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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7303782 | Extrusion die coating method Apparatus and a method for selectively vapor-coating an extrusion die to extrude honeycombs with desired distributions of web thicknesses, wherein at least one perforated impedance or preferential coating plate with a desired pattern of holes is positioned adjacent ... | 12/04/2007 |
| 7290751 | Composite mold and method for manufacturing the same A composite mold comprising a main body, a molding layer formed on the main body, and a protective layer formed on the molding layer, the protective layer being made from diamond-like carbon. A method for manufacturing the composite mold comprising the following ste... | 11/06/2007 |
| 7225536 | Precasting multi-layer PCB process A pre-casting multi-layer PCB process has steel plate mold engraved with circuitry and the epoxy coated on the mold for the epoxy to cover up a fiber glass substrate; conductive material coated on the epoxy to insert molding the former into the latter to form recess... | 06/05/2007 |
| 7192620 | Mold-release coating systems A mold-release coating system includes a barrier coating of a substantially liquid wax material. The wax material is deposited onto the mold surface. The wax material includes about 7 to about 10 weight percent solids. The wax material is permitted to substantially ... | 03/20/2007 |
| 7163639 | Metallic building element for optoelectronics The present invention relates to a method of patterning metallic building elements, and also to a metallic building element, where the measuring accuracy achieved can lie in the sub-micrometer range. Starting from a silicon master or original that can be etched to s... | 01/16/2007 |
| 7132124 | Die for molding honeycomb structure and manufacturing method thereof In a die for molding a honeycomb structure, in which a coating layer is formed on a die base so that slits with a particular width are provided, the slits are provided so as to have a width of 30 to 200 μm by forming the coating layer by a substrate layer with a th... | 11/07/2006 |
| 7064423 | IC module and IC card Each of contact terminals, provided on a substrate of an IC module so as to be positioned on a back surface of a surface having an IC chip, which are terminals other than a GND terminal, has a curved convex face, and the GND terminal has a curved concave face as a c... | 06/20/2006 |
| 7014883 | Apparatus and method for forming a composite structure A method for forming a composite structure is disclosed. The method includes four steps. Step one calls for applying a primer (104) to a surface (102) of a tool (100). Step two requires applying a coating (106) to primer (104). Ste... | 03/21/2006 |
| 7011134 | Casting method for producing surface acoustic wave devices A method for forming diamond tools using CVD techniques. In one aspect, a mold is provided which has an interface surface configured to inversely match a configuration intended for the working surface of a diamond layer in a tool. An adynamic diamond mass or layer i... | 03/14/2006 |
| 6890586 | System and method of making an in-mold clear-coated composite A plastic product covered with a clear coating which is applied through an in-mold coating process. Covalent bonds hold the clear coating and the plastic substrate together, and the clear coating is capable of resisting delamination and of inhibiting fading of a pig... | 05/10/2005 |
| 6814130 | Methods of making diamond tools using reverse casting of chemical vapor deposition The present invention provides diamond tools, and a method for the formation thereof, using CVD techniques. In one aspect, a mold is provided which has an interface surface configured to inversely match a configuration intended for the working surface of a diamond l... | 11/09/2004 |
| 6811810 | Concrete form release compositions The forming of shapes using cement and/or concrete is an old art. In this process a form is removed, leaving the shape of the pattern which is the result of the form designed. Fluid concrete and/or cement can then be poured into the cavity to form the object. To inc... | 11/02/2004 |
| 6749787 | Composite coating for mold insert and method for making a coated mold insert A mold used to form a magnetic member includes a mold body having a mold opening, a mold support that supports the mold cavity, and a mold insert. The mold insert is disposed in the mold opening of the mold body to form a mold cavity. The mold insert is coated with ... | 06/15/2004 |
| 6676872 | Die and process especially for stamping detergent bars A device for stamping a detergent bar, i.e. a bar comprising soap, a synthetic detergent active or a mixture thereof, includes a die. The die has at least one bar stamping surface provided with at least one elastomeric coating which includes a conductive ... | 01/13/2004 |
| 6659161 | Molding process for making diamond tools The present invention provides diamond tools, and a method for the formation thereof, using CVD techniques. In one aspect, an ephemeral mold is provided which has a diamond interface surface configured to inversely correspond to the desired shape for the ... | 12/09/2003 |
| 6652792 | Process for stamping detergent bars In a device for handling plastic material, such as a stamping device for stamping detergent bars, an elastomeric layer is provided on the handling surface which has good adhesion to the handling surface and good release from the plastic material. The elas... | 11/25/2003 |
| 6508961 | Structure and method for molding optical disks A method for molding an optical disk includes applying a thermally insulative mold insert onto a thermally conductive mold form by coating the mold insert on the mold form. The mold insert has a coefficient of thermal expansion compatible with the coeffic... | 01/21/2003 |
| 6506443 | Method and device for applying surface-modifying auxiliary substances to working area interior surfaces of die molds A method of applying surface-modifying auxiliary substances to the working area interior surfaces of die molds for the production of molded products, in particular made of rubber or plastics. The auxiliary substance is supplied in the form of a gas or vap... | 01/14/2003 |
| 6461669 | Coating mechanism and coating method of powdery mold releasing agent There provided a powder supply means for supplying a powdery mold releasing agent to a basin and a pressure reduction means for reducing a pressure in a cavity, and in a casting work the powdery mold releasing agent is supplied through a basin into a cavi... | 10/08/2002 |
| 6361702 | Device for producing material having optically varying effects and method of producing the same A die and a method for forming a die to produce optically varying effects in a light reflective surface. A design generally formed as a plurality of parallel grooves of varying widths and depths are engraved in a soft metal foil adhered to a substrate. A ... | 03/26/2002 |
| 6314764 | Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk A method of manufacturing a 1-inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a prescribed roughness. Ion implantation using nitrogen ions is per... | 11/13/2001 |
| 6314763 | Method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disk A method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a prescribed roughness. Ion implantation using nitrogen ions is p... | 11/13/2001 |
| 6291026 | Method for forming a mold-release coating A method for forming a mold-release coating on a mold surface includes providing a coating of material on the mold surface. The coating of material has a surface which is capable of accepting and retaining a release powder. The method also includes deposi... | 09/18/2001 |
| 6259035 | Chip card A chip card has a chip module, wherein the surface of the chip module contains electrically conducting contact surfaces that are arranged to be aesthetically integrated into the layout of the chip card.... | 07/10/2001 |
| 6254927 | Liquid release agent composition and shim process An improved shimming process and release composition for filling the gap between a releasable composite skin and a supporting body with a liquid shim material, using a novel viscous liquid release composition free of volatile vehicle. The liquid release c... | 07/03/2001 |
| 6228294 | Method for compression molding A compression molding method reduces or removes adhesion property between a mold substrate and a high polymer material, which is to be imprinted with a pattern from the mold substrate. Accordingly, a pattern having increased granularity to tens of A can b... | 05/08/2001 |
| 6159413 | Micro structure and its manufacture method A laminated substrate is prepared, the laminated substrate having two layers including a first film and a second film in tight contact with the first film, the second film being made of a material capable of being etched with synchrotron radiation light. ... | 12/12/2000 |
| 6159535 | Method for applying a parting agent onto an injection mould The invention discloses a method and a device for applying a parting agent onto an injection mould, by means of which a powdery parting agent can be applied in a gush-free manner by means of pressurized air. For this purpose, the feed air and the dosing a... | 12/12/2000 |
| 6146558 | Structure and method for molding optical disks A method for molding an optical disk comprises: applying a thermally insulative insert coating to at least one thermally insulative mold insert to provide at least one coated mold insert having a reduced surface roughness; positioning the coated mold inse... | 11/14/2000 |
| 6143230 | Method of making plastic hoods and dividers Plastic hoods and dividers are provided for use with row crop heads. The hoods and dividers are single walled and self-supporting. The single-walled hoods and dividers are preferably manufactured through a rotational molding process wherein a non-stick co... | 11/07/2000 |
| 6136385 | Surface reforming method of a metal product A surface reforming method of a metal product, wherein a platinum film is formed on the surface of a metal product by injecting onto that surface a nitrogen ion, a carbon ion and a platinum ion in that order, and then injected onto said platinum film a se... | 10/24/2000 |
| 6117495 | Method for forming a mold-release coating The method for forming a mold-release coating on a mold surface includes two basic steps: (a) providing a base coat of material on the mold surface and (b) electrostatically depositing a release powder onto the base coat of material. The base coat of mate... | 09/12/2000 |
| 6033724 | Golf ball mold preparation technique and coating system A coating system and method for a golf ball injection mold having a land area and a patterned wall defining a hemispherical cavity is characterized by the application of a primer and a fluoropolymer top coat layer at least the patterned wall. The combined... | 03/07/2000 |
| 5997709 | Method of providing diffuse risers on a fresnel lens die Methods of providing diffusing risers on a fresnel lens die having a plurality of optical facets, wherein adjacent optical facets are separated by a riser, the method including the steps of depositing a difflusing layer on the plurality of optical facets ... | 12/07/1999 |
| 5958469 | Method for fabricating tools for molding diffractive surfaces on optical lenses A method for producing diffractive optic molding tools with improved durability is accomplished by depositing a layer of chromium carbide on a substrate material. This layer of chromium carbide becomes the receptor for a final machinable coating such as e... | 09/28/1999 |
| 5939135 | General type press forming knife-mould made of plain, soft and thin material A method of manufacturing a general type press forming knife-mould made of plain, soft and thin material, being comprised of selecting a medium, low carbon steel plate as a base whereon a knife edge having a desired contour is formed by shaping milling, t... | 08/17/1999 |
| 5935691 | Metal dual-color extruded plastic key The subject invention relates to a type of metal dual-color extruded plastic key; said key comprising an electroplatable plastic material and a non-electroplatable plastic material; said two parts being subjected to plastic dual-color extrusion forming pr... | 08/10/1999 |
| 5876804 | Extrusion die for molding honeycomb structure and manufacturing method thereof An extrusion die for forming a honeycomb structure such as a catalyst carrier of a catalytic converter for internal combustion engines is provided. The extrusion die includes material inlet ports and latticed slits. The slits are formed in a die base and ... | 03/02/1999 |
| 5857512 | Jewelry models and an improved jewelry model produced therefrom A nail polish or nail polish/enamel composition is applied to imperfections, errors, distortions or porosities in the model. The composition is thus used to correct the model's shape. The composition can be added at room temperature, and avoids the need t... | 01/12/1999 |
| 5855966 | Method for precision polishing non-planar, aspherical surfaces A method for precison polishing non-planar, aspherical surfaces in substrates, particularly surfaces of molding tool substrates for molding optical surfaces therewith, which is accomplished by coating the non-planar, aspherical surface with a layer of mat... | 01/05/1999 |
