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546results about How to "Low stiffness" patented technology
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Hesperaloe tissue having improved cross-machine direction properties
ActiveUS10337148B2Satisfactory softness and strength and bulkNegatively effecting tissue product strength and stiffness and bulkPaper/cardboardTissue/absorbent paperFiberMedicine
Owner:KIMBERLY-CLARK WORLDWIDE INC
Bone access system
InactiveUS20060064101A1Reduce riskLow stiffnessSurgical needlesSurgical instruments for heatingBone tissueCatheter
Instruments and methodology for nonlinear access to bone tissue sites are described. Embodiments disclosed include a conduit for delivering material or a medical device to a site and a core member that is able to steer the conduit and allow the combination to be advanced thorough cancellous bone. A cannula and stylet may be provided to first advance through hard bone. The core member includes a curved tip that may be straightened by the cannula or an actuator sheath to vary sweep of the curve. An obturator may be included in the system. This instrument may include a flexible portion as well. Each of the obturator and conduit may be provided with any of a variety of active tips. The systems may be used to perform hard tissue site implantation, for example, in connection with a high pressure injection system.
Owner:ARTHROCARE
Magnetically-levitated blood pump with optimization method enabling miniaturization
ActiveUS20110237863A1Quality improvementReduce stiffnessControl devicesBlood pumpsBlood pumpMiniaturization
A magnetically-levitated blood pump with an optimization method that enables miniaturization and supercritical operation. The blood pump includes an optimized annular blood gap that increases blood flow and also provides a reduction in bearing stiffness among the permanent magnet bearings. Sensors are configured and placed optimally to provide space savings for the motor and magnet sections of the blood pump. Rotor mass is increased by providing permanent magnet placement deep within the rotor enabled by a draw rod configuration.
Owner:WORLD HEART +1
Arrangement and method for converting an input signal into an output signal and for generating a predefined transfer behavior between said input signal and said output signal
ActiveUS20150036831A1Cost effectiveLow hardware requirementsTransducer protection circuitsLimiting amplitudeRest positionMagnetic transducers
An arrangement and method for converting an input signal z(t) into a mechanical or acoustical output signal p(t) comprising an electro-magnetic transducer using a coil at a fixed position and a moving armature, a sensor, a parameter measurement device and a controller. The parameter measurement device identifies parameter information P of an nonlinear model of the transducer considering and the saturation and the geometry of the magnetic elements. A diagnostic system reveals the physical causes of signal distortion and generates information for optimizing the design and manufacturing process of this transducer. The controller compensates for nonlinear signal distortion, stabilizes the rest position of the armature and protects the transducer against mechanical and thermal overload.
Owner:KLIPPEL WOLFGANG
Non-Pneumatic Tire
InactiveUS20070267116A1Well conformLow stiffnessNon-inflatable tyresPneumatic tyre reinforcementsGround contactEngineering
A structurally supported tire includes a ground contacting tread portion, a reinforced annular band disposed radially inward of the tread portion, and a plurality of web spokes extending transversely across and radially inward from the reinforced annular band and anchored in a wheel or hub. The reinforced annular band comprises an elastomeric shear layer, at least a first membrane adhered to the radially inward extent of the elastomeric shear layer and at least a second membrane adhered to the radially outward extent of the elastomeric shear layer. Each of the membranes has a longitudinal tensile modulus sufficiently greater than the shear modulus of the shear layer, and a longitudinal compression modulus of a second membrane is at least equal to the longitudinal tensile modulus of a first membrane so that when under load the ground contacting portion of the tire deforms to a flat contact region through shear strain in the shear layer while maintaining constant the length of the membranes. The web spokes transmit load forces between the annular band and the hub through tension in the web spokes not connected to the ground contacting portion of the tire.
Owner:MICHELIN RECH & TECH SA
Golf club heads or other ball striking devices having distributed impact response
A ball striking device, such as a golf club head, includes a face having a ball striking surface configured for striking a ball and a body connected to the face and extending rearwardly from the face. The body has an impact-influencing structure in the form of a channel positioned on at least one surface of the body. A majority of a force generated by impact with a ball is absorbed by the impact-influencing structure, and a majority of a response force generated by the head upon impact with the ball is generated by the impact-influencing structure. The face may have increased stiffness as compared to existing faces, and may include a stiffening structure to create the increased stiffness, such as a porous or cellular stiffening structure.
Owner:NIKE INC
Multi-ply paper towel with creped plies
ActiveUS8409404B2Improve toughnessHigh strengthNon-fibrous pulp additionNatural cellulose pulp/paperFiberPaper towel
A multi-ply absorbent towel made from papermaking fiber comprising at least a first ply and a second ply bonded together, the towel having a basis weight of greater than 30 lbs per 3000 ft2 ream (48.8 gsm) and less than 50 lbs per 3000 ft2 ream (81.4 gsm), wherein the plies are selected and adhered together such that the towel typically exhibits (i) a GM TEA, mm-g / mm2 of greater than [0.00125 (GM Tensile, g / 3″)−0.75] and (ii) a GM Tensile Modulus, g / in / %, less than [0.0083 (GM Tensile Strength, g / 3″)+15.4] {(i) a GM TEA, mm g / mm2, of greater than [0.00952 (GM Tensile, g / cm)−0.75] and (ii) a GM Tensile Modulus, g / cm / %, less than [0.0249 (GM Tensile Strength, g / cm)+6.06}.
Owner:GPCP IP HLDG LLC
Embolic filter frame having looped support strut elements
InactiveUS20040093012A1Longitudinal compliance be enhanceImprove sealingSurgeryDilatorsEngineeringLower degree
An improved embolic filter frame having looped support struts. The frame configuration provides enhanced longitudinal compliance, improved sealing against a vessel wall, low profile delivery, and a short deployed length. The looped support struts have a high degree of "radial" stiffness with a low degree of "longitudinal" stiffness. In the deployed state, the frame exerts a relatively high stress onto a vessel wall to maintain an effective seal, yet remains compliant in the longitudinal direction. Minor displacements of the support wire or catheter are therefore not translated to the filter. The looped support struts elongate when tensioned and assume a compressed and essentially linear form. While constrained in this linear state by a delivery catheter, the support struts exert minimal stress onto the delivery system. The overall delivery profile and stiffness are therefore reduced. When the delivery catheter constraint is removed during deployment, the struts "snap open" and assume a looped configuration which exert a high degree of force onto the vessel wall, creating an enhanced filter to vessel wall seal. In addition, the looped struts and the central collar connecting the support struts to the support wire, are positioned essentially within the plane of the filter opening. The overall deployed length of the embolic filter is therefore reduced.
Owner:WL GORE & ASSOC INC
Multilevel semiconductor module and method for fabricating the same
InactiveUS20060231939A1InhibitionReduce thicknessSemiconductor/solid-state device detailsSolid-state devicesElectrical conductorSemiconductor chip
A semiconductor module is formed by alternately stacking resin boards and sheet members. Each of the resin boards includes first buried conductors. A semiconductor chip is mounted on the upper face of each of the resin boards. Each of the sheet members having an opening for accommodating the semiconductor chip and including second buried conductors electrically connected to the first buried conductors. A first resin board located at the bottom is thicker than second resin boards. Each of the sheet members includes an adhesive member covering the upper and side faces of the semiconductor chip.
Owner:PANASONIC CORP
Pull-on disposable diaper
A pull-on disposable diaper is composed of a front waist region, a rear waist region, a crotch region extending between these waist regions and a body fluid absorbing component formed on an inner side of these regions. The absorbing component is formed in the crotch region with a V-shaped first folding guide, a V-shaped second folding guide and a third folding guide extending in a transverse direction between the first and second folding guides. The absorbing component is folded along the third folding guide so that a core forming a part of the component may have its outer surface sections facing each other and along the first and second folding guides so that the core may have its inner surface sections facing each other.
Owner:UNI CHARM CORP
Disposable undergarment
A disposable undergarment having a topsheet, a backsheet and an absorbent core disposed therebetween. The core is placed in a crotch region and has front and rear end zones and a middle zone. Side portions of a first elastic member extend in the vicinity of front ends of transversely opposite side edge portions of the crotch region while a middle portion of the first elastic member extends across the front end zone. Side portions of a second elastic member extend in the vicinity of rear ends of the edge portions while a middle portion of the second elastic member extends across the rear end zone. The contraction of the first and second elastic members in the middle portions thereof is effectively used to maintain the front and rear end zones of a core in close contact with the wearer's skin.
Owner:UNI CHARM CORP
Embolic filter frame having looped support strut elements
An improved embolic filter frame having looped support struts. The frame configuration provides enhanced longitudinal compliance, improved sealing against a vessel wall, low profile delivery, and a short deployed length. The looped support struts have a high degree of “radial” stiffness with a low degree of “longitudinal” stiffness. In the deployed state, the frame exerts a relatively high stress onto a vessel wall to maintain an effective seal, yet remains compliant in the longitudinal direction. Minor displacements of the support wire or catheter are therefore not translated to the filter. The looped support struts elongate when tensioned and assume a compressed and essentially linear form. While constrained in this linear state by a delivery catheter, the support struts exert minimal stress onto the delivery system. The overall delivery profile and stiffness are therefore reduced. When the delivery catheter constraint is removed during deployment, the struts “snap open” and assume a looped configuration which exert a high degree of force onto the vessel wall, creating an enhanced filter to vessel wall seal. In addition, the looped struts and the central collar connecting the support struts to the support wire, are positioned essentially within the plane of the filter opening. The overall deployed length of the embolic filter is therefore reduced.
Owner:WL GORE & ASSOC INC
Golf Club Heads Or Other Ball Striking Devices Having Distributed Impact Response
A ball striking device, such as a golf club head, includes a face having a ball striking surface configured for striking a ball and a body connected to the face and extending rearwardly from the face. The body has an impact-influencing structure in the form of a channel positioned on at least one surface of the body. A majority of a force generated by impact with a ball is absorbed by the impact-influencing structure, and a majority of a response force generated by the head upon impact with the ball is generated by the impact-influencing structure. The face may have increased stiffness as compared to existing faces, and may include a stiffening structure to create the increased stiffness, such as a porous or cellular stiffening structure.
Owner:NIKE INC
Non-pneumatic tire
InactiveUS20060113016A1Supporting massHigh effective radial stiffness in tensionNon-inflatable tyresPneumatic tyre reinforcementsMaximum depthEngineering
A structurally supported tire includes an outer annular band, and a plurality of web spokes extending transversely across and radially inward from the annular band and anchored in a wheel or hub. The annular band may further comprise a shear layer, at least a first membrane adhered to the radially inward extent of the shear layer, and at least a second membrane adhered to the radially outward extent of the shear layer. A preferred web spoke has a cutaway section transverse to the annular band. The cutaway section has a profile formed by straight line segments joined by a blending radius. The profile of the cutaway comprises a height and a maximum depth greater than five percent of the height and less than thirty percent of the maximum width. The profile has an angle alpha formed by a line tangent to the profile relative to the horizontal at least equal to ten degrees at the radially outermost and radially innermost extent of said profile. The minimum radius of curvature of the profile is at least equal to twenty percent of the height of the cutaway section.
Owner:MICHELIN & CO CIE GEN DES ESTAB MICHELIN
Treated tissue products having increased strength
InactiveUS20070137808A1Reduced strengthHigh strengthBiocideNatural cellulose pulp/paperFiberPolymer science
Tissue products are disclosed containing an additive composition. The additive composition, for instance, comprises an aqueous dispersion containing an olefin polymer, an ethylene-carboxylic acid copolymer, or mixtures thereof. The olefin polymer may comprise an interpolymer of ethylene and octene, while the ethylene-carboxylic acid copolymer may comprise ethylene-acrylic acid copolymer. The additive composition may also contain a dispersing agent, such as a fatty acid. The additive composition may be incorporated into the tissue web by being combined with the fibers that are used to form the web. Alternatively, the additive composition may be topically applied to the web after the web has been formed. For instance, in one embodiment, the additive composition may be applied to the web as a creping adhesive during a creping operation. The additive composition may improve the strength of the tissue web without substantially affecting the perceived softness of the web in an adverse manner.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Non-pneumatic tire
InactiveUS7418988B2High effective radial stiffness in tensionLow effective radial stiffnessNon-inflatable tyresPneumatic tyre reinforcementsMaximum depthEngineering
A structurally supported tire includes an outer annular band, and a plurality of web spokes extending transversely across and radially inward from the annular band and anchored in a wheel or hub. The annular band may further comprise a shear layer, at least a first membrane adhered to the radially inward extent of the shear layer, and at least a second membrane adhered to the radially outward extent of the shear layer. A preferred web spoke has a cutaway section transverse to the annular band. The cutaway section has a profile formed by straight line segments joined by a blending radius. The profile of the cutaway comprises a height and a maximum depth greater than five percent of the height and less than thirty percent of the maximum width. The profile has an angle alpha formed by a line tangent to the profile relative to the horizontal at least equal to ten degrees at the radially outermost and radially innermost extent of said profile. The minimum radius of curvature of the profile is at least equal to twenty percent of the height of the cutaway section.
Owner:MICHELIN & CO CIE GEN DES ESTAB MICHELIN
Elastomeric dielectric polymer film sonic actuator
InactiveUS7062055B2Optimize power outputLow working voltagePiezoelectric/electrostrictive gramophone pickupsStirling type enginesDielectricConductive polymer
A sonic actuator including a multi-layer membrane having a non-metallic elastomeric dielectric polymer layer with a first surface and a second surface, a first compliant electrode layer contacting the first surface of the polymer layer, and a second compliant electrode layer contacting the second surface of the polymer layer. The actuator further includes a support structure in contact with the sonic actuator film. Preferably, the non-metallic dielectric polymer is selected from the group consisting essentially of silicone, fluorosilicone, fluoroelastomer, natural rubber, polybutadiene, nitrile rubber, isoprene, and ethylene propylene diene. Also preferably, the compliant electrode layer is made from the group consisting essentially of graphite, carbon, and conductive polymers. The support structure can take the form of grid having a number of circular apertures. When a voltage is applied to the electrodes, portions of the film held at the aperture of the support structure can bulge due to the electrostriction phenomenon. The resultant “bubbles” can be modulated to generate sonic vibrations, or can be used to create a variable surface for airflow control.
Owner:SRI INTERNATIONAL
Tissue products having enhanced cross-machine directional properties
ActiveUS7972474B2Enhanced cross-machine directional propertyHigh peak stretchNon-fibrous pulp additionNatural cellulose pulp/paperMedicineHardness
Tissue products are disclosed having desirable strength, stretch and softness properties. In particular, the tissue products exhibit relatively high strength while still having a relatively low stiffness and a significant amount of stretch. The tissue webs generally comprise uncreped through-air dried webs. In accordance with the present disclosure, the webs are formed in a through-air drying process in which the transfer fabric and the through-air drying fabric are both textured fabrics having a substantially uniform high strain distribution in the cross-machine direction. Various improvements in properties in the cross-machine direction are exhibited by deforming or molding a tissue web against one or more of the fabrics during the tissue making process.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Anti-vibration bracket for tubular motor
InactiveUS20060086874A1Decrease their propagationHorizontal stiffness is lowSpringsShutters/ movable grillesStiffness coefficientCoil spring
A bracket includes a rigid member that can be fastened to a fixture such as a wall, and flexible elements depend downwardly from the rigid member and are engaged with a tubular motor assembly of a window covering, awning, projector screen, or the like, to couple the motor assembly to the fixture while attenuating the propagation of vibrations from the tubular motor assembly to the fixture. This reduces noise in the room. The flexible elements may be flexible strings, elastic strings, or coil springs and have horizontal stiffness coefficients much lower than the vertical stiffness coefficient.
Owner:SOMFY SAS
Sanitary napkin having a low stiffness region and incisions
ActiveUS7857797B2Less noticeableAvoid breakingSanitary towelsBaby linensEngineeringMechanical engineering
Owner:UNI CHARM CORP
Implantable Obstructive Sleep Apnea Sensor
ActiveUS20090078274A1Low stiffnessEndoradiosondesSnoring preventionSensor systemObstructive sleep apnea
Systems and methods for detecting an obstructive sleep apnea event are disclosed herein. The systems and methods may use an electrical output generating ionic polymer metal composite sensor attached to a region in an airway passage in an oral cavity. The electrical output may be wirelessly transmitted as a signal for indication of an obstructive sleep apnea event. The signal may be further analyzed for treatment of the obstructive sleep apnea event.
Owner:MEDTRONIC XOMED INC
Toughened Polylactic Acid Polymers and Copolymers
InactiveUS20070182041A1Low tensile modulus valueMaintain good propertiesSuture equipmentsCatheterToughnessPolymer chemistry
Toughened compositions of PLA and PLA copolymers are disclosed, which also have low tensile modulus values and greater elongation to break. These toughened compositions are prepared by blending PLA and PLA copolymers with poly-4-hydroxybutyrate, and copolymers thereof. Blending of poly-4-hydroxybutyrate with PLA and its copolymers has been found to impart advantageous properties to the resulting blend. These compositions, and objects formed from these compositions, have improved toughness and lower stiffness than polylactic acid polymers or copolymers alone.
Owner:TEPHA INC
Non-pneumatic tire having web spokes
InactiveUS7650919B2High effective radial stiffness in tensionLow effective radial stiffnessNon-inflatable tyresPneumatic tyre reinforcementsGround contactElastomer
Owner:MICHELIN RECH & TECH SA
Pump or rotary cutter for operation in a fluid
ActiveUS9217442B2Drop in viscosityLow injection pressurePump componentsBlood pumpsEngineeringChemical reaction
The invention relates to a fluid pump or rotary cutter having at least one first element which can be brought from a transport state into an operating state by changing at least one mechanical property. Such a pump can, for example, be a blood pump for the medical, microinvasive area. The object of achieving a transition between the transport state and the operating state which is as comfortable as possible and in so doing leaving a freedom in the design of the corresponding apparatus, in particular of a pump, which is as large as possible, is achieved using the means of the invention in that the first element at least partly comprises a material or can be filled with a material or material mixture which passes through a chemical reaction, in particular cross-linking, or a crystallization for transition into the operating state.
Owner:ECP ENTWICKLUNGSGMBH
RFID tire label
InactiveUS20060290505A1Fast and reliable and accurate data collectionLower resistanceSolid-state devicesSensing record carriersFace sheetPressure sensitive
A smart RFID tire label in which the RFID antenna base film is the label face sheet. The antenna pattern, chip and pressure sensitive adhesive are on one side of the base film. This side is applied against the tire surface. The antenna base film acts as the durable label material protecting the antenna and chip from harsh environments associated with tire manufacturing and the wheel / chassis assembly process. The label may be large enough to seal the RFID insert when the label is attached to a tire, thus further protecting the RFID insert from damage.
Owner:INTERMEC IP
Lithographic apparatus, device manufacturing method and device manufactured thereby
InactiveUS20050002008A1Low stiffnessMinimal effortBearing assemblyInvestigating moving sheetsMagnetic bearingEngineering
A lithographic projection apparatus includes a passive magnetic bearing configured to provide support between a first and second part of the lithographic apparatus and allow both parts to be displaced relative to each other in a direction perpendicular to the support direction. The passive magnetic bearing includes first and second magnetic assemblies. Each magnetic assembly includes at least one permanent magnet.
Owner:ASML NETHERLANDS BV
Safety outerwear with fire resistant mesh
InactiveUS20070094763A1Avoid wear and tearConstant exposureChemical protectionHeat protectionEngineeringStructural engineering
An article of safety outerwear has a main body piece that receives a portion of the body of a wearer in use. The main body piece includes a garment wall that defines inside and outside wall portions. The inside wall portion presents a smooth surface to the body of the wearer in use. The outside wall portion is adapted for constant exposure to environmental conditions and to protect against abrasion during working and / or athletic activity. The garment wall is formed at least in part from a vent portion, such that at least a portion of each of the inside and outside wall portions is defined thereby. The vent portion is constructed solely from one or more layers of a mesh material, and is safety rated with a flame resistant rating qualifying same for flame resistant use in hazardous environments. The mesh material operatively has an open texture for high breathability.
Owner:MESHWEAR TECH
Embedded features and methods of a dental appliance
InactiveUS20080020337A1Improve treatmentGood lookingOthrodonticsDental toolsOrthodonticsDental appliances
Traditional orthodontic treatment often involves the use of basic repositioning devices, such as braces, and the use of supplementary devices, components or accessories to achieve desired end results. Such components may be mounted on fixed, non-removable devices or they may be part of a removable appliance typically worn prior to the application of the fixed devices. As with traditional treatment, it may be desired to utilize similar components when repositioning teeth with removable elastic repositioning appliances. Due to the nature of elastic appliances, such components may take a variety of forms ranging from readily available traditional accessories to specially created devices. Thus, traditional components may be mounted on or embedded in an elastic appliance, or the appliance may be formed to provide similar components. Likewise, the appliance may be modified to provide additional features for specific orthodontic treatments.
Owner:ALIGN TECH
Active/passive distributed absorber for vibration and sound radiation control
InactiveUS6700304B1Low stiffnessImprove dynamic performanceEar treatmentPiezoelectric/electrostriction/magnetostriction machinesElectricityResonance
The active / passive absorber for extended vibration and sound radiation control includes principally two layers. The first layer has a low stiffness per unit area which allows motion in the direction perpendicular to its main plane. The second layer is principally a mass layer. These two combined layers have a frequency of resonance close to one of the main structure. The dynamic behavior of the coupled system makes the active / passive absorber a passive absorbe; however, the first layer can be electrically actuated to induce motion in the direction perpendicular to its main plane. This addition property induces and / or changes the motion of the mass layer and therefore improves the dynamic properties of the active / passive absorber system.
Owner:VIRGINIA TECH INTPROP INC
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