Abstract: A profiled belt includes a belt body, a profile that is provided on a back surface of the belt body, and a fixation member that detachably fixes the profile to the belt body. The belt body includes a protrusion on the back surface. The profile includes a recess portion to which the protrusion is fitted. The fixation member fixes the profile to the belt body in a state where the protrusion has been fitted to the recess portion. The fixation member is removably inserted to the profile and the protrusion.

Abstract: Provided is a toothed belt comprising: a belt body that includes a plurality of core wires; a back surface part in which the plurality of core wires are embedded; and a plurality of teeth that oppose the back surface in a belt thickness direction. The back surface part and the plurality of teeth are integrally molded using a thermoplastic elastomer. The toothed belt is characterized in that: a belt strength per 1 mm of belt width is at least 1.85 kN; a pitch of the plurality of teeth is at least 20 mm; the height of each of the plurality of teeth is at least 5 mm; and the thickness of the back surface part is at least 4 mm.

Abstract: The present invention relates to a power transmission belt provided with a tension member, a tension member-supporting layer, a tension rubber layer, and a compression rubber layer, the belt having a plurality of cog portions, in which the tension member is formed of an aramid fiber, the compression rubber layer is formed of a vulcanized rubber composition containing a rubber component and aramid short fibers embedded in the vulcanized rubber composition with being arranged in a width direction of the belt, the power transmission belt has a strain of from 0.5 to 0.8% when compressed under a stress of 2.0 N/mm2 in the width direction, and the power transmission belt has a strain of from 0.35 to 0.7% when pulled under a load of 2 kN in the lengthwise direction.

Abstract: An electroconductive paste comprises high melting point metal particles having a melting point that exceeds the firing temperature; molten metal particles containing a metal or an alloy that melts at the firing temperature, for which the melting point is 700° C. or less; active metal particles containing an active metal; and an organic vehicle.

Abstract: This helically toothed belt power transmitting device (1) has: a toothed belt (10) having a plurality of teeth (12) tilted relative to the width direction of the belt; a drive pulley; and a driven pulley. The width of the helically toothed belt (10) is 1 mm to 20 mm, inclusive. The core (13) of the toothed belt (10) is a twisted cord containing high-strength glass fibers or carbon fibers and has a diameter of 0.2 mm to 0.9 mm, inclusive. The compressibility of the teeth (12) of the toothed belt (10) compressed by the grooves of the drive pulley and the driven pulley is 0% to 5%, inclusive.

Abstract: The present invention provides a pulley structure (10) provided with: a tubular outer rotating body (2) having a belt (B) looped thereon; an inner rotating body (3) which is disposed radially inside the outer rotating body (2) and which is rotatable relative to the outer rotating body (2); and a torsional coil spring (4) which is arranged in a spring accommodating space (8) formed between the outer rotating body (2) and the inner rotating body (3). At least in a state in which the pulley structure (10) has not been operated even once, a grease (200) containing an antirust agent is applied to an opposing surface (34) of the inner rotating body 3 opposing an inner peripheral surface (42) of the torsional coil spring (4).

Abstract: A frictional power transmission belt includes a tension layer forming a belt back surface, a compression rubber layer to be in contact with a pulley and frictionally engaged with the pulley, and a tension member embedded between the tension layer and the compression rubber layer along a belt length direction. The compression rubber layer has a surface to be in contact with the pulley. At least a part of the surface is coated with a fiber layer via a fiber/resin mixture layer. The fiber/resin mixture layer contains a resin component and heat-resistant fibers having a softening point or a melting point higher than a vulcanization temperature of a rubber forming the compression rubber layer. The fiber layer contains hydrophilic heat-resistant fibers having a softening point or a melting point higher than the vulcanization temperature and does not contain a resin component.

Abstract: A power transmission belt includes a cured product of a rubber composition containing a rubber component containing an ethylene-?-olefin elastomer, an ?,?-unsaturated carboxylic acid metal salt, magnesium oxide, organic peroxide and inorganic filler. A proportion of the magnesium oxide is 2 to 20 parts by mass per 100 parts by mass of the rubber composition and is 5 parts by mass or more per 100 parts by mass of the ?,?-unsaturated carboxylic acid metal salt.

Abstract: A method for producing a via-filled substrate includes a metal film forming step of forming a metal film containing an active metal on a hole part wall surface of an insulating substrate having a hole part, a filling step of filling a conductor paste having a volume change rate before and after firing of ?10 to 20% in the hole part in which the metal film is formed, and a firing step of firing the insulating substrate in which the conductor paste is filled.

Abstract: The present invention relates to a frictional power transmission belt containing a compression layer having a power transmission surface, at least a part of which is capable of coming into contact with a pulley, in which the compression layer contains a polymer component and a polyvinyl alcohol-based resin.

Abstract: The present invention relates to a frictional power transmission belt containing an extensible layer to form a belt back surface, a compressive layer formed on one surface of the extensible layer and having a power transmission surface at least a part of which can be in contact with pulleys, and a tension member embedded between the extensible layer and the compressive layer along a belt length direction, in which at least the compressive layer is formed of a rubber composition containing a polymer component, short fibers and a surfactant and in which the short fibers contain at least short fibers of water-absorbing fibers.

Abstract: A production method for producing a frictional power transmission belt containing an extensible layer forming a belt back surface, a compressive rubber layer formed on one surface of the extensible layer and frictionally engaging at the lateral surface thereof with pulleys, and a tension member embedded between the extensible layer and the compressive rubber layer along the belt length direction. A surface of at least a part of the compressive rubber layer to be in contact with pulleys is coated with a fiber/resin mixture layer that contains a resin component and heat-resistant fibers having a softening point or a melting point higher than a vulcanization temperature in a mixed state, and the heat-resistant fibers contain a fiber embedded so as to extend from the fiber/resin mixture layer to the compressive rubber layer.

Abstract: The present invention relates to a power transmission belt containing a frictional power transmission part and a fiber member that covers a surface of the frictional power transmission part, in which the fiber member is formed of a fiber (A) containing a water-absorbent fiber (A1) and contains a surfactant, to a fiber member used in the power transmission belt, and to a method for manufacturing the fiber member.

Abstract: A belt installation tool (406) of the present invention includes a pulley pressing part (407) capable of being pressed toward a side of an outer periphery of a crank pulley (2) by the tension of a V-ribbed belt (4), a protection layer (471) having elasticity and covering the pulley pressing part (407) on the side of the outer periphery of the crank pulley (2), a belt hold part (408) for hooking and holding the V-ribbed belt 4, and a belt pressing part (409) for pressing the V-ribbed belt (4) extending along the outer periphery of the crank pulley (2) against the outer periphery of the crank pulley (2).

Abstract: The present invention relates to a vane member for a paper sheet conveyance impeller in which at least one vane member is disposed so as to protrude from the external peripheral surface of a rotatable cylindrical member, the vane member being provided with: a vane member body comprising a thermosetting polyurethane elastomer; and a plurality of core wires which comprise polyester fibers and are arranged along the axial direction of a rotary shaft of the cylindrical member. At least a portion of the core wires being embedded within the vane member body.

Abstract: The pulley structure includes a ventilation path that is formed at a position shifted in a radial direction from a rotating axis of a first rotating body and allows a spring accommodation space, formed between the first rotating body and a second rotating body, and the outside to communicate with each other. At least a part of the ventilation path is formed in an end cap that blocks an opening portion on one side of the first rotating body in a rotating axis direction. The end cap blocks the opening portion of the first rotating body such that the spring accommodation space does not communicate with the outside toward the one side in the rotating axis direction other than the ventilation path.

Abstract: The present invention relates to a plied cord comprising three or four first twist yarns containing para-aramid fibers, wherein: the para-aramid fibers have an average size of 1000-1250 dtex, a tensile elasticity of 55-70 GPa and a tensile strength of 2800-3500 MPa; and for the plied cord, the number of first twists when the number of the first twist yarns is three is 33-40 twists/10 cm and the number of first twists when the number of the first twist yarns is four is 42-52 twists/10 cm, the second twist direction is the opposite direction from the first twist, and the ratio of the second twist coefficient to the first twist coefficient is 0.25-1.

Abstract: The present invention relates to a belt attachment tool used for further winding a belt, which is wound on a first pulley (1) and a second pulley (2), on a third pulley (3), the belt attachment tool containing a side surface part (10), an attaching part (11), a first belt holding part (14), and a second belt holding part (15), and the second belt holding part (15) is arranged so that a point (F) of intersection between a first extension line (L1) extending the belt wound on the first belt holding part (14) from an outer periphery of the second pulley (2) and a second extension line (L2) extending the belt wound on the second belt holding part (15) from an outer periphery of the first pulley (1) is located to a front side in a rotation direction (A) of the third pulley (3) with respect to a center line (L3) connecting a center (1S) of the first pulley (1) with a center (3S) of the third pulley.

Abstract: The present invention pertains to a method for manufacturing a cogged V-belt having a plurality of cogs, the method containing: an unvulcanized sleeve formation step of forming an unvulcanized sleeve by laminating a plurality of unvulcanized rubber sheets that contain at least an unvulcanized rubber sheet for a compression rubber layer and an unvulcanized rubber sheet for a tension rubber layer; a vulcanized sleeve formation step of forming a vulcanized sleeve by vulcanizing the unvulcanized sleeve; and a cog formation step of forming the plurality of cogs on the compression rubber layer after the vulcanized sleeve forming step.

Abstract: A toothed belt includes a plurality of tooth parts that are disposed at predetermined intervals along the longitudinal direction and contain a rubber composition (A) as a base material and a back side that has a cord embedded therein and contains a rubber composition (B) as a base material, in which the cord contains a Lang-twisted carbon fiber and is formed in a diameter of 1.1 mm or more and 2.5 mm or less and the rubber composition (B) constituting the back side has a hardness of from 80 degrees to 89 degrees in JIS-A hardness.