39results about How to "Low in its friction property" patented technology

An ocular lens material comprising a copolymer prepared by polymerization with heating of a monomer mixture and / or with irradiating a monomer mixture with ultraviolet ray by means of a molding method, the monomer mixture containing a polysiloxane macromonomer A, a Si-containing alkyl methacrylate B, a hydrophilic monomer C comprising NVP as C-1 and another hydrophilic monomer C-2, another monomer D and a crosslinkable monomer E comprising a crosslinkable monomer E-1 containing at least one group selected from acryloyl group, vinyl group and allyl group, and methacryloyl group, and a crosslinkable monomer E-2 containing at least two methacryloyl groups as main components, wherein (A+B) / C (weight ratio) is 30 / 70 to 70 / 30, A / B is 25 / 75 to 75 / 25, C-1 / C-2 is 50 / 50 to 100 / 0, the amount of D is 0 to 20% by weight in the monomer mixture, which has high oxygen permeability, high mechanical strength, excellent surface wettability and low surface frictional property.

A membrane, particularly a weather protection membrane, is made from a reinforcing element, such as a regularly laid, woven or non-woven fabric, grid, mesh or scrim having a dimensionally mechanical stable polymer fiber, filament or wire material. First and second polymer foils are provided, preferably of a weather resistant polymer material. Two bands of polymer material are further provided, preferably of a weather resistant polymer material, including a woven or non-woven layer and exhibiting low frictional properties. The reinforcing element is interlaid and sandwiched between the first and second foils, and the bands are positioned edgewise at the first and second foils, and at least partly overlapping the reinforcing element. The first and second foils are laminated together and to the bands for sandwiching the foils for providing an integral structure.

Occlusion and release of lithium ion are likely to one-dimensionally occur in the b-axis direction of a crystal in a lithium-containing composite oxide having an olivine structure. Thus, a positive electrode in which the b-axes of lithium-containing composite oxide single crystals are oriented vertically to a surface of a positive electrode current collector is provided. The lithium-containing composite oxide particles are mixed with graphene oxide and then pressure is applied thereto, whereby the rectangular parallelepiped or substantially rectangular parallelepiped particles are likely to slip. In addition, in the case where the rectangular parallelepiped or substantially rectangular parallelepiped particles whose length in the b-axis direction is shorter than those in the a-axis direction and the c-axis direction are used, when pressure is applied in one direction, the b-axes can be oriented in the one direction.

Provided is an absorbent pad for being used with a sanitary tampon, which includes a pad body having liquid absorbency. The pad body has front and rear faces, and a string receiving portion. The string receiving portion passes through from the front face to the rear face so that a string extending from the tampon can be inserted into the string receiving portion.

The endless track of a track-propelled vehicle has an inner face provided with a series of longitudinally spaced guide blocks; the guide blocks have, on an opposite side faces thereof, pads made of low friction resin material to contact the mid rollers of the track assembly.

An indoor-outdoor manually-propelled variable-resistance exercise sled for one or multiple users. The exercise sled features a rigid and durable weight-bearing platform. To protect indoor flooring surfaces, a removable, flexible, non-grip protective pad may be attached to the bottom of the exercise sled. When the protective pad is removed, the exercise sled can also be used on outdoor ground surfaces. The exercise sled includes dual attachment plates at opposite ends to provide multiple force application points to permit a variety of optional implements to be connected to the exercise sled. A removable handle assembly provides an additional force application surface. In combination, the various attachment points afford a multitude of pulling and pushing, lower-extremity and upper-extremity, functional exercises for one or simultaneously by multiple users.

A slide member according to the present invention includes: a substrate of at least one element selected from a group made up of V, Cr, Fe, Co, Ni, Zr, Nb, Mo, Ta, W, Ir and Pt; a gradient layer containing chromium and carbon formed on the substrate; and a hard carbon coating layer formed on the gradient layer, in which the graded layer has a component conformation comprising a gradually decreasing chromium concentration and gradually increasing carbon concentration from the substrate side to the hard carbon coating layer side, and the hard carbon coating layer contains aluminum.

An indoor-outdoor manually-propelled variable-resistance exercise sled for one or multiple users. The exercise sled features a rigid and durable weight-bearing platform. To protect indoor flooring surfaces, a removable, flexible, non-grip protective pad may be attached to the bottom of the exercise sled. When the protective pad is removed, the exercise sled can also be used on most outdoor ground surfaces. The exercise sled includes dual attachment plates at opposite ends to provide multiple force application points to permit a variety of optional implements to be connected to the exercise sled. A removable handle assembly provides an additional force application surface. In combination, the various attachment points afford a multitude of pulling and pushing, lower-extremity and upper-extremity, functional exercises for one or simultaneously by multiple users.

Provided is a cross-linkable fluororubber composition capable of giving a fluororubber cross-linked molded article that has excellent mechanical strength and low friction properties. The cross-linkable fluororubber composition includes a coagulum obtained by co-coagulating a fluororubber (A) and a fluororesin (B).

There is disclosed a coating composition comprising any one or more of a fluorooxyalkylene-containing one-terminal hydrolysable polymer as shown by the following formula (1),and a fluorooxyalkylene-containing both-terminal hydrolysable polymer as shown by the following formula (2).As a result, there is provided a coating composition comprising any one or more of a fluorooxyalkylene-containing one-terminal hydrolysable polymer and a fluorooxyalkylene-containing both-terminal hydrolysable polymer, having excellent water-repellent and oil-repellent properties and chemical resistance as well as excellent scratch resistance and surface sliding property.

A terminal for an engaging type connector includes a punched Cu alloy strip as a base material, a coating formed on the Cu alloy strip by postplating processes and including a Sn layer, and a Cu—Sn alloy layer sandwiched between the base material and the Sn layer. The Sn layer is smoothed by a reflowing process. The terminal has an engaging part and a solder-bonding part, and the surface of a part of the base material corresponding to the engaging part has a surface roughness higher than that of the surface of the base material corresponding to the solder-bonding part. The engaging part has a low frictional property and the solder-bonding part has improved solder wettability.

A sliding contact surface-forming material includes a reinforcing base impregnated with a resol-type phenolic resin having polytetrafluoroethylene resin dispersed therein. The reinforcing base is composed of a woven fabric formed by using, respectively as the warp and the weft, a ply yarn which is formed by paralleling at least two strands of a single twist yarn spun from fluorine-containing resin fiber and a single twist yarn spun from polyphenylene sulfide fiber, and by twisting them in the direction opposite to the direction in which the single twist yarns were spun. Also, a multi-layered sliding contact component having the overall shape of a flat plate or a circular cylinder includes the sliding contact surface-forming material so as to configure at least the sliding-contact surface thereof.

The present invention provides a swash plate, for a swash plate compressor, which is excellent in a resistance to the occurrence of seizing in a condition where an extreme pressure is generated owing to local contact between the swash plate and a shoe which slides thereon and in a condition where lubricating oil is depleted, capable of preventing cavitation-caused erosion of a resin film when the swash plate is operated at a high surface pressure and a high speed in the presence of the lubricating oil and the swash plate compressor having the swash plate. A swash plate (3) for a swash plate compressor is so constructed that inside a housing (1) where a refrigerant is present, the refrigerant is compressed and expanded by converting a rotational motion of the swash plate (3) mounted perpendicularly and obliquely on a rotational shaft (2) by directly fixing the swash plate (3) to the rotational shaft (2) or indirectly fixing the swash plate (3) to the rotational shaft (2) through a coupling member into a reciprocating motion of a piston (5) through a shoe (4) which slides on the swash plate (3) into a reciprocating motion of a piston (5) through a shoe (4) which slides on the swash plate (3). A resin film containing 25 to 70 parts by weight of fluororesin and 1 to 20 parts by weight of graphite for 100 parts by weight of matrix resin and having a tensile shear adhesive strength not less than 25 MPa is formed on a sliding contact surface of the swash plate (3) on which the shoe (4) slides.

Provided is a cross-linkable fluororubber composition capable of giving a fluororubber cross-linked molded article that has excellent mechanical strength and low friction properties. The cross-linkable fluororubber composition includes a coagulum obtained by co-coagulating a fluororubber (A) and a fluororesin (B).

The present invention relates to a medical tube article comprising a polymer mixture of a thermoplastic or thermocuring polymer base material and an amphiphilic block copolymer.

An inlet port provides a fluid entrance to a body. A chamber has an inner surface. An outlet port is in fluid communication with the chamber and provides a fluid exit from the body. The piston is moveable within the chamber between a first set position, in which the inlet port is not in fluid communication with the outlet port, and a second open position, in which the inlet port is in fluid communication with the outlet port through the chamber. A seal guard is slidably disposed within the chamber. The seal guard is moveable between a first seal-guard position and a second seal-guard position in which the seal guard shields the seal. The seal guard is in the first seal-guard position when the piston is in its first set position and in the second seal-guard position when the piston is in its second open position.

A sucker rod string is formed from sucker rods and sucker rod couplings. The sucker rod couplings are formed from a spinodally-hardened copper alloy comprising from about 8 to about 20 wt % nickel, and from about 5 to about 11 wt % tin, the remaining balance being copper, and having a sliding coefficient of friction of 0.4 or less when measured against carbon steel. The sucker rod string has low friction and improved pumping stroke, enhanced pumping capacity, and less load in the overall system.

A method of making a ready-to-use catheter assembly is provided, which can be immediately used by a patient. The ready-to-use catheter assembly ensures that the catheter does not suffer from a loss of quality during its shelf life and a wetting medium are provided. The method comprises: placing a catheter with an inactivated hydrophilic outer surface at least along its insertable length and a wetting medium in a catheter package; treating the catheter package with the catheter and the wetting medium with electro-magnetic and / or particle radiation while at least initially the hydrophilic outer surface at least along the insertable length of the catheter remains inactivated; and activating the hydrophilic outer surface at least along the insertable length of the catheter with the wetting medium during and / or after the radiation treatment and wherein the wetting medium decreases in viscosity when submitted to electro-magnetic and / or particle radiation.

Occlusion and release of lithium ion are likely to one-dimensionally occur in the b-axis direction of a crystal in a lithium-containing composite oxide having an olivine structure. Thus, a positive electrode in which the b-axes of lithium-containing composite oxide single crystals are oriented vertically to a surface of a positive electrode current collector is provided. The lithium-containing composite oxide particles are mixed with graphene oxide and then pressure is applied thereto, whereby the rectangular parallelepiped or substantially rectangular parallelepiped particles are likely to slip. In addition, in the case where the rectangular parallelepiped or substantially rectangular parallelepiped particles whose length in the b-axis direction is shorter than those in the a-axis direction and the c-axis direction are used, when pressure is applied in one direction, the b-axes can be oriented in the one direction.

A device for the thermal treatment of yarns comprising at least one inlet opening and at least one outlet opening for at least one transport means, which transports the yarn through the device, and comprising separating elements at the inlet opening and the outlet opening for thermal shielding, in order to minimise the exchange of media to the environment. The separating elements are configured to have a low bending rigidity and are arranged such that a surface load is applied onto the yarn lying on the transport means, for example a conveyor belt, which is not greater than 0.005 kg*cm−2.

A swash plate, for a swash plate compressor, which is excellent in resistance to the occurrence of seizing in a condition where an extreme pressure is generated owing to local contact between the swash plate and a shoe which slides thereon and in a condition where lubricating oil is depleted, capable of preventing cavitation-caused erosion of a resin film when the swash plate is operated at a high surface pressure and a high speed in the presence of the lubricating oil and the swash plate compressor having the swash plate. A swash plate (3) for a swash plate compressor is so constructed that inside a housing (1) where a refrigerant is present, the refrigerant is compressed and expanded by converting a rotational motion of the swash plate (3) mounted perpendicularly and obliquely on a rotational shaft (2).

An inlet port provides a fluid entrance to a body. A chamber has an inner surface. An outlet port is in fluid communication with the chamber and provides a fluid exit from the body. The piston is moveable within the chamber between a first set position, in which the inlet port is not in fluid communication with the outlet port, and a second open position, in which the inlet port is in fluid communication with the outlet port through the chamber. A seal guard is slidably disposed within the chamber. The seal guard is moveable between a first seal-guard position and a second seal-guard position in which the seal guard shields the seal. The seal guard is in the first seal-guard position when the piston is in its first set position and in the second seal-guard position when the piston is in its second open position.