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| Number | Title | Issue Date |
| 7875216 | Powder dispenser, notably for pelletizer and method for making nuclear fuel pellets The object of the present invention is mainly a powder dispenser including a casing capable of impulsing the powder in a reciprocal movement on a plane along a determined displacement direction (X), and means (19,23) for grouping the powder along distinct axe... | 01/25/2011 |
| 7409883 | Balanced power axoid mechanism and axoid press The inventive axoid mechanism and axoid press relate to mechanical engineering, to devices for converting power and speed parameters of linear motions and are based on power axoid mechanisms whose friction is eliminated by the substitution of a sliding motion with a... | 08/12/2008 |
| 7407376 | Compression molding apparatus Apparatus for compression molding plastic articles includes a plurality of molds mounted for travel around a first axis. Each mold includes an upper mold section and a lower mold section, with at least one of the upper and lower mold sections being moveable in a non... | 08/05/2008 |
| 7381047 | Mold A mold capable of preventing deterioration of the mold even when a material for spherical members is harder than that for the mold, and capable of aligning the center axis between an insert member and a body member thereof with high accuracy even when a pressure of ... | 06/03/2008 |
| 7368075 | Impact machine and a method of forming a body The invention concerns an impact machine for forming a body with desired shape of a formable working material through impact action in a forming operation, said impact machine comprising a machine stand (6), an upper unit which comprises either a lower impact... | 05/06/2008 |
| 7344370 | Device and method for assembling mold for forming plastic lens A device (20) for assembling a plastic-lens-forming casting mold includes a gasket clamping mechanism (22) which clamps a gasket (2) from its axial direction, a first mold push-in mechanism (23) which pushes in an upper mold (3) fi... | 03/18/2008 |
| 7311504 | Apparatus for and method of transforming useful material into molded or extruded articles A material handling exit section in the nature of a material extruder and mold combination for shaping the material exiting a hydrolyzer, comprising an extrusion chamber and a plunger assembly attached to the extrusion chamber and further including a working cylinde... | 12/25/2007 |
| 7306441 | High pressure crystal growth apparatuses and associated methods High pressure synthesis of various crystals such as diamond, cBN and the like can be carried out using reaction assemblies suitable for use in methods such as temperature gradient methods. The reaction assembly can be oriented substantially perpendicular to gravity ... | 12/11/2007 |
| 7255550 | Press-molding mold A press-molding mold includes a first mold (10), a second mold (20), a complementary element (30) arranged between the first mold (10) and the second mold (20), a washer (40) arranged between the second mold (10) and ... | 08/14/2007 |
| 7252495 | Press-molding mold A press-molding mold includes a first mold part (10), a second mold part (20), a bushing (40), a first latching pin (50) and a second latching pin (70). The second mold part (20) defines a longitudinal central axis (21 | 08/07/2007 |
| 7235201 | Split die and method for production of compacted powder metal parts A device to compact parts out of powder material including a top die and a bottom die movable with respect to each other from an open position to a closed position, at least one punch associated with each of said dies for relative movement between the die and associ... | 06/26/2007 |
| 7231799 | Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel The invention relates to a method and an apparatus for producing a workpiece with internal toothing, especially an internal geared wheel, by using a cup shaped preform (N) with a substantially cylindrical side wall (N1) and a mandrel (5) with an extern... | 06/19/2007 |
| 7229263 | Pressing device for manufacturing of shaped compacts from pulverized material The present teachings describe various aspects of a pressing device for manufacturing of shaped compacts from pulverized or granulated material. In one aspect, the pressing device includes a frame structure, which, via a lower connection device adapter-like, can be ... | 06/12/2007 |
| 7214046 | Ceramic center pin for compaction tooling and method for making same The present invention is a method and apparatus for the production of compacted powder elements. More specifically, the present invention is directed to the improvement of tooling for powder compaction equipment, and the processes for making such tooling. The improv... | 05/08/2007 |
| 7147452 | Method and system for fabricating structural building blocks A block forming apparatus comprises a frame, a compression case and compression bodies. The compression case is movably engaged with the frame in a manner enabling movement of the compression case along a longitudinal reference axis of the compression case. The comp... | 12/12/2006 |
| 7140866 | Self-alignment stage for compression-forming machines A self-alignment stage for compression-forming machines, which self-aligns an upper surface of a lower mold seated on an inner frame, thus compensating for a relative pose error of the lower mold with respect to an upper mold when the material is compression-formed ... | 11/28/2006 |
| 7140861 | Compliant hard template for UV imprinting A compliant UV imprint lithography template, which may also act as a thermal implant template, and methods for manufacturing it. The template essentially comprises a relief image and an elastomer adapted to adjust the relief image. In an embodiment, the relief image... | 11/28/2006 |
| 7132072 | Method for producing multi-cored molded article To manufacture a multi-core press-coated molded product efficiently and in a single step from molding materials, namely, powder or granular particles, a punch has been devised that is characterized in that the punch, consists of a center punch whose tip portion is s... | 11/07/2006 |
| 7128547 | High pressure split die and associated methods An improved high pressure apparatus can include a plurality of complementary die segments. The die segments can have inner surfaces which are shaped to form a die chamber upon assembly of the die segments. A pair of anvils can be oriented such that an anvil is at ea... | 10/31/2006 |
| 7056111 | Powder press forming apparatus and method of powder press forming A dry forming apparatus includes a carrying table (mold-transfer mechanism) which transfers a mold containing a die and punch units at least between a powder supply stage, a pressing stage, and a formed-product removing stage, a pressing driving mechanism which driv... | 06/06/2006 |
| 7037465 | Powder compacting method, powder compacting apparatus and method for producing rare earth magnet A powder compacting method includes the steps of: providing a powder material; loading the powder material into a cavity; uniaxially pressing the powder material, which has been loaded into the cavity, between two opposed press surfaces, thereby obtaining a compact,... | 05/02/2006 |
| 7033156 | Ceramic center pin for compaction tooling and method for making same The present invention is a method and apparatus for the production of compacted powder elements. More specifically, the present invention is directed to the improvement of tooling for powder compaction equipment, and the processes for making such tooling. The improv... | 04/25/2006 |
| 7018194 | Powder supplying apparatus and powder molding apparatus A powder molding apparatus comprises a mold comprising a die having a powder molding space and upper and lower punch units, and a compression driving mechanism for performing compression molding by driving the upper and lower punch units independently, wherein molde... | 03/28/2006 |
| 7001166 | Arrangement of a die-plate of a hydraulic press An arrangement of a die-plate of a hydraulic press to press powdered material into shape wherein an upper ram and a lower ram interact with a bore of the die-plate wherein the die-plate is supported via vertically arranged supporting standards which, along with uppe... | 02/21/2006 |
| 6969244 | Powder compacting apparatus and method of producing a rare-earth magnet using the same The present invention aims to prevent heating and ignition of a material powder of a rare-earth alloy while reducing the oxygen content thereof so as to improve the magnetic properties of the rare-earth magnet. A rare-earth alloy powder is compacted by using a powde... | 11/29/2005 |
| 6939486 | Apparatus and method for making intraocular lenses Method and apparatus for molding an IOL comprising first and second mold halves each having an optic forming surface and haptic forming surfaces which together define a mold cavity in the shape of the IOL to be molded therein when the mold halves are assembled toget... | 09/06/2005 |
| 6887416 | Method and device for compression moulding a closure cap A method and device for the production of a closure cap having a first part (16, 17) and a second part (18), joined together by at least one thinner section (19). The device contains a female mould part (11) and a male mould part (12 | 05/03/2005 |
| 6868778 | System and method for loading a plurality of powder materials in an electromagnetic compaction press This invention relates to a system and method for loading a plurality of powder materials into a magnetic compaction tool. The system and method employ a powder loader which guides the plurality of powder materials into predetermined locations in the magnetic compac... | 03/22/2005 |
| 6813906 | Method and apparatus for preparation of molded glass A molded glass article manufacturing device, having a means of forcefully separating a molded glass article attached to the forming surface of an upper mold or a lower mold, and readily and reliably aligning the axes of the upper mold and lower mold, a molded glass ... | 11/09/2004 |
| 6787082 | Compressing mallet with coating treatment The punch coated with Cr-Dopé-N is advantageous as a punch for preparing tablets containing an acidic substance or an adhesive substance and is excellent in corrosion resistance and releasing property. ... | 09/07/2004 |
| 6749416 | Die for a rotary compression press A die for a rotary compression press, comprising a die holder axially supported in a guide bore and a die insert which is seated in the end-side bore of the die holder via a trunnion-shaped projection and is adapted to be mounted via releasable fastening means, wher... | 06/15/2004 |
| 6619945 | Apparatus for forming structural blocks from compactible materials A machine for making building blocks from compactible materials such as earth, in a rapid and facile manner. A mold is provided in which the blocks of desired configuration, typically rectangular, are formed. A hydraulic ram, assisted by a pressure intens... | 09/16/2003 |
| 6582641 | Apparatus and method for making metal oxide sputtering targets An apparatus and process for making metal oxide sputtering targets from volatile and thermally unstable metal oxide powder by hot-pressing the metal oxide powder in a graphite die assembly having a ceramic barrier sleeve disposed therein to isolate the me... | 06/24/2003 |
| 6569364 | Method for press-molding dielectric block An interface F between upper mandrels and lower mandrels are moved to a predetermined position in a cavity with the upper mandrels and the lower mandrels slidingly moving toward the lower punch while the upper mandrels and the lower mandrels remain in con... | 05/27/2003 |
| 6511451 | Method of making and apparatus to make a tampon applicator Tampon applicator for feminine hygiene, comprising a cylindrical applicator barrel of paper-like material, having a front end comprising segments which are bent forwards and inward with respect to the longitudinal center axis of the applicator barrel, for... | 01/28/2003 |
| 6482349 | Powder pressing apparatus and powder pressing method A powder pressing apparatus comprises an upper punch and a lower punch for compression of a powder in a cavity formed in a through hole of a die. A gap between a side surface of the lower punch and a side surface of the through hole of the die is sealed b... | 11/19/2002 |
| 6413457 | Powder pressing apparatus, punch, method for pressing powder and method for manufacturing the punch A powder pressing apparatus comprises an upper punch, a lower punch and a die. A compact is formed by pressing a powder loaded in a cavity formed by the upper punch, the lower punch and the die. At least either one of the upper punch and the lower punch h... | 07/02/2002 |
| 6402493 | Powder compacting apparatus External helical teeth of an outer punch member of a lower punch are held in mesh with internal helical teeth of a floating die which is rotatable and floatingly supported. An upper punch is lowered toward a metal powdery material filled in a die cavity s... | 06/11/2002 |
| 6375446 | High pressure apparatus having transition slope binding ring that mitigates tensile stresses and corresponding method A belt/die, pre-tensioned loaded windings, or other high-pressure apparatus has a series of annular rings for confining material being subjected to high-pressure treatment. The series of annular rings has an inner annular ring having an inner upper edge, ... | 04/23/2002 |
| 6347933 | Eccentric press The eccentric press for pressing of machined parts out of powdery material using a drawing-off procedure, comprises a driving motor, an actuation for an eccentric pinion gear with a worm drive shaft as well as at least two columns, one tie-bar and a press... | 02/19/2002 |
