37results about How to "Impart strength" patented technology

A ureteral stent for assisting movement of urine along a patient's ureter and into the patient's bladder. The stent includes an elongated tubular segment extending toward the bladder from a kidney end region for placement in the renal cavity to a bladder end region. A central lumen connects at least one opening at the first end region to at least one opening in the bladder end region. Thin flexible tail(s) are attached to the bladder end region of the tubular segment at a point outside the bladder so as to receive urine from the opening in the bladder end region of the tubular segment and to transport urine from there across the ureter / bladder junction and into the bladder. The tails include an elongated external urine-transport surface sized and configured to transport urine along the ureter. The urine transporting surface(s) are sized and configured to extend along at least part of the ureter, across the ureter / bladder junction, and from there into the bladder.

A method for rigidifying a fiber-based paper substrate for use in the exhaust system of a combustion device. In the method, a green ceramic fiber-based paper substrate is impregnated with an impregnating dispersion. The impregnated substrate is then dried, calcined and fired to form a rigidified substrate that is suitable for use in the exhaust system of a combustion device. This rigidification process is performed at least once and, preferably, two or more times. The green paper substrate comprises two or more sheets of green ceramic fiber-based paper, with at least one creased sheet and another sheet being a laminated together to form a plurality of tubular channels. The rigidified substrate comprises refractory ceramic fibers in the form of a ceramic fiber-based paper and agglomerates of ceramic particles. The ceramic particle agglomerates are bonded to and disposed so as to thereby bond together the refractory ceramic fibers at spaced locations along and at intersections of the refractory ceramic fibers so that the refractory ceramic fibers retain much of their original flexibility while in the paper.

A modular barrier includes a plurality of substantially identical barrier sections each section having a base portion surmounted by an upright portion. The upright portion has projections with substantially semi-cylindrical outer surfaces at its ends. Correspondingly shaped recesses are also provided. At a femal end, the base portion includes a nose. The surface of the nose is a surface of rotation of the profile of the base portion. At the male end, the base portion includes a correspondingly shaped cavity. The first and second projections and the nose are provided with bores. When the female end of the barrier section is brought up to a male end of a similar, adjacent barrier section, the projections mate with one another and the nose is received in the cavity of the adjacent barrier section. A hinge pin may then be passed through the bores for allowing one barrier section to be articulated to an adjacent barrier section with the joint between the two portions of adjacent barrier sections presenting an essentially smooth profile irrespective of the angle between the two adjacent barrier sections.

A modular barrier includes a plurality of identical barrier sections. Each section 10 includes a base portion 12 surmounted by an upright portion 14. The upright portion has projections 16, 18 with substantially semicylindrical outer surfaces at its ends. Correspondingly shaped recesses 20, 22 are also provided. At a female end, the base portion 12 includes a nose 28. The surface of the nose is a surface of rotation of the profile of the base portion 12. At the male end, the base portion 12 includes a correspondingly shaped cavity 30. The first and second projections 16, 18 and nose 28 are provided with bores 32, 34, 36. When the female end of the barrier section 10 is brought up to a male end of a similar section, the projections mate with one another and the nose 28 is received in the cavity 30 of the similar section. A hinge pin (not shown) may then be passed through the bores 32, 34, and 36. By means of this device, one barrier section can be articulated to the next and the joint between the two base portions of adjacent barrier sections presents an essentially smooth profile irrespective of the angle between the two.

A method for producing an alkylsiloxane aerogel of the invention includes (a) a step of letting a reaction to produce a sol and a reaction to convert the sol to a gel take place in one step by adding a silicon compound whose molecules have a hydrolysable functional group and a nonhydrolysable functional group to an acidic aqueous solution containing a surfactant, and (b) a step of drying the gel produced in the step (a). In the step (b), the gel is dried at a temperature and a pressure below the critical point of a solvent used to dry the gel.

A cup comprises a container having a flat bottom wall pierceable by a needle, a filter has a flat filter bottom supported on or sufficiently close to the flat bottom to allow the needle to push part of the flat filter bottom upwards to form a beverage collection chamber, a lid having an outer sidewall and a sloped inner sidewall to transform the brewing pressure in the cup into radial outward force acting on the outer sidewall to impart rigidity to the lid during brewing, and a pressure sensitive adhesive O-ring between the horizontal wall of the lid and the container rim. The cup may comprise a pressurization chamber enclosed by the outer sidewall, inner sidewall and a top film and adapted to become pressurized and expanded when hot water is injected into the cup, thereby imparting rigidity to the lid and improving the seal to the container.

The present invention provides an iridium alloy suitable for a wire rod for probe pins, with zirconium as an additive element contained as an essential element and with aluminum and / or copper further added. In this iridium alloy, the additive concentration of zirconium is 100 to 500 ppm and the total additive concentration of aluminum and copper is 10 to 500 ppm. The present invention will be able to meet such requirements placed on a material for probe pins as that further miniaturization thereof would be demanded in the future and that use environment thereof becomes severe.

To provide a fluorine-containing rubber composition comprising (a-1) a non-perfluoro fluorine-containing rubber and (b-1) a fluorine-containing multi-segment polymer comprising an elastomeric fluorine-containing polymer chain segment and non-elastomeric fluorine-containing polymer chain segment, in which structural units of each of the elastomeric fluorine-containing polymer chain segment and the non-elastomeric fluorine-containing polymer chain segment comprise not less than 90% by mole of a perhalo olefin unit. The fluorine-containing rubber composition is capable of providing a clean sealing material for semi-conductor production apparatuses without using a filler.

Exercise apparatus (10) for training the abdominal muscles of a user (41) comprises a lever frame (11) linked to a support frame (12) at a pivot (13). The lever frame (11) has first and second arms (14, 15) joined at a central junction (16) which also forms a fulcrum for the lever frame (11). The support frame (12) consists of a base member (19) having a seat portion (21) associated therewith. The apparatus (10) is adapted to support a user (41) in a half-kneeling position so as to promote neutral pelvic alignment during the performance of abdominal muscle training exercise. In use, the exercise apparatus (10) is operated by the user (41) pushing the first arm (14) away from his or her body so as to cause the lever frame (11) to rotate about its fulcrum (16). This lifts the second arm (15), which in turn causes the seat portion (21) associated with the base member (19) to lift and / or tilt. The user's abdominal muscles are thus exercised in lifting his or her own body mass.

Provided herein are methods and compositions for forming a coating on the external surface of a solid chocolate or chocolate-coated product. The method comprises applying at least one layer of a coating composition comprising a solvent selected from water, ethanol, and isopropanol, or any combination thereof and one or more film forming agents to the external surface of the product, and then drying the coating composition to provide a dried coating or film on the external surface of the chocolate. The dried coating renders the external surface of the chocolate more resistant to abrasion or scuffing during processing, packaging, storage, and / or transport. The coating composition of the present invention cures or dries in 30 minutes or less. In certain embodiments, the film or coating cures in 15 minutes or less. In certain embodiments, the film or coating cures in 10 minutes or less.

An article-handling system and method of handling articles with article trays having a support surface and a plurality of generally parallel grooves in said support surface includes loading articles on trays with an article-traying subsystem and unloading articles from trays with an article-detraying subsystem. The article-traying subsystem has a tray conveyor and a loading article conveyor. The loading article conveyor has a plurality of fingers adapted to fit within the grooves of a tray traveling on the tray conveyor at the article conveyor. An article is transferred to the tray support surface with the loading article conveyor. The article-detraying subsystem has a trayed article conveyor and an unloading article conveyor. The unloading article conveyor has a plurality of fingers adapted to fit within the grooves of the tray of a trayed article traveling on the trayed article conveyor at the unloading article conveyor. An article is removed from the tray support surface with the unloading article conveyor.

A method of coating a metal substrate such as the components in second and third stages of gas turbine engines in order to increase the oxidation and corrosion resistance of the metal substrate under high temperature operating conditions, the method including the steps of forming a powdered mixture of a high-melt superalloy or MCrAlY component, where M comprises Fe, Ni and / or Co, and a low-melt component containing about 2-5 wt. % silicon, boron or hafnium, applying the powdered mixture to the surface of the metal substrate at room temperature using an atomized spray to form a uniform surface coating, and then heating the coated substrate surface under vacuum conditions to a temperature in the range of about 1900° F. to 2275° F. to obtain a uniform coating composition providing oxidation resistance to the underlying substrate.

Disclosed are product (e.g., panels), slurry, and methods relating to an uncooked starch having a mid-range peak viscosity (i.e., from about 120 Brabender Units to about 900 Brabender Units).

A method for constructing a structure, preferably a swimming pool, includes the steps of excavating a cavity, applying a sub-base such as sand along at least a portion of the cavity, forming the sub-base into the desired shape of the structure, and applying a solidifier solution to the sub-base. The solidifier solution comprises a polymer in solution. The solidifier solution and the sub-base harden to form a smooth, hard composite layer in the base of the cavity, with the composite layer containing at least some of the polymer and at least some of the sub-base in a polymer lattice. After the solidifier solution has been applied, a liner may be installed, and the swimming pool may be filled.

A sealing assembly has an expansion band having an arcuate band portion and a pair of threaded end portions formed at opposing ends of the arcuate band, in which the arcuate band and threaded end portions are monolithically formed as a single piece. Fixed within respective threaded end portions are a pair of oppositely threaded nuts adapted to receive a bolt having correspondingly oppositely threaded ends. Rotation of the bolt causes the threaded end portions to be simultaneously driven apart or drawn toward one another (depending on the rotation direction of the bolt) to thereby expand or contract the overall outer profile of the arcuate band portion. The monolithically formed expansion band may be made of an inexpensive, non-rusting material such as nylon 66, and glass fibers and / or additives may be employed to impart strength and flexibility.

Provided is a semi-permeable composite membrane which exhibits both high durability and high solute-removal and water-permeation performances. The semi-permeable composite membrane is formed from a porous support membrane and a polymer membrane. The polymer membrane is formed of at least one type of polymer (a) with a positive charge in the repeating unit and at least one type of polymer (b) with a negative charge in the repeating unit and has a crosslinked structure formed by siloxane bonds between the polymer (a) and the polymer (a), between the polymer (a) and the polymer (b), and / or between the polymer (b) and the polymer (b).

A method of laser spot welding a workpiece stack-up (10) that includes at least two overlapping steel workpieces (12, 14, 150) is disclosed. The method includes directing a plurality of laser beams (24, 24′, 24″) at the top surface (20) of the workpiece stack-up to create a molten steel weld pool (92) that penetrates into the stack-up. The molten steel weld pool is then grown to penetrate further into the stack-up by increasing an overall combined irradiance of the laser beams while reducing the total projected sectional area (88) of the laser beams at a plane of the top surface of the workpiece stack-up. Increasing the overall combined irradiance of the laser beams may be accomplished by moving the focal points (66, 66′, 66″) of the laser beams closer to the top surface or by reducing the mean angle of incidence (86) of the laser beams so as to reduce the eccentricity of the individual projected sectional areas of the laser beams.

The present invention relates to a double-sided pressure-sensitive adhesive tape excellent in good balance of both flame retardance and pressure-sensitive adhesive properties, comprising a layer structure of a pressure-sensitive adhesive layer (I), a substrate, and a pressure-sensitive adhesive layer (II) in this order, in which a proportion (Y / X) of a thickness (X) of the pressure-sensitive adhesive layer (I) and a thickness (Y) of the pressure-sensitive adhesive layer (II) is more than 1.00 and less than 2.00.

A method of laser spot welding a workpiece stack-up (10) that includes at least two overlapping steel workpieces (12,14), at least one of which includes a surface coating (40), is disclosed. The method includes directing a laser beam (24) at the top surface (20) of the workpiece stack-up (10) to create a molten steel weld pool (90) that penetrates into the stack-up (10). The molten steel weld pool (90) is then grown to penetrate further into the stack-up (10) by increasing an irradiance of the laser beam (24) while reducing the projected sectional area (86) of the laser beam (24) at a plane of the top surface (20) of the workpiece stack-up (10). Increasing the irradiance of the laser beam (24) may be accomplished by moving a focal point (62) of the laser beam (24) closer to the top surface (20) or by reducing an angle of incidence (82) of the laser beam (24) so as to reduce the eccentricity of the projected sectional area (86) of the laser beam (24).

A partition panel is made of two overlaying sheets of high density polyethylene or other plastic material which have been bonded together around a perimeter and at selected regions such that the partition panel contains bonded regions where the two sheets are bonded together and hollow regions where the two sheets are spaced apart from one another. The partition panel is preferably made by thermoforming.

A method for constructing a structure, preferably a swimming pool, includes the steps of excavating a cavity, applying a sub-base such as sand along at least a portion of the cavity, forming the sub-base into the desired shape of the structure, and applying a solidifier solution to the sub-base. The solidifier solution comprises a polymer in solution. The solidifier solution and the sub-base harden to form a smooth, hard composite layer in the base of the cavity, with the composite layer containing at least some of the polymer and at least some of the sub-base in a polymer lattice. After the solidifier solution has been applied, a liner may be installed, and the swimming pool may be filled. Additionally, the solidifier solution may be applied directly to the cavity, or to masonry or other materials, and may be used to construct any applicable structure.

A coalescence filter including an inlet for supplying the gas to a filter element present in the coalescing filter, which filter element includes a coalescence medium for coalescing at least one disperse liquid phase during a displacement of a gas through the coalescence medium in a flow direction. The filter element downstream of the coalescence medium includes a drainage medium for draining the at least one coalesced disperse phase leaving the coalescence medium. The filter element contains a barrier layer positioned downstream of the coalescence medium, where the coalescence medium and the barrier layer are held at a distance from each other by one or more spacers to provide a drainage zone in the drainage layer of a drainage medium between a surface of the coalescence medium facing the barrier layer and the barrier layer for draining the coalesced disperse phase in a drainage direction.

A polymer of siloxanes as flexibility monomers and strength monomers is provided. It is also provided a polymer blend that contains a polymer formed of siloxane monomers and strength monomers and another biocompatible polymer. The biocompatible polymer or polymer blend described herein and optionally a bioactive agent can form a coating on an implantable device such as a drug-delivery stent. The implantable device can be used for treating or preventing a disorder such as atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, or combinations thereof.

The invention provides a biomaterial and a method of selecting a biomaterial for a rotator cuff repair procedure. The biomaterial includes a bone-tendon allograft and the use of the biomaterial in rotator cuff repairs may provide immediate bone-tendon integrity and function, which may result in lower failure rates and enhanced clinical success.