Matches 151 - 200 out of 363 < 1 2 3 4 5 6 7 8 >
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6309581 Method of making a three dimensional object  
A method for forming a three dimensional object, the method including the steps of generating a digital representation of the object, generating a digital representation of a build style lattice...
6267919 Method of producing a three-dimensional object  
A three-dimensional object is produced by sequentially laminating a plurality of layers. The method includes setting a plurality of coordinate points at a predetermined interval on a profile of a...
6266134 System for exposing photopolymer with light from compact movable light source  
An exposure system for liquid photopolymer printing plates has a small movable illumination source. The illumination source moves to expose all of a photopolymer object, such as a printing plate...
6264873 Method of 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...
6261507 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...
6261077 Rapid prototyping apparatus with enhanced thermal and/or vibrational stability for production of three dimensional objects  
A rapid prototyping and manufacturing (e.g. stereolithography) apparatus includes a secondary frame located within a primary frame of the system. The secondary frame defines an enclosure for...
6261506 Method of making a three-dimensional object  
A method and apparatus for building three-dimensional objects having an internal structure, wherein the structure is discontinuous and is composed from a plurality of patterns and bridging patterns...
6251557 Photosensitive resin composition for rapid prototyping and a process for the manufacture of 3-dimensional objects  
The invention relates to a photosensitive resin composition for rapid prototyping comprising: a. about 30 wt. % to about 70 wt. % of at least two epoxy resins, at least one of these resins is...
6248504 Method for manufacturing fiber-reinforced parts utilizing stereolithography tooling  
A method of manufacturing a three-dimensional fiber-reinforced part utilizing the single-tool method of stereolithography. The tool is fabricated by designing the tool on a computer-aided design...
6241934 Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application  
A rapid prototyping and manufacturing (e.g. stereolithography) method and apparatus for producing three-dimensional objects by selectively subjecting a liquid or other fluid-like material to a beam...
6231802 Rapid prototyping method  
A volume sequential technique allows the production of prototypes from a liquid photopolymer precursor without requiring the CAD model to be decomposed into slices. Inverse Tomographic Construction...
6224816 Molding method, apparatus, and device including use of powder metal technology for forming a molding tool with thermal control elements  
Tool having a molding surface is formed from a flowable material (e.g., powder material) wherein the shape of molding surface is formed from a molding process using a master pattern having a...
6207097 Method for manufacturing physical objects using precision stereolithography  
An improved method for stereolithographic fabrication of structures provides a stereolithography system with a laser light source that is substantially smaller than previously known light sources,...
6203966 Stereolithographic resin composition  
6200732 Photocurable resin composition  
There is provided a photocurable resin composition comprising (A) an urethane acrylate having three or four acrylate groups in the molecule, (B) a radical polymerizable compound different from the...
6200646 Method for forming polymeric patterns, relief images and colored polymeric bodies using digital light processing technology  
A method for precisely and efficiently creating three dimensional bodies, relief images or patterns, colored bodies, or a combination of these using photopolymers, photocolorizable polymers or...
6200514 Process of making a bit body and mold therefor  
A method of fabricating a resilient model of an article of manufacture, such as an earth-boring drill bit body or component thereof, including fabricating the resilient model of the article of...
6193922 Method for making a three-dimensional body  
The present invention relates to a method for making a three-dimensional body, the construction of which is realised in layers by a purposeful application of material. According to the invention,...
6180050 Optical formation device and method  
The purpose of the invention is to provide a solid model creation apparatus that is small in size and inexpensive. A multiplicity of blue LEDs are prepared, optical fibers are connected thereto,...
6180049 Layer manufacturing using focused chemical vapor deposition  
A solid freeform fabrication process and apparatus for making a three-dimensional object. The process includes the steps of (1) positioning a material deposition sub-system a selected distance from...
6172996 Apparatus and method for forming three-dimensional objects in stereolithography utilizing a laser exposure system with a diode pumped frequency-multiplied solid state laser  
Embodiments of the instant invention are directed to laser exposure system that employs a pulsed solid state laser to provide a reactive response wavelength and a pulse repetition rate specifically...
6162576 Resin composition for stereolithography  
A resin composition for stereolithography and a process for producing a three-dimensional object using the same. The resin composition comprises (1) a liquid photohardenable resin composition...
6159411 Rapid prototyping method and apparatus with simplified build preparation for production of three dimensional objects  
A rapid prototyping and manufacturing (e.g. stereolithography) method and apparatus for making three-dimensional objects with simplified correlation of building parameters with object data. Object...
6158497 Method for producing a model and a method for producing a multisection mould using the model  
The method comprises the production of a first positive model of an item to be cast. The positive model is produced with a flange extending in an imaginary separation line of the item. The flange...
6153142 Stereolithographic method and apparatus for production of three dimensional objects with enhanced thermal control of the build environment  
A rapid prototyping and manufacturing (e.g. stereolithography) method and apparatus for making three-dimensional objects with enhanced control of the temperature of the build environment. A...
6149856 Ultraviolet-based, large-area scanning system for photothermal processing of composite structures  
In making thermoset and photo-set polymer-matrix composite parts, curing is the key process step that transforms the molecular structure of the composite material, stabilizing it in the desired...
6133336 Process for forming a colored three-dimensional article  
Process for forming a selectively colored polymeric layer, or a three-dimensional article made of polymeric layers, wherein a photocurable, photocolorable composition is irradiated with a low dose...
6130025 Stereolithographic resin composition and stereolithographic method  
The stereolithographic resin composition comprising,(1)a catinically polymerizing organic compound, (2)an energy beam sensitive cationic polymerization initiator, and (3)a thermoplastic polymer...
6126884 Stereolithographic method and apparatus with enhanced control of prescribed stimulation production and application  
A rapid prototyping and manufacturing (e.g. stereolithography) method and apparatus for producing three-dimensional objects by selectively subjecting a liquid or other fluid-like material to a beam...
6127092 Reaction resin mixtures and use thereof  
Curable reaction resin mixtures which are suitable for stereolithography have the following composition: a cationically curable monomer and/or oligomer, an initiator with the following...
6117612 Stereolithography resin for rapid prototyping of ceramics and metals  
Photocurable ceramic resins having solids loadings in excess of 40 volume percent and a viscosity of less than 3000 mPaî‚‘s are suitable for multi-layer fabrication of green ceramic parts by...
6117385 Method and apparatus for stereolithography  
A method and apparatus for producing ordered parts by stereolithography from non-ordered liquid crystal monomers. Liquid crystal monomers contain stiff, rod-like mesogenic segments which can be...
6110602 Method of making a three-dimensional object  
A structure of solid material for use in making an investment casting mold and a method of making it are disclosed. The structure has a plurality of levels of spaced plates arranged such that in...
6110409 Rapid prototyping process and apparatus  
An apparatus for rapid prototyping is provided. The apparatus includes a container containing raw material. A working field is defined in the container. A transformation inducing device is arranged...
6107008 Ionizing radiation post-curing of objects produced by stereolithography and other methods  
An object comprised of a curable material and formed by stereolithography or another three-dimensional prototyping method, in which the object has undergone initial curing, is subjected to...
6103176 Stereolithographic method and apparatus for production of three dimensional objects using recoating parameters for groups of layers  
A rapid prototyping and manufacturing (e.g. stereolithography) method and apparatus for making three-dimensional objects with enhanced control of coating parameters used when forming layers of...
6099787 Process for making three-dimensional articles by stereolithography  
The present invention relates to a process for the production of three-dimensional articles by stereolithography using a radiation-curable composition having at least one cationically polymerizable...
6084980 Method of and apparatus for deriving data intermediate to cross-sectional data descriptive of a three-dimensional object  
A rapid prototyping and manufacturing apparatus and method (e.g. stereolithographic apparatus and a method) for layer-by-layer formation of a three-dimensional object represented by cross-sectional...
6083447 Method for molding articles from a fibrous slurry  
An apparatus and method for molding articles from a fibrous slurry. The apparatus comprises a forming die manufactured from a water insoluble, porous, relatively rigid and easily shaped material...
6051179 Apparatus and method for production of three-dimensional models by spatial light modulator  
An apparatus and the method of its operation for rapid prototyping of a three-dimensional object which includes a radiant energy source of a wide beam of radiant energy of suitable intensity and...
6048487 Recoating stereolithographic layers  
Improved apparatus and methods for forming a layer of material over a surface of a previously-formed cross-section of a three-dimensional object in anticipation of forming a next cross-section of...
6036910 Three-dimensional object by optical stereography and resin composition containing colorant for producing the same  
A resin composition for three-dimensional object by optical stereolithography containing a colorant, such as carbon black, in an amount of 0.05 to 0.5% by weight can provide a colored...
6036911 Method of 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...
6027682 Thermal stereolithography using slice techniques  
The invention involves an improved system for producing a three-dimensional object by forming successive cross-sections of the object from a material which is normally solid but which may be made...
6027326 Freeforming objects with low-binder slurry  
In a rapid prototyping system, a part is formed by depositing a bead of slurry that has a sufficient high concentration of particles to be pseudoplastic and almost no organic binders. After...
6027324 Apparatus for production of three dimensional objects by stereolithography  
A system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in...
6025114 Liquid photocurable compositions  
1. This invention relates to a liquid composition comprising: a) 2 to 20 parts of a monomeric poly(meth)acrylate having a functionality of at least 3 and a MW of at least 650; b) 20 to 60...
6017973 Photocurable resin composition, method of producing photo-cured shaped object, vacuum casting mold, vacuum casting method and novel urethane acrylate  
A photocurable resin composition comprising (A) at least one urethane di- or triacrylate, which is a novel compound, (B) a radical polymeriable compound, and (C) a photopolymerization initiator,...
6013714 Resin composition and fibrous material forming mold  
Process for the manufacture of a mold for making products from fibrous materials by performing a combination of steps of (1) applying a thin layer of resin on a supporting stage (2)...
6001298 Method for making a mould  
A method for making a mold including the steps of (a) forming a layer of a photocurable composition containing a U.V. transparent filler; (b) irradiating the layer formed in step (a) with light in...
Matches 151 - 200 out of 363 < 1 2 3 4 5 6 7 8 >