combination while forming pressure holds the...
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5131969 |
Method of making a thin film optical quality aspheric surface generation using x-rays
A method is disclosed for providing an optical quality aspheric surface f a thin film metalized elastic membrane by treating the membrane with x-rays to cause the elasticity of the membrane to be...
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5115654 |
Expansion apparatus having three borehole-channel systems
A process for allowing the attachment of drive or coupling elements, such as cams, gears, crank webs or bearing elements, such as friction bearing bushes, or complete roller bearings on tubes or...
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5109726 |
Camshaft with barrel-shaped shank
A camshaft, especially for high-power internal-combustion engines, has bearing points and cams consisting of a base circle and a cam face. The bearing points and cams are connected to one another...
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5107693 |
Method of and apparatus for hydraulically deforming a pipe-shaped hollow member
A die (2) formed of two halves (4, 5) is placed in a container (7) filled with an incompressible liquid. The die halves have a plane of contact disposed in parallel relation with and spaced from...
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5101554 |
Process for producing an assembled camshaft as well as assembled camshaft consisting of a shaft tube and slid-on elements
In the production of an assembled camshaft slid-on elements, such as control cams, bearing rings, gear wheels or bevel gears, are placed on an axially extending shaft tube. The slid-on elements are...
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5099573 |
Method of making hollow articles
A method of making a hollow article, for example, a hollow airfoil, from first and second preformed sections involves a first precursor (seal) bonding step where a low external pressure and...
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5097689 |
Process for manufacturing hollow one-piece metal elements
A process for producing hollow one-piece elements having a highly curved lateral wall from metal, in particular copper or copper alloy, pipes. A cylindrical pipe is widened via permanent...
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5081859 |
Device for pressing sheet material on an elastic forming die
Pressing sheet material with a device comprising a cushion (6) composed of an elastic material, comprising disposing a sheet blank (3) to be formed on a support constituting a lower peripheral...
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5076085 |
Apparatus for forming a metallic unit having a concave portion bounded by a peripheral edge
Each of the metallic units has a concave portion bounded by a peripheral edge which has a predetermined shape. The apparatus includes an upper member and a lower member and a tool is adapted to be...
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5076975 |
Production of radiation cured elastomer coated passive restraint device
An elastomer-coated fabric for use as a confinement. The confinement is formed by conforming a fabric to a mold having the shape of the desired confinement, and subsequently applying a layer of...
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5070717 |
Method of forming a tubular member with flange
The method of forming a flanged tubular member is accomplished by sizing the tubular blank to the largest cross section circumferential measure of the desired end product and then using a...
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5067336 |
Device for pressing sheet material
Device for pressing sheet material blanks, in particular sheet metal blanks (10), comprising a cushion (2) composed of an elastic material disposed in a retaining box (1), an arrangement for...
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5022135 |
Method of manufacturing a fluid conduit having exterior detail
A method for fabricating metallic conduit and the like having exterior surface details such as beads, bulges and flares by inelastic flow of the metal of an extruded blank which does not exhibit...
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5016457 |
Method of forming metal
A method and apparatus for the high energy rate forming of metal. A mold (11) of cage-like construction and of the shape to which the sheet metal is to be formed is lined with sheet metal and a...
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5016458 |
Method and device for pressing sheet material with a deformable punch under a ram
Method for pressing sheet material, in particular sheet metal, on a press by way of a cushion (12) composed of an elastic material, comprising disposing a sheet blank (20) to be formed on a support...
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5007165 |
Method of producing a cam shaft
A method of producing a cam shaft or a similar member that has a core pipe upon which are secured, via expansion of the core pipe, components that are spaced from one another and have a precribed...
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5000029 |
Elastoforming die/form block comprising low-hardness silicone elastomer
Resilient, crosslinked silicone elastomers shaped as elastoforming dies or form blocks for the stamping of sheet material workpieces, e.g., ultra-thin sheet metal, and well adopted for applications...
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4994225 |
Production of passive restraint device
An elastomer-coated fabric for use as a confinement. The confinement is formed by conforming a fabric to a mold having the shape of the desired confinement, and subsequently applying a layer of...
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4984732 |
Method of superplastically forming and diffusion bonding a laminate assembly
A method is provided for achieving predetermined thickness requirements throughout a superplastically formed structure having extreme contours. A laminate assembly of sheets of a metal capable of...
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