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5746967 |
Method of curing thermoset resin with visible light
A transparent mold system (TMS) allows rapid and economical production of thermoset fiber reinforced plastics (FRP) and other thermoset resin parts by heating with visible light energy without...
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5730924 |
Micromachining of polytetrafluoroethylene using radiation
A method of micromachining polytetrafluoroethylene by applying radiation light to the surface of polytetrafluoroethylene, includes the steps of: preparing a workpiece including a region made of...
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5730925 |
Method and apparatus for producing a three-dimensional object
In an apparatus for producing a three-dimensional object by laser sintering the object is produced by successive solidification of layers of a powder material at points corresponding to a...
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5728327 |
Method, barrel subunits and units, service installations and assembly structures for the fabrication of moldable products, particularly based on concrete
The manufacture of moldable concrete products with deferred mold release incorporates molding means bm1 into optimized rotary structures 1, 5, 7, 9, 12 in the form of modular cylinders having at...
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5711911 |
Method of and apparatus for making a three-dimensional object by stereolithography
An improved method for stereolithographically making an object by alternating the order in which similar sets of vectors are exposed over two or more layers. In another method, a pattern of tightly...
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5707660 |
Apparatus for producing oriented plastic strap
An apparatus for producing an oriented plastic strap having a predetermined desired thickness for use in connection with the strapping of packages or the like. Heating is provided in connection...
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5695707 |
Thermal stereolithography
Apparatus for and related methods of forming three-dimensional objects out of a building material, which is normally solid, but which is flowable when heated. In one embodiment, a support material...
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5695709 |
Method and apparatus for producing highly oriented polyester sheet
A method and apparatus for producing highly-oriented polyester sheet comprises a two-stage drawing process. The first drawing stage is performed within a zero-gap milling and stretching roller...
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5695708 |
Three dimensional forming
Three-dimensional modeling method and apparatus for receiving information with respect to a three-dimensional object to be formed and for forming a three-dimensional physical object through the use...
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5693268 |
Wedge demolding of cast lens mold assemblies
Demolding apparatus for reliably and repeatedly mechanically separating contact lens mold assemblies without damaging the contact lens formed therebetween. The mold assembly includes a frontcurve...
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5690865 |
Mold material with additives
The present invention is directed to a composition comprising polystyrene with at least 0.1% (w/w) of an additive, the article of manufacture thereof, such as a mold for making contact lenses and...
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5688466 |
Alignment assembly for heating lamps of a blow molding apparatus and method of use
An alignment assembly for aligning heating lamps in a heating lamp assembly intended for use in an oven of a blow molding machine, the heating lamp assembly having a chassis removably positionable...
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5679385 |
Apparatus for treating an ophthalmic lens mold
An apparatus for causing the polymerized excess monomer to separate from a molded lens by increasing the surface energy of the flange area of one mold piece, causing the polymerized excess monomer...
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5667820 |
Apparatus for making a solid three-dimensional article from a liquid medium
A solid three-dimensional article is formed from a liquid medium by initially coating a layer of the liquid medium on a fixedly mounted apertured support plate. An initial cross-section or profile...
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5665401 |
Apparatus for producing an object using stereolithography
An apparatus for producing an object using stereolithography includes a container, a bath of a liquid or powder material filling the container and having a free surface, the material being...
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5658412 |
Method and apparatus for producing a three-dimensional object
In a method for producing a three-dimensional object wherein the object is produced layer by layer by applying a layer of a material which can be solidified by irradiation with electromagnetic...
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5656229 |
Method for removing a thin film layer
A method and apparatus whereby a thin film layer, e.g., a resist covering at least selected patterns formed on a surface of a substrate, e.g., a wafer is removed from a limited localized portion at...
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5650260 |
Method and apparatus for fabricating three-dimensional object
A three-dimensional object is constituted by successive solid layers each formed by selectively exposing an unexposed layer of a photohardenable composition to actinic radiation. The unexposed...
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5648038 |
Systems and methods for monitoring material properties using microwave energy
Systems and methods for monitoring workpiece and workpiece material characteristics using microwave energy are disclosed. A system includes a chamber, including means for generating variable...
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5641449 |
Method and apparatus for high-speed drying and consolidating of structural fiberboard
Methods and apparatus for rapidly drying and compacting wet fiber mats are disclosed. Rapid drying is produced by heating the wet fiber mats with a combination of radiowave energy and conductive...
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5639413 |
Methods and compositions related to stereolithography
An improved system for producing a three-dimensional object from a fluid medium is described. The fluid medium includes an epoxy-functional silicon-containing monomer or oligomer, and a suitable...
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5637175 |
Apparatus for forming an integral object from laminations
The present invention generally relates to manufacturing apparatus for forming an integral three-dimensional object from individually contoured laminations of the same or gradually varying shape,...
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5632936 |
Method and apparatus for molding ophthalmic lenses using vacuum injection
A lens mold cavity is formed and then evacuated via a vacuum channel contained within a mold member. A fluid valve is opened to expose the lens mold cavity to liquid lens material, whereby a vacuum...
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5630967 |
Method and apparatus for making lenses
A method for forming a preform mass of thermoplastic material into a lens by compression molding between a pair of molds without the formation of air bubbles or the entrapment of air pockets in the...
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5630902 |
Apparatus for use in high fidelty replication of diffractive optical elements
An apparatus for replicating diffractive optical elements by embossing a master optical element into a photopolymer material disposed on a substrate, including a fixture for retaining, aligning,...
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5626885 |
Method of manufacturing an optically readable disc, and arrangement for carrying out the method
An arrangement is provided for a method of manufacturing optically readable discs in which a substrate is placed on a movable substrate carrier and by moving the substrate carrier it is...
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5622811 |
Method for forming resin articles
In a method and apparatus for forming a resin article by forming a film of photosetting resin liquid on a surface of a workpiece, the workpiece is held in a direction to keep its axis approximately...
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5614144 |
Method of manufacturing three-dimensional compact
Disclosed herein is a method of manufacturing a wire harness protector (2), which can reduce the manufacturing cost with excellent productivity. A resin material having a black or gray tone, or a...
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5610824 |
Rapid and accurate production of stereolithographic parts
A stereolithography system employing a more powerful laser and faster dynamic mirrors to speed up part building without sacrificing accuracy is described, especially large or complex parts. A...
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5597589 |
Apparatus for producing parts by selective sintering
An apparatus for selectively sintering a layer of powder to produce a part made from a plurality of sintered layers. The apparatus includes a computer controlling a laser to direct the laser energy...
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5598340 |
Method of producing industrial components by the action of light on a polymerizable or crosslinkable liquid substance without requiring supports
Method for producing a model of an industrial part by phototransformation of a curable or crosslinkable liquid organic material, comprising the addition of cured grains of material to the series of...
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5597519 |
Ultraviolet cycling oven for polymerization of contact lenses
A method and apparatus for molding contact lenses by curing polymerizable compositions in suitably dimensioned molds using ultraviolet or other polymerization-inducing radiation and heat. The molds...
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5597590 |
Apparatus for removing a thin film layer
A method and apparatus whereby a thin film layer, e.g., a resist covering at least selected patterns formed on a surface of a substrate, e.g., a wafer is removed from a limited localized portion at...
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5595767 |
Three-dimensional energy distribution device
A three-dimensional energy distribution device includes a volume reacting to the energy of a predetermined radiation; a plurality of sources of the radiation illuminating the volume according to...
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5589112 |
Constructing a high density cell culture system
An annular culture vessel for growing mammalian cells is constructed in a one piece integral and annular configuration with an open end which is closed by an endcap. The culture vessel is rotatable...
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5585119 |
Device for preparation of expanded thermoplastic microspheres
An apparatus for producing expanded thermoplastic microspheres, including a belt conveyor (A) having an endless belt (1) for conveying microspheres. A device (B) for infrared (IR) heating,...
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5578155 |
Method and apparatus for manufacturing a solid object through sheet laminating
A first plastic film 90 is prepared which is cut into an effective area V1 constituting a three-dimensional object and a non-required area U1 not constituting the three-dimensional object, and a...
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5578700 |
Continuous vacuum microwave rubber crumb reclamation unit
The invention provides an apparatus and method of its use, for recovering either devulcanized rubber or purified carbon and volatiles from a crumb rubber feed material. The apparatus comprises a...
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5573721 |
Use of a support liquid to manufacture three-dimensional objects
A system is provided for producing a three dimensional object from a reactive liquid medium capable of being solidified. The object is constructed from many successive layers of the solidified...
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5571473 |
Process for thermoforming thermoplastic resin sheet
A process for producing a formed article by heating a thermoplastic resin sheet and then thermoforming a part to be formed involves heating the part to be formed by placing in contact with a...
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5562929 |
Apparatus for optically shaping photo-setting resin
A photo-setting resin is shaped into a three-dimensional resin model by scanning successive resin solution layers of a photo-setting resin solution with a radiation beam to form a stack of scanned...
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5558884 |
System for rapidly producing either integrated circuits on a substrate, Interconnections on a printed circuit board or rapidly performing lithography
A system for rapidly producing an integrated circuit on a substrate using a curable liquid capable of solidification to form a photo-resist pattern corresponding to an artwork representation of...
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5547618 |
Method and device for manufacturing an optical lens from a polymerizable synthetic material
In a method of manufacturing an optical lens from a polymerizable synthetic material a lens molding assembly is provided including two molding shells and an annular closure member disposed around...
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5545367 |
Rapid prototype three dimensional stereolithography
Methods and apparatus are disclosed for the production of high precision large scale, micro and mini structures using three dimensional stereolithography. The objects formed using these methods...
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5542833 |
Apparatus for continuously vulcanizing rubber product
An apparatus for continuously vulcanizing a rubber molding extruded from an extruder is disclosed in which a single or plural microwave heating apparatus is arranged within a heating bath. The...
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5536467 |
Method and apparatus for producing a three-dimensional object
A method for producing an object by layerwise solidification of the object by means of electromagnetic radiation is expedited by simultaneously solidifying the material of a layer at a plurality of...
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5529473 |
Solid imaging system using differential tension elastomerc film
An apparatus for fabricating integral three-dimensional objects from successive layers of deformable and photoformable compositions by exposing the layers of the composition through a tensioned,...
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5525051 |
Optical molding apparatus
An optical molding apparatus for obtaining a three-dimensional resin model by scanning a surface of a photocurable resin liquid held in a photocurable resin liquid tank by a light beam to cure the...
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5514214 |
Eyeglass lens and mold spin coater
Hard substrates such as ophthalmic lenses or molds are coated with a UV curable monomer which is polymerized to construct a scratch resistant coating on a surface of the lens. The present invention...
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5501822 |
Fabrication method for a 3-d opto-electronic system with laser inter-substrate communication
A 3-dimensional opto-electronic system employs an optical communications channel between spaced circuit substrates. The beam from an in-line laser on one substrate is deflected by a turning mirror...
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