36results about How to "Reduce the amount of glue applied" patented technology

An environment friendly decorative clad plate comprises the top plate, bottom plate and the interim plate plug, with the interim plate convex and concave jointing with the top and bottom plates, with the distance between the bottom of the convex and the concave within 5-100mm. The said clad plates is 2440 cm in length, 1220 cm in width, and 0.8-3 cm in thickness, with the distance between the adjacent concaves 40-100 mm. It is less polluting, plate and glue saving, reasonable in structure, enduring with stableness and fine planeness.

The invention discloses a gum control roller of a cigarette making and tipping machine combination, comprising a roller and a rotary shaft which is arranged on the centre of the roller, wherein the circumferential surface of the roller is provided with a groove, and the centre of the groove is provided with an annular convex edge. The surface of the groove is respectively provided with a first annular gum coating strap, a second annular gum coating strap and a third annular gum coating strap in turn from the convex edge to the two sides. The gum control roller designs the gum coating quantityof the tipping paper which meets the twisting requirements according to the twisting technology, and coats a thin gum on the middle part to reduce the gum scale of cutters; the gum control roller increases the gum coating quantity in the joint area of the cigarette and the filter tip and improves the bonding strength, so the cigarette cannot leak the air; and the edge of the tipping paper is coated with little gum coating quantity, so that the curling sides of the tipping paper caused by the shortage gum quantity of the part can be compensated.

The invention relates to a sub-rail bamboo and wood composite heightening railroad tie plate for a concrete sleeper and a manufacture method thereof, in particular to a sub-rail heightening railroad tie plate for a concrete sleeper and a manufacture method thereof, which solves the problems that the traditional heightening railroad tie plate can not simultaneously meet the requirements of planeness, rigidity, pressure resistance and wear resistance and the labor efficiency is low and the gluing amount is large in the manufacture process of the heightening railroad tie plate. The sub-rail bamboo and wood composite heightening railroad tie plate for a concrete sleeper comprises a core layer, an upper bamboo curtain surface layer and a lower bamboo curtain surface layer, wherein two sides ofthe core layer are respectively glued with the upper bamboo curtain surface layer and the lower bamboo curtain surface layer. The manufacture method of the heightening railroad tie plate comprises the following steps of: braiding bamboo woods on a braiding machine to form a bamboo curtain; gluing wooden materials, then assembling the wooden materials with the bamboo curtain, closing and ageing; and then hot forming a composite plate. The invention provides the heightening railroad tie plate with high planeness and rigidity as well as favorable pressure resistance and wear resistance. The adopted manufacture method improves the labor efficiency and saves the cost. The invention is used for regulating the horizontal height of the rail surface of a railroad, thereby ensuring the stable running of a train.

The invention discloses an automatic bag manufacturing production line which comprises a flexible printing device, a part cutting device, a bag body cylinder forming device, a handle machine, a coating forming device and a press. According to the processes of a hand bag, the flexible printing device is located at the upstream of the part cutting device, the part cutting device is located at the upstream of the bag body cylinder forming device, the bag body cylinder forming device and the handle machine are located at the upstream of the coating forming device, and the coating forming device islocated at the upstream of the press; the flexible printing device comprises a discharging mechanism, a plurality of printing mechanisms and a furling mechanism, the discharging mechanism is locatedat the upstream of the printing mechanism, and the printing mechanisms are located at the upstream of the furling mechanism. The automatic bag manufacturing production line is high in automatic degree, the amount of glue and ink is lowered, the production cost is lowered, two layers of handle belts are firmly stuck, handles and a bag body are firmly stuck, and the quality of the hand bag is ensured.

The invention relates to an anti-fracture pressure sensitive adhesive and a preparation method of the pressure sensitive adhesive. The preparation method of the anti-fracture pressure sensitive adhesive comprises the following steps: synthesizing a polytetrahydrofurfuryl acrylate monomer which comprises a long carbon chain of an ether bond and is high in flexibility; and synthesizing the polytetrahydrofurfuryl acrylate monomer which serves as a functional monomer with a soft monomer and a hard monomer to prepare an acrylic acid pressure-sensitive adhesive. The tensile elongation of the prepared acrylic acid pressure-sensitive adhesive is obviously improved; the problem of tensile fracture in the using process of the acrylic acid pressure-sensitive adhesive can be solved; the acrylic acid pressure-sensitive adhesive can be widely used in various fields.

The invention discloses a tremella composite flocking adhesive. A preparation method of the adhesive includes the steps: preparing acrylic composite solution for standby application; weighing 500g of dry tremella, placing the dry tremella in 10L of 0.3% mycose solution, standing for 18-20 hours, taking out the thoroughly soaked tremella, uniformly grinding the tremella, weighing 100g of the grinded soaked tremella, treating the grinded soaked tremella in 1L of calcium chloride boiling solution with mass concentration 60% for about 50-80 minutes until dissolving most of the grinded soaked tremella, stirring the grinded soaked tremella by a glass rod during treatment, and coarsely extracting the mixed solution by wick filtration to obtain tremella extracting solution; mixing the acrylic composite solution and the tremella extracting solution well, and finally discharging and packaging a finished product.

The invention discloses a nonformaldehyde nonpoisonous adhesive and a preparation method thereof. The method comprises the following steps: firstly, adding proper water in a reactor which is provided with a stirring device; secondly, slowly adding polyvinyl alcohol into the reactor when the water is heated to 40 DEG C, heating the mixture to over 90 DEG C to ensure that the polyvinyl alcohol is completed dissolved, and preserving the heat for 1 hour; thirdly, cooling the materials to 70 DEG C, and adding polyalcohol, dispersant, emulsifier and aqueous solution of plasticizer into the reactor respectively, adding filler into the reactor, keeping stirring for 15 to 20 minutes to ensure that the raw materials are uniformly mixed, and filtering and discharging; and finally, uniformly mixing the raw materials with isocyanate in the proportion when the adhesive is used. The adhesive has simple production technology, can be subjected to both cold pressing and hot pressing, has low cost, and can completely realize non toxicity, harmlessness, greenness and environmental protection.

The invention discloses a fast and precise intelligent control device for the glue application amount of a gluing machine, which comprises a housing, a handle is fixed below the housing, an adjustment assembly is arranged inside the housing, and the upper and lower ends of the housing are slidably connected with Pressing rods, rolling balls are fixed on the outer ends of the two pressing rods, the pressing rods are fixedly connected to the adjustment assembly, the adjustment assembly includes pressing cotton, the pressing cotton is fixedly connected to the pressing rod, and the pressing cotton Fixed blocks are fixed on the left and right sides, a slide bar is fixed in the middle of the two fixed blocks, and a slide block is sleeved on the outside of the slide bar. The upper and lower ends of the slide block are respectively fixedly connected with the pressing cotton. The left side is fixedly connected with a crank connecting rod, the left end of the crank connecting rod is fixed with an eccentric column, the outside of the eccentric column is fixed with a rolling wheel, and the middle bearing of the rolling wheel is connected with a rolling shaft. The characteristics of quantity and automatic control of insecticide dosage.

The invention discloses a continuous production process of aluminum honeycomb panels, which mainly includes the steps of mixing, gluing, billet formation, squeegeeing, static pressure cooling and solidification, using polyurethane two-component reactive hot melt adhesive as the aluminum plate and aluminum honeycomb The adhesive between the cores allows the glue to obtain a higher initial adhesion with less static pressure cooling time, which greatly reduces the waiting time, thereby realizing continuous production, greatly improving production efficiency, and can reduce The amount of glue applied can reduce the weight of the aluminum honeycomb panel, increase the specific strength, and reduce the production cost. At the same time, the polyurethane two-component reactive hot melt adhesive has good and stable bonding performance, including excellent bonding strength, and can withstand high Low temperature cycle impact improves the quality of the product.

The invention relates to the technical field of hot-melt adhesives, in particular to an EVA edge-sealing hot-melt adhesive with no glue lines and low glue application and a preparation method thereof. In parts by weight, the preparation raw materials at least include: ethylene-vinyl acetate copolymer 25 -45 parts, 15-30 parts of petroleum resin, 2-10 parts of tackifying resin, 5-10 parts of viscosity regulator, 20-55 parts of filler, 0.01-0.05 parts of antioxidant, the hot melt adhesive provided by the invention has strength Good, thin adhesive layer, saving glue, good adhesive softness, hot melt adhesive environmental protection, no formaldehyde, toluene and other harmful substances, no phthalate, no heavy metals, etc., and the color of the board and furniture edge banding In contrast, no glue lines can be seen, and no twisted wires are achieved.

The invention relates to a circuit board processing method, comprising: a) bonding a reinforcing plate on a first surface of the circuit board, wherein the area of the reinforcing plate is at least 85% of the area of the first surface of the circuit board, and in the range of 80 to 170 DEG C, the peeling strength between the first surface and the reinforcement plate is greater than 35.0 gf / mm; b)performing surface mounting (SMT) on the second surface of the circuit board; c) performing chip-on-board (COB) packaging on the second surface of the circuit board; and d) peeling the reinforcementplate from the first surface of the circuit board. According to the method of the invention, the deformation of the circuit board in the processing process can be effectively controlled. By effectively controlling the area ratio of the reinforcing board to the circuit board to be processed, the deformation of the circuit board can be avoided in the reflow soldering process, the area of the reinforcing board can be reduced, and the peeling workload and the peeling difficulty of the reinforcing board can be simplified and reduced.