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Class 264/489 - Microwave (e.g., 2.45 gigahertz, etc.)


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the directly applied energy is identified
No. of patents: 146
Last issue date: 04/29/2008


1        
NumberTitleIssue Date
7364685Method for producing implant parts from highly cross-linked UHMWPE and implant parts for human medicine
The invention relates to a method of manufacturing implant parts made of highly cross-linked polyethylene, wherein a blank made of ultra-high-molecular-weight polyethylene is irradiated with ionizing radiation in order to produce radicals in the blank. To optimize t...
04/29/2008
7320183Method for drying honeycomb formed structure
The invention provides a honeycomb formed structure drying method including causing undried honeycomb formed structures 10 placed on stands 12 to pass through a drying apparatus 1, thereby drying the undried honeycomb formed structures through h...
01/22/2008
7303719Resin molded articles
A disk-shape resin molded article such as a gear comprises a rim, a boss, a web having a disk configuration for connecting the rim and the boss, and gear teeth formed on the rim. The molded article is produced by an injection-compression molding process which compri...
12/04/2007
7273580Ferromagnetic resonance excitation and its use for heating substrates that are filled with particles
Process for heating a substrate, which contains, relative to the total weight of the substrate, 0.1 to 70 wt. % of metallic, magnetic, ferrimagnetic, ferromagnetic, antiferromagnetic or superparamagnetic particles having an average particle size of between 1 and 500...
09/25/2007
7250201Production method of cellulose film, cellulose film, protective film for polarizing plate, optical functional film, polarizing plate, and liquid crystal display
A production method of cellulose film wherein cellulose film is produced by preparing a polymer solution through dissolving cellulose ester in a solvent containing a prescribed organic solvent as the main component, forming a filmy object from the prepared polymer s...
07/31/2007
7238307Method for pre-conditioning inserts for injection molding
A method is disclosed for pre-conditioning inserts for improved replication during injection molding. The pre-conditioned inserts provide improved bonding with the injection-material and improved replication of complex molding surfaces. The pre-conditioning of the i...
07/03/2007
7236166High-resolution rapid manufacturing
The present invention is a method for forming an object, the method comprising jetting a first material to form a plurality of layers that define a support structure increment, and extruding a second material to form a layer of the object. The layer of the object su...
06/26/2007
7163655Method and apparatus for extruding polymers employing microwave energy
An apparatus and method for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then ...
01/16/2007
7122146Injection molding of polymers by microwave heating
Injection molding machine utilizes microwave heating. A microwave oven adapted to receive a microwave absorbent plasticizing vessel is utilized with or incorporated into an injection molding system to form a plasticizing unit for heating polymer granules to an injec...
10/17/2006
7083754Sampling tube and method of making same
A sample tube for injection molded with two cores in one base with an intermediate bottom forming a well for receiving the biological material. In a second stage, the bottom edge of the cylindrical wall is heated and turned inwardly to form preferably a rounded bott...
08/01/2006
7067035Microwave preheat press assembly
The present invention is a microwave preheat press. The microwave preheat press includes a first and a second press section which define a press passage therebetween. A compression belt movable along the press passage is contiguous with one of the press sections. Th...
06/27/2006
7048825Microwave preheat press assembly
The present invention is a microwave preheat press. The microwave preheat press includes a first and a second press section which define a press passage therebetween. A compression belt movable along the press passage is contiguous with one of the press sections. Th...
05/23/2006
7041366Porous silicon nitride ceramics and method for producing the same
The invention provides porous silicon nitride ceramics that having uniform, fine closed pores and a manufacturing method thereof. Metal Si powder is mixed with a sintering additive, followed by thermal treatment, which is a pre-process for forming a specific grain b...
05/09/2006
6994820Method of forming a compressed composite product
The present invention is a method of forming a compressed product. The method includes introducing a material into a press that is oscillating between a compression phase and a release phase. The material has a compression recovery response time when compressed and ...
02/07/2006
6942831Process for rapid annealing of a polyester film base to control film curl
A high-CHDM PET-based support for an imaging element can be annealed relatively rapidly to achieve acceptable core-set and post-process curl properties. The fast annealing response of this material allows effective in-line annealing of the film support, yielding a m...
09/13/2005
6896840Protective strap and method of manufacturing the same
The present invention provides a protective strap and the method of manufacturing the same. The method includes the steps of providing an elongated strap-like base layer; printing a predetermined drawing on a surface of the base layer, wherein the drawing is formed ...
05/24/2005
6878337Process for production of honeycomb structure
A process for producing a honeycomb structure, which comprises adding water to a mixed raw material of a raw material powder and a binder, kneading the mixture to obtain a plastic mixture, molding the plastic mixture into a honeycomb shape to obtain a green honeycom...
04/12/2005
6869559Material and method for three-dimensional modeling
The present invention is a modeling technique wherein a three-dimensional model and its support structure are built by fused deposition modeling, using a thermoplastic blended material containing a polyphenylsulfone (PPSF) polymer and a polycarbonate (PC) polymer to...
03/22/2005
6808672Process and apparatus for coagulating and drying latex
A process for the continuous coagulation and drying of rubber latex includes feeding the latex onto an endless conveyor belt which feeds the latex through a coagulator. A combination of microwave energy and hot air raises the temperature of the latex causing it to c...
10/26/2004
6780368Layer manufacturing of a multi-material or multi-color 3-D object using electrostatic imaging and lamination
A freeform fabrication method for fabricating a 3-D multi-material or multi-color object from successive layers of a primary body-building powder, at least a modifier material and a binder powder in accordance with a computer-aided design of the object. The method i...
08/24/2004
6713738Methods for temperature control in microwave processing
Methods for temperature control in microwave processing of materials, for example microwave sintering, annealing and other forms of microwave heating, are disclosed in which the material is formed into a selected shape and size such that at least a part of the mater...
03/30/2004
6689305Process for consolidating particulate solids and cleaning products therefrom II
A bed of particulate solids including some hydrated materials can be converted by controlled irradiation with subinfrared electromagnetic radiation into a unitary porous solid that is mechanically strong enough for easy handling. When the particulate soli...
02/10/2004
6676880PTFE seal fabrication method
A PTFE seal and method of fabrication therefor includes preparing a mixture of PTFE resin powder and a susceptor material which is then compacted and sintered by exciting the susceptor material with microwave energy. Preferably, the compaction and sinteri...
01/13/2004
6572794Method of manufacturing a photochromic molded article
A method of manufacturing a photochromic molded article which comprises the steps of: filling a mold with a photopolymerizable monomer composition containing a photopolymerizable monomer, a photoinitiator and a photochromic compound capable of coloring up...
06/03/2003
6572811Method of forming a cementitious panel
A method is provided for rapidly forming a cementitious panel. A cementitious mixture is introduced into a mold configured to provide the desired surface appearance and profile of the cementitious panel. The cementitious mixture is then subject to an acce...
06/03/2003
6568215Method and apparatus for melting a particulate material
Apparatus suitable for vitrifying nuclear waste comprises a tunable microwave cavity connected by a first wave guide to a source of microwave energy; cooling coils for cooling the exterior of the cavity; a hopper for loading particulate fusible material t...
05/27/2003
6566414Curing method to cure epoxy resins in a short time, and a method for absorbing electromagnetic wave through cured epoxy resins obtained by said curing method
The present invention is a short time curing method of epoxy resin compositions composed of epoxy resins with more than 1.8 epoxy groups and curing agents which can react with epoxy groups and cure the epoxy resins at ambient temperatures or under the tem...
05/20/2003
6548010Transition region for an intravascular catheter
A method of bonding tubular members comprising the steps of, providing a first generally tubular member having a bonding portion disposed proximate a bonding end thereof, an ancillary end, and a lumen extending therethrough, the first tubular member inclu...
04/15/2003
6533987Methods of making materials having shape-memory
The present invention relates to shape deformable materials, which are capable of (1) being deformed, (2) storing an amount of shape deformation, and (3) recovering at least a portion of the shape deformation when exposed to electromagnetic radiation (EMR...
03/18/2003
6515040Microwave synthesis of polyamides, polyesters, and polyamideesters
Polyamides, polyesters, and polyamideesters are efficiently synthesized in a microwave process with precise temperature control. Compared to conventional thermal polymerizations, the microwave process takes less time and produces polymers with equivalent ...
02/04/2003
6387295Alkali metal-containing niobate-based piezoelectric material composition and a method for producing the same
An alkali metal-containing niobate-based piezoelectric material composition comprises a solid solution represented by a composition formula (ANbO3) (A: alkali metal), and at least one additive selected from Cu, Li and Ta....
05/14/2002
6368544Method and apparatus for accelerating the manufacture of molded particleboard parts
All of the current processes for making molded particleboard products require very long furnish dwell times within a heated press, due to the low heat transfer rates from the heated molds to the furnish being compressed. Furnish dwell times vary between a...
04/09/2002
6361720Process for granule production
I have developed an agglomeration process by which granules are formed by the steps of: (a) injecting polymer having sufficient viscoelasticity, and (b) impacting particles on the polymer at the injection point. The present invention is advantageous because it over...
03/26/2002
6358459Method for the production of molded bodies from polymer foam particles
A method for the production of molded bodies comprising foam particles is proposed in which the foam particles are shaped and welded together using microwave energy. The foam particles are accommodated in a foil-like bag and the bag is manually shaped or ...
03/19/2002
6346210Method of shaping susceptor-based polymeric materials
A susceptor-impregnated thermoplastic foam is molded by heating the susceptor-impregnated thermoplastic foam, preferably by induction; imprinting an object against the foam; and allowing the foam to cool into a hardened form conformed to the object....
02/12/2002
6340442Method and apparatus for producing molded tubular objects from polymer concrete
A method and apparatus for producing tubular molded products from molding material includes a mold casing and a mold core having a common longitudinal central axis which is vertically disposed. The mold casing and mold core are spaced from one another to ...
01/22/2002
6309594Metal consolidation process employing microwave heated pressure transmitting particulate
A method of consolidating metal powder to form an object, includes: a) pressing the powder into a preform, and preheating the preform to elevated temperature, b) providing flowable pressure transmitting particles and transmitting microwaves into the particles ...
10/30/2001
6231803Method for stretching plastic nets and grids apparatus for performing the method
A method for stretching plastic nets and grids having the peculiarity that it consists in subjecting the product to be stretched to irradiation with electromagnetic waves with a wavelength above the infrared range, so as to heat the product by dielectric ...
05/15/2001
6228478Method of manufacturing a composite foam from foam flakes, composite foam, and use of this composite foam
For manufacturing a composite foam, having acoustic properties, foam flakes (8) of differing sizes, differing origins, and/or differing material compositions are wetted with a small quantity of a polyurethane dispersion binding agent. The mixture is subse...
05/08/2001
6214279Apparatus and process for freeform fabrication of composite reinforcement preforms
A solid freeform fabrication process and apparatus for making a three-dimensional reinforcement shape. The process comprises the steps of (1) operating a multiple-channel material deposition device for dispensing a liquid adhesive composition and selected...
04/10/2001
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