Class 264/407 - Using sonic, supersonic, or ultrasonic energy

Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes directed to utilizing wave vibrations which can
No. of patents: 40
Last issue date: 01/01/2008

Number	Title	Issue Date
7314592	External thickness control and method A plastic resin extrusion line for the production of blown film includes an external thickness control device that provides a controllable amount of air from an inlet side through an annular region to one or two sets of lips. Barriers that can be manually or automat...	01/01/2008
7168935	Solid freeform fabrication apparatus and methods An apparatus for formation of a three dimensional object comprising a sealed container; an electron beam subsystem capable of directing energy within said container; a positioning subsystem contained within said container; a wire feed subsystem contained within said...	01/30/2007
7137799	Vessel and system for curing a repair to a component made from composite materials The present invention provides a pressure vessel for exerting pressure on a repair to a component made of composite materials to cure the repair in the field. The pressure vessel includes a body having a chamber for receiving the repair to the component; a portal op...	11/21/2006
7056466	Method of manufacture medical devices 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 ...	06/06/2006
7017412	Continuous wave ultrasonic process monitor for polymer processing An injection molding apparatus is disclosed that includes an injection mold, a mold injector, and means for monitoring the injection mold process using acoustic energy. The injection mold includes a cavity for receiving an injection mold material, such as a polymer ...	03/28/2006
6999445	Multiple access communication system using chaotic signals and method for generating and extracting chaotic signals A multiple access telecommunication system is provided, which makes use of chaotic signals. Each transmitter has a chaotic system, which has at least one strange attractor in its phase space, and each receiver has chaotic systems, which corresponds to those in the t...	02/14/2006
6989196	Microencapsulation of magnetic material using heat stabilization Microencapsulation methods and products are provided. The method includes forming, at a first temperature, a emulsion which comprises aqueous microdroplets, including the agent (e.g., a magnetic material or drug) and a cross-linkable matrix material (e.g., a protein...	01/24/2006
6979420	Method of molding balloon catheters employing microwave energy An apparatus 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 be directed...	12/27/2005
6592786	Method and apparatus for lay flat control in an extruded film production line An apparatus for producing an extruded film tube and supplying said tube to a collapsing and roller assembly includes a die for extruding a molten material in the form of a tube which is in a molten state below a frost line and in a solid state above the ...	07/15/2003
6508972	Method for manufacturing rubber tubes An efficient process is described for making rubber tube segments, such as lathe-cut gaskets or conveyor roller covers, by cross-head extrusion of uncured rubber onto an axially aligned string of mandrels. Each mandrel in the string is separated from its ...	01/21/2003
6423261	Blown film extrusion apparatus and method with improved collapsing frame A blown film extrusion apparatus and method is provided including a tube position transducer transmits interrogating pulses to the extruded film tube and produces a position signal corresponding to a detected position under the extruded film tube. A bubbl...	07/23/2002
6066284	Process for the production of engineered products in which curing of the wood is monitored ultrasonically and apparatus useful therefor Cure of the binder used to produce a lignocellulosic composite material in a press is monitored by (1) inserting a transmitter probe and a receiver probe into the composite-forming mixture at parallel points; (2) passing an ultrasonic signal from the tran...	05/23/2000
6047246	Computer-controlled ultrasonic cleaning system A computer-controlled ultrasonic cleaning system (10) that is designed to clean various articles ranging from integrated-circuit silicone wafers and hard disk platters to small mechanical components. The system (10) utilizes an electronic system which ope...	04/04/2000
5989420	Porous ceramic filter, method of manufacturing the same, ceramic filter manufacturing extrusion molding die and extrusion molding apparatus using the die A ceramic filter containing at least one functional material and method of manufacturing, a ceramic filter whose surface through which a liquid to be purified flows into is densest and the average particle size of the filter continuously increases toward ...	11/23/1999
5965238	Synthetic resin panel welding method and hollow panel structures fabricated by the method Portions of a thermoplastic synthetic resin panel (B) formed by extrusion and integrally having a first sheet (2a), a second sheet (2b) parallel to the first sheet (2a), and a plurality of ribs (3) integrally joining the first and second sheets (2a, 2b) a...	10/12/1999
5891383	Method and apparatus for cooling extruded film tubes The present invention is directed to a blown film extrusion apparatus in which film is extruded as a tube from an annular die and then pulled along a predetermined path. The improved blown film extrusion apparatus includes a system for gauging and control...	04/06/1999
5766538	Method of quality control during production of concrete blocks In a method for quality control during production of concrete blocks by bringing a concrete mortar into an upwardly open hollow mold with a solid peripheral wall for forming at least one molded blank placed on a flat supporting surface, a thickness of a m...	06/16/1998
5630982	Method and apparatus for extruding plastic tubing A method and apparatus for extruding thermoplastic tubing of reduced eccentricity, in which tubing is extruded into a vacuum calibration box containing a cooling fluid and a sizing collar. An ultrasonic device for measuring wall thicknesses around the per...	05/20/1997
5543105	Pressure diecasting or injection molding machine A method and apparatus for injection molding. The injection molding machine includes a mold formed by a fixed mold half and a movable mold half cooperating with the fixed mold half for defining a mold cavity of the mold and a gate channel leading to the m...	08/06/1996
5489402	Method for regulatiing the individual layer thicknesses of a coextruded multilayer plastic web A method for regulating the thickness of several individual layers of an extruded multilayered plastic web involves melting at least two currents of molten plastic in different extruders and bringing the individual molten currents together in an adapter w...	02/06/1996
5470216	Film manufacturing apparatus with bubble controlling sensor A film manufacturing apparatus includes a circular die having a lip-shaped circular outlet for extruding a molten plastic in an annular form and an air passage for blowing air into the annular molten plastic to form a bubble. A water containing cooling ri...	11/28/1995
5346379	Extruding device for extruding plastic tubing with a measuring device for measuring the wall thickness of the plastic tubing An extruding device for extruding plastic tubing includes an extruder with an outlet and a cooling device connected to the outlet of the extruder. The cooling device has a water-filled chamber and a vacuum tank that is directly connected downstream to the...	09/13/1994
5219498	Process for controlling curing and thermoforming of resins and composites Composite material consisting of reinforcing fibers are impregnated with polymeric matrices which may contain fillers and are then cured or thermoformed in a heating system such as an autoclave, press or oven. As the curing or thermoforming process procee...	06/15/1993
5143663	Stereolithography method and apparatus An improved stereolithographic apparatus and method is described. In one embodiment, the improvement includes immersing at least a portion of a part in a volume of a liquid solvent in a vapor degreaser while subjecting the portion to ultrasonic agitation ...	09/01/1992
5139406	Apparatus and system for inspecting wall thickness of synthetic resin containers This invention relates to an inspection system for a container made of synthetic resin, including a first container conveying station provided with a plurality of container holders arranged around the circumference of a rotary disc with predetermined spac...	08/18/1992
5135592	Ultrasonically welded hydrogel ophthalmic lens First and second hydrogel lens members are configured to be ultrasonically welded to one another. Both the first and second lens members have an annular bonding surface. The second lens member has an energy director extending from its bonding surface. The...	08/04/1992
5104593	Method and apparatus for gauging and controlling circumference of extrusion-blown film In a blow film extrusion system in which film is extruded as a tube from an annular die and then pulled along a predetermined path, an apparatus is provided for gauging and controlling the circumference of the extruded film tube. At least one transducer, ...	04/14/1992
5085567	Extrusion system for plastics pipes A device for producing hollow plastic pipes having a predetermined wall thickness, includes an extruder for producing soft hollow plastic tubing from a raw material, a continuous cooling chamber disposed downstream of the extruder for hardening the soft h...	02/04/1992
5068068	Method and apparatus for extrusion An improved method for carrying out an extrusion is provided, wherein an extrusion material in a flowable state is passed through a die under a pressure to impart a desired shape thereto, and the extrusion is carried out while the die is resonated by an u...	11/26/1991
4963807	Ultrasonic web edge guide circuit An ultrasonic servo controller circuit is disclosed which is used to detect the edge of a web and adjust the web position as it is dispensed from a pay-off roll to packaging machinery. The circuit is utilized to control a motor which operates a linear act...	10/16/1990
4921415	Cure monitoring apparatus having high temperature ultrasonic transducers An apparatus for monitoring the curing of a fiber reinforced composite plastic which is cured at temperatures of the order of 350° C. and an ultrasonic transducer assembly useful in the apparatus. The transducer assembly comprises a lithium niobate piezo...	05/01/1990
4882104	Method of controlling the thickness of an extruded plastic article A method for monitoring and controlling the wall thickness of an extruded profile of heated polymeric material that issues from an extrusion die. The die includes a plurality of discrete sectors each having a controllable heat source and a temperature sen...	11/21/1989
4758803	Marginal oscillator for acoustic monitoring of curing of plastics Changes in the ultrasonic properties of fiber-reinforced plastics during the curing process are monitored by a marginal oscillator to determine the degree of cure. The plastic sample and transmitting and receiving transducers serve as a narrowband acousti...	07/19/1988
4740146	Apparatus for measuring and controlling the wall thickness of plastic pipes Apparatus for producing plastic pipes by an extrusion process in which the wall thickness of the plastic pipe is controlled by the takeaway speed at which a soft plastic pipe is removed from a metal sizing sleeve. To measure the wall thickness of the soft...	04/26/1988
4597921	Provision of plastic insulation upon an electrical conductor Providing plastic insulation on an electrical conductor in which the conductor, enclosed in an oversize tube, is passed through a fluid and through an annular crystal of a piezoelectric material immersed in the fluid. During passage of tube and conductor,...	07/01/1986
4551289	Method of and apparatus for maintaining a constant wall thickness for an extruded article An extruder is controlled in response to the thickness measurement of the extruded strand. The thickness measuring head is initially given a displacement transverse to the extrusion direction, preferably around the extruded strand and the output signals f...	11/05/1985
4525315	Method of correcting irregularities in the built-up of a mat during the manufacture of particleboard A method of correcting irregularities in the build-up of a mat during the manufacture of particleboard in which a plurality of individual measurements are taken substantially transverse to the mat as it moves through a measuring station. The measurements ...	06/25/1985
4455268	Control system for processing composite materials An automated system for controlling the curing process of structures formed of fiber-reinforced composite material and the like in an autoclave is disclosed. The system uses sensors to monitor autoclave pressure, ambient and structure surface temperature,...	06/19/1984
4377540	Control of tubular film size An internally cooled blown film system, for producing a plastic tube, in which the flow rate of the continuous flow of cooling air through the tube is made directly dependent upon deviation of the tube circumference as determined by transmission and detec...	03/22/1983
4152380	Method of and apparatus for measuring and controlling the wall thickness of plastic pipes In the manufacture of plastic pipes by the extrusion process, the inside diameter of the pipe and, therefore, the wall thickness of the pipe is controlled by the takeaway speed at which the molten plastic pipe is removed from the sizing sleeve. An ultraso...	05/01/1979

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Class 264/407 - Using sonic, supersonic, or ultrasonic energy