8results about How to "Improve flex resistance" patented technology

The application provides a two-section sole structure and shoes thereof, and belongs to the technical field of shoemaking. The two-section sole structure comprises a front section foamed outsole, a rear section foamed outsole and an intermediate rubber connecting piece connecting the front section foamed outsole and the rear section foamed outsole; the front section foamed outsole and the rear section foamed outsole are provided with a lap joint surface in a lap joint area with the intermediate rubber connecting piece. By optimizing the hardness, thickness and lap joint process of the intermediate rubber connecting piece, the bending resistance and interface bonding durability of the bending area are effectively improved.

This utility model discloses a hydraulic gate opener cylinder with an anti-bending structure, comprising: a cylinder body, the upper side of which is tightly fitted with an end cap, and the end cap and the cylinder body are connected by fastening screws arranged in an array; further comprising: an anti-bending mechanism for increasing rigidity is provided inside the cylinder body, and reinforcing ribs are provided on the outer side of the cylinder body, arranged in an array; a rigid support mechanism for connection is provided on the outer side of the cylinder body, and an annular sleeve is provided on the outer side of the cylinder body. In this hydraulic gate opener cylinder with an anti-bending structure, the piston rod is slidably connected to the cylinder body through a bushing, forming a rigid support point to distribute lateral loads and achieve an anti-bending effect. The hollow rod is slidably connected to the connecting rod, thereby limiting further radial displacement of the piston rod and avoiding uneven force due to excessive clearance, thus improving the overall anti-bending capacity of the cylinder.

This invention provides a textile coating with a cracked effect and its preparation method, relating to the field of textile coating technology. The textile coating with a cracked effect comprises, from bottom to top, a base layer, a cracked layer, and a protective layer, starting from a textile substrate; at least one of the base layer and the cracked layer contains 1,3-propanediol. This invention has found that adding 1,3-propanediol to the base layer and / or the cracked layer can significantly improve the flexural resistance of the textile coating with a cracked effect.

The invention relates to the field of rubber, and discloses rubber processing modified masterbatch, a preparation method and application thereof, a rubber composition, vulcanized rubber and a preparation method thereof, the rubber processing modified masterbatch comprises maleic acid series monomers, dicumyl peroxide, butadiene styrene rubber, white oil and N, N-dimethylaniline; wherein relative to 100 parts by weight of butadiene styrene rubber, the content of the maleic acid series monomer is 133 to 400 parts by weight, the content of the dicumyl peroxide is 10 to 67 parts by weight, the content of the white oil is 17 to 100 parts by weight, and the content of the N, N-dimethylaniline is 7 to 40 parts by weight; the modified rubber master batch for rubber processing can improve the compatibility and dispersity of maleic acid series monomers in a rubber matrix, so that the strength and wet skid resistance of vulcanized rubber are improved, and the rubber master batch is good in flexing resistance.

This invention relates to the field of rubber product technology, and provides a rubber composition and a rubber tire. The rubber composition comprises: 5-70 phr of natural rubber, 10-40 phr of light butadiene rubber, 1-70 phr of high cis-conjugated diene polymer, 1-20 phr of precipitated silica, 1-15 phr of silane coupling agent, 30-50 phr of general-purpose rubber carbon black, 1-10 phr of processing oil, 7-20 phr of resin, 3-6 phr of processing aid, 1-6 phr of activator, 1-6 phr of vulcanizing agent, and 1.5-5.5 phr of accelerator. The rubber composition includes one or both of light butadiene rubber and high cis-conjugated diene polymer. The rubber composition provided in this application, when applied to the bead of a rubber tire, exhibits excellent fatigue and tear resistance properties, extending the tire's service life.

The utility model discloses a shoe material cutting device for shoemaking production. The shoe material cutting device comprises a plurality of layers of material placing frames, the supporting frame is fixedly connected with a gluing assembly, the output end of the gluing assembly is connected with two glue rollers, the gluing assembly is used for driving the glue rollers to rotate, the glue rollers are rotationally connected to the supporting frame, two auxiliary rollers are arranged on the two sides of the two glue rollers, the auxiliary rollers are rotationally connected to the supporting frame, and a multi-layer feeding frame is arranged on one sides of the auxiliary rollers; the multi-layer feeding frame is fixedly connected to the supporting frame. According to the utility model, uniform gluing is carried out when multiple layers of shoe materials are pressed through the gluing assembly, glue layers can fully permeate material pores to form a firm anchoring effect, the service life of shoes is prolonged, the comfort and the appearance are optimized, the pressing assembly is arranged to be matched with the pressing roller to press and flatten multiple layers of shoe soles, and then uniform cutting is carried out, so that the production efficiency is improved. The interlayer peeling strength is enhanced, the flatness, the cutting precision and the material utilization rate of the shoe sole are higher, and the production efficiency and the automation level are improved.

The invention relates to the field of rubber, and discloses a rubber processing modified master batch, a preparation method and application thereof, a rubber composition, vulcanized rubber and a preparation method thereof, the rubber processing modified master batch comprises a methacrylic acid series monomer as shown in a formula (1), dicumyl peroxide, trimethylolpropane triacrylate, styrene butadiene rubber and white carbon black; r1 is C1-C4 alkyl or a structure as shown in a formula (2); wherein n is an integer from 1 to 2; relative to 100 parts by weight of butadiene styrene rubber, the content of the methacrylic acid series monomer is 75-400 parts by weight, the content of the dicumyl peroxide is 0.5-13 parts by weight, the content of the trimethylolpropane triacrylate is 37-200 parts by weight, and the content of the white carbon black is 50-300 parts by weight. According to the rubber processing modified masterbatch, the white carbon black has better dispersity in a rubber matrix, and the interaction between the white carbon black and the rubber matrix is stronger.

The utility model provides a flat deflection-resistant elevator control cable suitable for a high-rise building, and the cable comprises a power cable core which comprises a first wire core, the first wire core is wrapped by a first non-hygroscopic wrapping tape, and the first non-hygroscopic wrapping tape is filled with a first filling material; the control cable core comprises a second wire core, the second wire core is wrapped with a second non-hygroscopic wrapping tape, the second non-hygroscopic wrapping tape is filled with a second filling material, and the second non-hygroscopic wrapping tape is externally provided with a shielding layer and a third non-hygroscopic wrapping tape; the first wire core and the second wire core have the same structure and comprise conductors, reinforcing elements are arranged among the plurality of soft copper wires, and an insulating layer is extruded outside the plurality of soft copper wires; the power cable cores and the control cable cores are horizontally and alternately arranged and wrapped by the outer protection layer, and the reinforcing elements are utilized to increase the distortion resistance and the pulling resistance of the first cable core and the second cable core, so that the cable has good warping resistance, and signal and power output interruption caused by cable breakage is avoided.