|| List of recent Stiffness-related patents
| Rf energy delivery system and method|
Devices, systems and methods are disclosed for the ablation of tissue. A steerable ablation catheter can include one or more ablation elements at its distal end and one or more ablation elements fixedly attached to its shaft.
| Engineered aggregates for metamaterials|
Materials and methods for implementing engineered aggregates in metamaterials are provided. The engineered aggregates may be tuned to oscillate resonantly under the influence of an external force improving the dynamic performance of the metamaterial by impeding dynamic excitation.
| Vacuum-grooved membrane abrasive polishing wafer workholder|
Hard-material, flat-surfaced workpieces such as semiconductor wafers or sapphire disks are attached with vacuum to the flexible elastomeric membrane of a wafer carrier that allows one surface of the workpiece to be in conformal abrading contact with a moving flat-surfaced abrasive. The elastomeric membrane external wafer attachment surface has a pattern of recessed vacuum grooves and vacuum is supplied to the grooves to firmly attach the rigid-material silicon wafer in flat-surfaced contact with the membrane.
| High-modulus superelastic alloy wire for medical and dental purposes|
A wire used in the medical field for guiding purposes, as well as in other fields, such as in the field of orthodontics for teeth aligning purposes. The wire, when prepared for use in such applications, exhibits an innovative blend of advantageous properties, including enhanced kink resistance over stainless steel wires and enhanced stiffness over nitinol wires, which enhance its use as a medical guidewire or stylet, and further, as an arch wire in orthodontia applications..
| D, l-cyclic peptide nanotube reinforcing agents|
The disclosed subject matter can provide a nanotube-reinforced polymer composite material comprising a plurality of nanotubes, each nanotube being formed of a plurality of cyclic peptide molecules, disposed within a polymer matrix, such as a biodegradable polymer matrix. A cyclic polymer, such as a cyclic 8-mer, composed of amino acid residues of alternating absolute configurations (d/l, r/s), can self-assemble into nanotubes useful for preparation of the composite polymer material of the invention.
| Elastic attachment assembly and method of reducing positional variation and increasing stiffness|
An elastic attachment assembly is provided. The elastic attachment assembly includes a first component having a base outer surface.
| Front floor panel|
A front floor panel for an automotive body as a lightweight sheet can be reliably press-formed without a press forming loads becoming excessively large, can have desired stiffness, and noise and vibration characteristics for all directions since there is little stiffness anisotropy. The front floor panel includes a floor tunnel formed in a center in an automotive width direction to be oriented to a longitudinal direction, upright flanges disposed left and right formed at a left and right end portions in the automotive width direction to be joined to side sills, and a left and right plane portions formed between the upright flanges disposed left and right and a left and right longitudinal wall portions of the floor tunnel.
| Plastic hose with antistatic/dissipative properties|
A plastic hose with antistatic properties, comprising: a hose wall of plastic and a reinforcement of plastic, wherein the reinforcement has a higher stiffness than the hose wall. The equalizing of charge concentrations within the hose and the conduction of electrical charges away from the hose is to be ensured by means of an inner layer of an antistatic/dissipative or electrically conducting plastic..
| Method and specimen for testing handling in tires|
This invention is directed to test devices and methods using subscale cylindrical laminates formed from general rubber composite plies as surrogates for full-size tires to predict how changes in the tire construction would impact tire cornering stiffness of the full-size tires.. .
|Viscoelastic silicone rubber compositions|
This invention relates to viscoelastic silicone rubber compositions that are the products of the reaction of: (a) a silanol-terminated polyorganosiloxane base; (b) a boron-containing crosslinking agent; and (c) a siloxane bond-forming crosslinking agent. In a viscoelastic silicone rubber composition of the invention some of the crosslinks, the siloxane crosslinks, are permanent and others of the crosslinks, the boron-containing crosslinks, are temporary.
A fitness apparatus includes a first frame, a second frame, a nose part, a linear elastic element, and a lever. The second frame and the nose part are coaxially and pivotally connected to the first frame.
|Adjustable eyeglasses cord|
An adjustable eyeglasses cord structure is provided, which mainly comprises two temple sleeves, two spherical plugs, two retaining buckles and a cord. The open end of each temple sleeve has an accommodation space for receiving the temple and the tail end has a spherical chamber corresponding to the spherical plug.
|Variable thickness roll formed beam|
A bumper reinforcement beam provides improved bending stiffness and strength, while reducing weight and maintaining functional bending impact strength. The illustrated beam is roll formed and includes a b-shaped cross section with upper and lower tubular sections sharing a common horizontal wall.
A fenestrated tracheostomy tube has a shaft (1) made of a silicone or other soft material. The fenestrated region (10) located in the trachea (20) has two rows of several openings (11) along the centre line of the tube.
|Segmental ureteral stent|
Ureteral stents assembled from multiple segments and methods for using the same in body lumens are described. The ureteral stents optionally include multiple segments having different compositions or characteristics, such as radiopacity, stiffness or flexibility, and loading with therapeutic agents..
|Electrosurgical pencil with a smoke evaporation tube|
An electrosurgical pencil for cutting tissue during surgery by application of electrical energy supplied from a generator. A tube is provided for evacuation of smoke from the site of surgery.
|Silyl-protected nitrogen-containing cyclic compounds and making method|
Silyl-protected nitrogen-containing cyclic compounds having formula (1) are provided wherein r1, r2 and r3 each are a monovalent hydrocarbon group, r4 and r5 each are a divalent hydrocarbon group, r6, r7 and r8 each are h or a monovalent hydrocarbon group. A is —c(o)or9 or —c≡n, r9 is a monovalent hydrocarbon group, and a is 0 or 1.
A liquid cosmetic which minimizes stickiness or stiffness caused by the incorporation of a large amount of a moisturizing agent is provided. This liquid cosmetic contains 10 to 40% by mass of a moisturizing agent (a), 0.01 to 3% by mass of an oil (b), 0.01 to 5% by mass of a hydrophilic surfactant (c), and 0.001 to 0.3% by mass polyacrylic acid or a metal salt thereof (d), and wherein an average emulsified particle size is 500nm or smaller.
|Rotor blade assembly having a stiffening root insert|
A rotor blade assembly for a wind turbine having a rigid root insert is disclosed. The rotor blade assembly includes a blade root section having an end face with a substantially annular cross-section defined by an outer sidewall surface and an inner sidewall surface.
|Blade bearing with support structure having non-uniform stiffness and method manufacture|
A blade bearing for mounting a blade of a wind turbine to a hub of the wind turbine comprises inner and outer rings arranged next to each other. One of the inner and outer rings is configured to mount to the blade, and the other is configured to mount to the hub.
|Stabilizer for microphone diaphragm|
A stabilizer for use in stabilizing a diaphragm of an audio device, such as a microphone transducer or a speaker driver. The stabilizer is configured to be attached to the diaphragm to provide stability to the diaphragm, which may be in the form of one or more of counteraction to asymmetric movement about the center of mass of the voice coil; counteraction to rotation in a direction perpendicular to the desired axial motion of the diaphragm; and additional nonlinear stiffness for mechanical limiting of the diaphragm in the axial direction, which may assist in preventing large excursions of the diaphragm from atypical sources, such as drop, shock, etc..
|Hydro-form bonded bolster|
A vehicle front end load bearing bolster is provided with improved structural performance and a lower component weight, while also minimizing material, tooling, and production costs. The front end assembly is formed with a hydro-formed cross car reinforcement tube secured or bonded with mechanical fasteners and room temperature adhesive to a bolster, thereby improving stress distribution and increasing cross car system stiffness.
Disclosed is a high-current switch comprising a first fixed contact, a second fixed contact spaced apart from the first fixed contact, and at least one contact bridge that is movable relative to the two fixed contacts and an advancing device for transferring the contact bridge from an open position, in which the two fixed contacts are not connected to one another, to a closed position, in which the contact bridge electrically connects the two fixed contacts to one another. The advancing device is configured such that it is non-resilient, the stiffness of the contact bridge and of the advancing device corresponding to a value of at least 50,000 knmm2 in the direction of the pressing force, and the lowest natural frequency of the system, which consists of the contact bridge and the advancing device, being higher than 2,000 hz in the direction of the pressing force..
|All electric piezoelectric finger sensor (pefs) for soft material stiffness measurement|
A pefs (piezoelectric finger sensor) acts as an “electronic finger” capable of accurately and non-destructively measuring both the young's compression modulus and shear modulus of tissues with gentle touches to the surface. The pefs measures both the young's compression modulus and shear modulus variations in tissue generating a less than one-millimeter spatial resolution up to a depth of several centimeters.
|Methods and systems for material fixation|
A soft tissue fixation system, most typically applicable to orthopedic joint repairs, such as anterior cruciate ligament (acl) knee repair procedures, comprises an implant which is placeable in a tunnel disposed in a portion of bone, wherein the tunnel is defined by walls comprised of bone. A first member is deployable outwardly to engage the tunnel walls for anchoring the implant in place in the tunnel, and a second member is deployable outwardly to engage tissue material to be fixed within the tunnel.
|Guide wire for use with cardiovascular lesions|
A guide wire includes elements in a telescoping arrangement which impart stiffness to the guide wire for maneuverability in the tortious cardiac vessels. This arrangement also creates engagements between an inner shaft and the tip, that when released, result in a tip which can move outward with forces sufficient to penetrate a lesion in the coronary vessels..
|Catheter guide wire|
A catheter guidewire for facilitating introduction of a flexible catheter into the human body (e.g., into the bladder) has a proximal end having a first stiffness which is sufficient to facilitate guidance of a stiff plastic expansion sheath through the tissue. A distal end of the guide wire has a second stiffness, substantially less than the first stiffness, to avoid damage to internal walls of the bladder.
An orthopedic device for correcting malpositions of toes comprises a flexible splint extending along the foot's inner side. A corrective force towards the inner side of the foot can be exerted on the big toe by the flexible splint for medializing the big toe.
|Polyester resin composition having good yellowing resistance and impact resistance|
The polyester resin composition of the present invention is characterized by comprising: (a) 100 parts by weight of a high heat resistant polyester resin having a main chain formed by a structure derived from aromatic dicarboxylic acid and alicyclic diol, wherein the melting point of the high heat resistant polyester resin is 200° c. Or more; (b) 0.1 to 80 parts by weight of white pigment; and (c) 1 to 40 parts by weight of polyolefin copolymer.
A biocomposite material (1) and methods of production thereof are described. The biocomposite material (1) exhibits a physical stiffness, strength and toughness comparable to known glass fibre composites while its composition makes it inherently impermeable to water.
|Systems and methods for varying elastic modulus appliances|
The present invention provides improved devices, systems and methods for repositioning teeth from an initial tooth arrangement to a final tooth arrangement. Repositioning is accomplished with a system comprising a series of polymeric shell appliances configured to receive the teeth and incrementally reposition individual teeth in a series of successive steps.
|Method for producing a fermented milk product|
The present invention relates to a method for producing a fermented milk product with enhanced gel stiffness.. .
|Substrate processing apparatus|
The invention relates to a substrate processing apparatus (10) comprising a support frame (60), a radiation projection system (20) for projecting radiation onto a substrate to be processed, a substrate support structure (30) for supporting the substrate, and a fluid transfer system (150). The radiation projection system comprises a cooling arrangement (130) and is supported by and vibrationally decoupled from the support frame such that vibrations of the support frame above a predetermined maximum frequency are substantially decoupled from the radiation projection system.
|Method for evaluating spline parameters for smooth curve sampling|
A computer implemented method and apparatus for reproducing an input curve on a mobile device comprising detecting the input curve, sampling the input curve into a discrete set of vertices, performing a normalized dot product of an edge leading into each one of the discrete set of vertices and a tangent to an edge leading from each one of the discrete set of vertices, setting one or more spline stiffness parameter based on the normalized dot product corresponding to each vertex; and converting the sampled input curve into one or more spline patch with the set spline stiffness parameter corresponding to each vertex.. .
|Adaptive mirror for a laser processing device|
An adaptive mirror for a laser processing apparatus has a housing and a pressure chamber which is arranged in the housing and can be connected to a pressure source. A mirror substrate, which delimits the pressure chamber, is fixedly clamped in the housing.
|Power steering system|
A power steering system includes an eps and a hps. At normal times, an assist force required by a steering system is computed based on a steering torque and a vehicle speed, and the required assist force is generated by the eps and the hps.
|Dynamic trunk leaning support|
A device is provided for supporting a portion of the upper body during forward lean. The device comprises a two pillars anchored to the ground or a stable platform.
|Arm control apparatus, arm control method, arm control program, robot, and integrated electronic circuit for arm control|
In a touch panel display with an arm, a torque calculating unit calculates a torque to be loaded on a touch panel display based on a position acquired by a touch position information acquiring unit and a force acquired by a touch force information acquiring unit, and a stiffness parameter information generating unit generates information about a stiffness parameter for controlling an arm so that the position and the orientation of the touch panel display do not change based on the calculated torque. An arm control unit controls the arm based on the generated information about the stiffness parameter..
|Cryogenic enhancement of joint function, alleviation of joint stiffness and/or alleviation of pain associated with osteoarthritis|
A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve.
|Guidewire having selectively adjustable stiffness and tip curvature|
A guidewire assembly having selectively adjustable stiffness and tip curvature includes a hollow guidewire having a distal portion terminating at a distal tip, a curvature-modifying element anchored to the distal tip, and a stiffness-modifying element displaceable within the hollow guidewire towards and away from the distal tip so as to vary a stiffness of the distal portion. The stiffness-modifying element and the curvature-modifying element are frictionally linked such that movement of the stiffness-modifying element from a current position over a first range of motion causes corresponding displacement of the curvature-modifying element, thereby modifying a state of curvature of at least part of the distal portion of the guidewire.
|Base net and seat structure|
A base net for a back is formed from a three-dimensional stereoscopic knit, and has a configuration in which seams for bringing a pair of ground knitted fabrics thereof to close to each other in a thickness direction are partially provided, predetermined preliminary compression is applied in the thickness direction by the seams, and thereby residual stress is generated in a surface direction (stretching direction). Therefore, stiffness is partially increased by partial improvement in residual stress, and consequently a human body with extreme roughness is supported by nearly uniform pressure.
An acceleration sensor having a substrate and a seismic mass; the acceleration sensor has a main extension plane and includes a spring device, via which the substrate and the seismic mass are connected, such that in an acceleration in a detection direction that runs perpendicular to the main extension plane, the seismic mass is deflectable in the sense of a tilting motion about an axis of rotation running parallel to the main extension plane, the seismic mass furthermore being connected to the substrate via at least one first spring, the stiffness of the first spring in a deflection of the seismic mass in the sense of the tilting motion being lower in the detection direction than the stiffness of the first spring in a deflection in a primary direction extending parallel to the main extension plane.. .
|Calculating fatigue and fatigue failure of structures|
The durability performance of a structure is virtually predicted, enabling the optimization of the durability performance. In a first act, the structure is modeled by a series of calculation points.
|Arm control apparatus, arm control method, arm control program, robot, and integrated electronic circuit for arm control|
There is provided a display information acquiring unit for acquiring display information on a screen of a touch panel display, a touch pattern estimating unit for estimating a region on the screen likely to be touched by a person and a motion direction of the touch based on the display information, a load estimating unit for estimating a load or a torque to the display based on the estimated region and the motion direction, a stiffness parameter information generating unit for generating information for controlling the arm so that the position and the orientation of the display do not change along the touching direction at the time of touch panel input based on the estimated load or torque, and an arm control unit for controlling a stiffness parameter of the arm based on the generated information.. .
|Medical leads and related systems that include a lumen body that is joined to a lead body and that has multiple filar lumens|
Medical leads include a lumen body at an end of the lead, and the lumen body includes multiple filar lumens. The lumen body is joined to a lead body, and electrical connectors are longitudinally spaced along the lumen body.
|Balloon catheters and methods for treating paranasal sinuses|
A set of sinus balloon catheters are provided for treating a patient's paranasal sinus system, including dilating prepared openings, and natural ostia and ducts and excising sinus cavities. These include a balloon catheter with a bend placing a distal segment at 90° to a proximal segment and a balloon catheter which is substantially straight.
|Paper with improved stiffness and bulk and method for making same|
The invention provides a three layered reprographic paper having improved strength, stiffness and curl resistance properties, and a method for making same. The paper has a central core layer made largely of cellulose and bulked with a bulking agent such as a diamide salt.
|Method of strengthening hair fibres|
Hair can be damaged in a number of ways including exposure to heat, bleaching, use of shampoos and styling products, brushing and combing, and exposure to the environment, for example ultra-violet light. Existing treatments designed to repair damaged hair make use of surface active materials that mask the problem rather than actually repairing the hair.
|Controllable polymer actuator|
A controllable polymer actuator (1) comprising a dielectric elastomeric film (2); a first (3) and a second (4) deformable electrode arranged on opposite sides of the dielectric elastomeric film such that application of a voltage between the electrodes causes an active portion (7) of the controllable polymer actuator to change topography. The controllable polymer actuator (1) further comprises a deformation controlling layer (5, 6) connected to the dielectric elastomeric film.
|In bicycle seat|
Among other things, a compliant element is configured to attach a seat of a device on which a user pedals to a frame of the device. The compliant element has a stiffness that is small enough to permit substantially unimpeded rocking of the seat relative to the frame in a plane in which the spine and pelvic bone of the user lie when the user is on the seat, and is large enough to maintain the seat in a substantially horizontal plane when the user is not on the seat..
|Bumper back beam being equipped with a fiber composite reinforcing material with hollow section inside and a bumper having the same|
A bumper back beam according to the present invention comprised as described above has high reliability, by having excellent ability to absorb impact energy because cracks almost do not occur during collision since it not only provides satisfactory strength and stiffness but also has high elongation with synthetic resin and fiber composite reinforcing materials generating synergies, and especially by having excellent impact resistance since fiber composite reinforcing materials take the shape of a hollow section.. .
|Amorphous metal riblets|
An array of aerodynamic riblets is created by a plurality of high stiffness tips with a layer supporting the tips in predetermined spaced relation and adhering the tips to a vehicle surface.. .
|Soundproofing assembly, in particular for a motor vehicle|
This assembly includes an elastic and porous base spring layer intended to be placed facing a surface, in particular of an automobile vehicle, and an intermediate insulation layer impervious to the passage of air, the intermediate layer being positioned on the base spring layer. The airproof intermediate layer has a surface mass density of less than 500 g/m2, the sound proofing assembly including a porous stiffening layer, positioned in contact with the impervious intermediate layer.
|Multimaterial block piece|
The invention provides for a blocking piece comprised of at least two materials having different rigidity/stiffness/hardness, wherein at least one among the two materials is translucent and defines an annular junction surface with respect to the other material. The invention also provides for a process using such a block piece..
A connecting member for the electrically conductive connection of two components, having a (first) conductor which comprises a tubular shell which has at least one opening to reduce axial stiffness.. .
|Mechanism for movement of a mirror in an interferometer, an interferometer incorporating the same and a fourier transform spectrometer incorporating the same|
A mechanism that allows for precise motion of the optics of an interferometer is comprised by two or more diaphragm flexures having high lateral stiffness, creating a superior performing michelson interferometer. When coupled with precise precision control of a mirror surface and a reference laser, the above creates a superior performing fourier transform spectrometer..
|High stiffness waterproof roof panel pad for vehicle and manufacturing method thereof|
A high stiffness waterproof roof panel pad for a vehicle, which is configured by stacking and laminating a waterproof reinforcing layer coated with pe layers on both surfaces of a urethane foam pad, thereby reinforcing the stiffness of a vehicle body panel, preventing the pad from becoming wet due to dew condensation and thus increasing noise and vibration reduction effects and having a waterproof function. Additionally, a method of manufacturing the waterproof roof panel pad includes preparing a hard urethane foam pad, preparing a waterproof reinforcing layer of which both surfaces are coated with pe layers, stacking the waterproof reinforcing layer on both surfaces of the urethane foam pad, laminating the pe layer in contact with the urethane foam pad and integrally forming the urethane foam pad and the waterproof reinforcing layer, and performing a cutting operation according to a shape and a size of a roof panel..
|Coupling having arcuate stiffness ribs|
A coupling for joining pipe elements end to end has a unitary band surrounding a central space for receiving the pipe elements. Ends of the band are in facing relation.
|Micro lead frame structure having reinforcing portions and method|
In one embodiment, a micro lead frame structure includes one or more stiffness reinforcing structures formed on leads and/or connecting structures. The stiffness reinforcing structures can be formed by leaving predetermined portions of the micro lead frame at full thickness including, for example, portions of an inner lead, portions of an outer lead, and portions of a connecting bar, combinations thereof, and other structures.
|Stretched artist canvas with rigid foam back|
A stretched artist canvas frame system is supported with a rigid foam back to either allow artists to apply pressure to a canvas without stretching it and causing sagging, or to allow artists to use the stretched artist canvas as an alternative for artists who paint on board. The frame system is a light weight alternative to painting on board, especially when the paintings become very large.
|Flame retardant thermoplastic resin composition and article comprising the same|
The flame retardant thermoplastic resin composition includes about 100 parts by weight of a polycarbonate resin; about 5 parts by weight to about 30 parts by weight of a rubber modified aromatic vinyl-based copolymer resin; about 10 parts by weight to about 30 parts by weight of an aromatic phosphoric acid ester compound; and about 5 parts by weight to about 100 parts by weight of fillers including wollastonite and talc, wherein a weight ratio of wollastonite to talc ranges from about 1:about 0.1 to about 1:about 0.5. In the flame retardant thermoplastic resin composition, wollastonite and talc are present in a specific ratio, which can provide excellent properties in terms of stiffness such as flexural modulus and bending characteristics, and flame retardancy..
|Constant-velocity joint link with reduced axial stiffness|
The present application provides a drive link for a constant-velocity joint of an aircraft rotor, the link connecting a drive hub attached to a driveshaft to a rotor yoke. The link comprises a leading bearing connected to the drive hub, a trailing bearing connected to the yoke, a central portion between the bearings, and a tension loop connecting the bearings.
|Passive stiffness and active deformation haptic output devices for flexible displays|
A system includes a flexible display configured to display an image and a sensor connected to the flexible display. The sensor is configured to sense an amount of flexure of the flexible display.
|Crossbow comprising a composite material component|
A crossbow may include a crossbow barrel having reduced weight and increased strength and shock resistance to the crossbow. This invention may also aid in improving torsional resistance, improving specific stiffness, and increasing compresses strength.
|Flexible robotic actuators|
Some embodiments of the disclosed subject matter includes a laminated robotic actuator. The laminated robotic actuator includes a strain-limiting layer comprising a flexible, non-extensible material in the form of a sheet or thin film, a flexible inflatable layer in the form of a thin film or sheet in facing relationship with the strain-limiting layer, wherein the inflatable layer is selectively adhered to the strain-limiting layer, and wherein a portion of an un-adhered region between the strain-limiting layer and the inflatable layer defines a pressurizable channel, and at least one fluid inlet in fluid communication with the pressurizable channel.
|Robot device, robot control method, program, and recording medium|
A joint torque computing unit computes a joint torque t1 of a joint necessary to move a joint angle to a target joint angle. A summing unit obtains a sum value u1 indicating the sum of generated forces generated at actuators, from a target stiffness.
|Stents having radiopaque mesh|
A stent including a mesh made of strands. The mesh has at least one radiopaque strand and at least one non-radiopaque strand, and the at least one radiopaque strand and the at least one non-radiopaque strand each have different diameters.
|Folding/retractable pickup truck box cover|
A retractable pickup truck box cover system includes a pivot joint with improved strength, durability, and manufacturability between panels of a panel assembly of the cover system. A sealing system between the panels and along ends of the panel assembly provides improved weather resistance to the cover system.
|Ice hockey runner-blade assembly|
A customizable hockey skate includes a removable runner-blade assembly such that a runner-blade assembly having a first stiffness may be readily replaced with a runner-blade assembly having a second stiffness. The runner-blade assembly may be removably attached to first and second cups that are optionally removably attached to the sole of a skate boot.
|Paper feed apparatus, image forming apparatus and image forming system|
A paper feed apparatus capable of properly feeding various types of sheets is described. The paper feed apparatus includes a plurality of paper feed units, and a control unit which determines the printing suitability of a combination of the sheet and the paper feed unit on the basis of the size and stiffness of the sheet stored in the paper tray.