40 results about "Sizing" patented technology

The invention relates to a pearl fiber towel product which adopts raw materials of pearl fiber yarn or fiber blended yarn of pearl fiber and cotton, hemp, Tencel, bamboo fiber, and Modal and the like to weave the terry shape and cut pile shape towel products. The manufacturing process flow of the pearl fiber towel product is: warping-sizing-weaving-desizing and degreasing-bleaching-staining-after finishing. The product is characterized in that the formula of the desizing and degreasing technology is: 5-15g/l of amylase, 15-30g/l of salt, and 2-10g/l of penetrant; and the formula of the bleaching technology is: 5-10g/l of rongalite, 2-10g/l of calcined soda, and 2-10g/l of refining agent. The pearl fiber towel product manufactured by adopting the method of the invention has soft hand-feeling, the function of moisture absorption and perspiration, without destroying nutrition ingredient in the pearl fiber, and the functions of skin nourishment and skin care.

Disclosed is a method of manufacturing a zinc-coated electrode wire for electro discharge machining using a hot dip galvanizing process. The method includes firstly surface-forming a wire (1) in such a way that its terminal end is tapered while the wire is drawn through a first die at step 10, pre-coating zinc around the firstly processed wire in a molten zinc bath (2) at step 20, main-coating the pre-coated wire with zinc (3) using a sizing die before zinc pre-coated on the wire is hardened at step 30, secondly surface-forming the main-coated wire in such a way that zinc coated around the wire has a uniform thickness using a second die having a smaller diameter than the wire at step 40, heat-treating the secondly surface-processed wire at step 50, and drawing the heat-treated wire using a third die (5) made of natural diamond at step 60.

The invention provides a micro-fluidic chip for preparing microspheres and a using method of the micro-fluidic chip. The micro-fluidic chip is mainly compounded by a chip body, a cooling chip and a volatilizing and exhausting chip. The micro-fluidic chip is characterized by comprising two V-shaped mixing pipelines I and II which are integrally U-shaped, circular cooling double U-shaped pipelines, a sizing and collecting pond which is arranged on one side of the circular cooling double U-shaped pipelines, an outlet and the like. The invention further provides a using and operating method of the chip. The micro-fluidic chip provided by the invention has the beneficial effects that the prepared microspheres are small in particle size dispersity and high in dimensional precision, compound microspheres with more than two components can be quickly prepared, the production efficiency is high and the operation is convenient and simple.

The invention discloses a thermal shrinkage pipe expansion device which comprises an expansion die. The expansion die comprises an outer casing and a sizing tube. The sizing tube is arranged in the outer casing. The space between the outer casing and the sizing tube is separated into a vacuum chamber and a cooling chamber. The outer casing on the cooling chamber is provided with at least one water inlet and at least one water outlet. The expansion die also comprises a plurality of water inlet holes which are arranged on the sizing tube of the cooling chamber. Cooled water can enter the inside of the sizing tube through the water inlet holes. The thermal shrinkage pipe expansion device of the invention has the advantages of good cooling effect, light friction between the thermal shrinkage pipe and the sizing tube, high expansion efficiency, fast speed, long service life of the sizing tube and small axial shrinkage rate of products.

The invention discloses medical dialysis body paper and a production method thereof. The production method of the medical dialysis body paper comprises the following four steps of (1) raw material selection, namely adopting a bleached chemical needlebush pulp board and a hardwood pulp board as raw materials; (2) pulp production, namely breaking and beating the bleached chemical needlebush pulp board and the hardwood pulp board in the step (1) respectively for use; (3) pulp blending, namely mixing pulp in the step (2) in a pulp blending tank according to a ratio, adding a sizing agent and a wetstrength agent, and sending a mixture to a machine chest for use after stirring the mixture; and (4) papermaking, namely conducting papermaking and shaping on the pulp in the step (3) through a pulpconditioning box, a fan pump, a conical scummer and a pressurized screen upper screen part, dehydrating paper through a squeezing part, conducting drying and surface sizing on the paper through a front drying part, drying the paper through a rear drying part, finishing the paper through a soft calendar, treating the paper through a paper winding machine and a rewinder, and the like to produce a qualified finished product.

The invention discloses a method for manufacturing body paper special for lotteries. According to the method, bleached sulfate softwood pulp and bleached sulfate hardwood pulp are used as raw materials, through process steps of respective pulping, pulp mixing, auxiliary material adding, wet paper page manufacturing with pulp, pressing dewatering, pre-drying, surface sizing and after-drying and calendering finishing and the like, the body paper special for the lotteries, which is high in strength, good in smoothness, small in water absorptivity and high in internal bonding strength, is prepared, clients' requirements of coating and processing lottery paper can be met, and the qualified lottery paper is manufactured.

The invention relates to a combined type anti-fatigue cushion and a production method thereof. Vesicants with different amounts are added into polyvinyl chloride powder to form the anti-fatigue cushion as a whole in a foaming way or the existing finished polyvinyl chloride products are planished into tablets and then wear layer sizing material is arranged on the tablet to form the anti-fatigue cushion in a foaming way. The anti-fatigue cushion of the invention comprises a bottom foaming layer and a wear layer which covers the bottom foaming layer. On the one hand, the hardness of the bottom foaming layer is less than that of the wear layer, thus obtaining more elasticity and effectively relieving feelings of fatigue when users stand on the cushion. On the other hand, the polyvinyl chloride material can be saved so as to reduce the production cost of the anti-fatigue cushion.

A cooking appliance (2) includes a recirculating airflow which is directed through particularly configured air plenum (46, 49, 52) and nozzle (70) structure that synergistically combine to enhance an overall cooking efficiency and effectiveness. In particular, the configuration of the air plenum (46, 49, 52), as well as the sizing and distribution of oven cavity entry nozzles (70), provides for an enhanced flow of heated air to the food product (36), thereby resulting in short cooking times due to high heat transfer while also providing an even browning and crisping of the food item (36) being cooked. In addition, the cooking appliance (2) incorporates an exhaust system (92, 97) wherein cooling air (106, 114, 115) and a percentage of the recirculating airflow (95) are mixed prior to being exhausted from an angled exhaust mixing tube (97).

The invention belongs to the technical field of heat exchanger equipment and relates to a machining process for flow spoiler bands. The machining process comprises the steps of edge cutting treatment, preheating treatment, sheet material prewire crush-cutting, twisting treatment, reversed twisting treatment, air-cooling sizing and final trimming. Firstly, prewires are adopted for the machining process to standardize the length of flow spoiler units, the flow spoiler units of a finished flow spoiler band are the same in length, the turbulent flow force on fluid in different positions in a tube bundle is the same after the flow spoiler band is mounted in the tube bundle, and heat exchanging is more even; secondly, according to the scheme, a conventional rotary stretching device is omitted so that the situation that a sheet material is twisted off due to a conventional rotary stretching method is avoided; and thirdly, due to the fact that a cross section is formed in the process of sheet material prewire crush-cutting, the overall superficial area of the sheet material is increased, the contact area between the molded flow spoiler band and cold air is larger when the molded flow spoiler band passes by an air cooling mechanism, and the cooling effect of the flow spoiler band is improved.

A flexible Fast Walsh Transform circuit provides configurable FWT sizes, and is suitable for use in radio receivers where the received signal may be generated using varying spreading codes and/or varying numbers of multi-codes. Such signal types are commonly encountered in wireless communication systems like those based on the Wideband CDMA (W-CDMA) or IS-2000 (cdma2000) standards, and particularly with the higher data rate provisions of those standards. In one application, a RAKE receiver includes RAKE fingers that each include one of the flexible FWT circuits, such that each finger despreads the received signal using variably sized FWTs in accordance with the characteristics of the received signal. The flexibility in FWT sizing may derive from, for example, the inclusion of separately selectable but differently sized FWT circuits, or from the inclusion of a configurable FWT circuit capable of generating different sizes of FWTs.

The invention discloses a method for preparing an insulator. The method comprises the following steps of: a, preparing a three-dimensional framework which has a shape matched with that of the insulator by using a glass fiber bundle, wherein glass fiber cloth is coated on the surface of the framework and is soaked with epoxy resin; b, when the epoxy resin starts to solidify, uniformly coating resin containing ceramic powder or glass powder on the surface of the framework, and putting the framework into an insulator mold; and d, raising the temperature, sizing, solidifying and then demoulding to obtain the insulator. According to the integrated insulator prepared by the method, a process of sleeving umbrella skirts on core rods of the insulator sequentially one by one is eliminated, and labor power is saved; and the insulator prepared by the process has low dead weight, a high electrical property and a high mechanical property. Both a hollow insulator and a solid insulator which are prepared by the process have a high electrical property, a high mechanical property and low dead weight. The insulator is suitable for outdoor high-voltage power transmission lines.

The invention belongs to the technical field of coating grinding tools, and relates to a foam coating grinding tool and a preparing method thereof. The grinding tool comprises a base body layer (1), a primer layer (2) and a grinding material (4), and the base body layer (1) is coated with the primer layer (2) and the grinding material (4). The grinding tool is characterized in that the primer layer (2) is coated with a foam layer (3), and the grinding material (4) is evenly embedded in the foam layer (3); the foam layer (3) is made of foaming foam resin. The preparing method comprises the steps that a preprocessed base body is coated with primer; after the foam resin and the grinding material are evenly mixed, a foam layer sizing agent including the grinding material is manufactured, the base body coated with the primer is coated with the foam layer sizing agent including the grinding material with the coating amount of 200 g/m<2>-500 g/m<2>, and a grinding tool to be formed is obtained; after drying and ironing foaming are carried out on the grinding tool to be formed, the grinding tool is formed through cropping. During grinding, the grinding tool can be attached to the surface of a workpiece, the surface quality of the workpiece can be rapidly improved, and the grinding effect is uniform.

The invention discloses a production technology of weft-knitted flight down feather. The method comprises the following steps of preparation of feather yarn, wherein wool, cotton yarn, viscose or chemical fibers are selected as warp, wool, cotton yarn, viscose or chemical fibers serve as weft, a crochet machine is adopted for knitting the warp and the weft, and then through a cutting knife, the weft is cut into the feather yarn; weaving, wherein wool/acrylic blended yarn and the feather yarn are selected, and a double-sided circular knitting machine is adopted for weft-knitting the wool/acrylic blended yarn and the feather yarn into double-sided fabric; after-finishing, wherein the double-sided fabric is subjected to after-finishing, and the after-finishing process comprises the proceduresof softening, drying, needling, sizing, shearing and decatizing. The flight down feather has strong fluff sense, high stereoscopic performance, good heat preservation performance and high attractiveness, and preparing equipment and the preparing technology are both simple.

The invention belongs to the field of paper manufacturing and particularly relates to a production technology of high-strength corrugating base paper. The production technology of the high-strength corrugating base paper includes the following steps of pulping, base paper processing, sizing agent preparing and sizing. The production technology has the advantages that produced products are stable in quality, strength and damp resistance are ensured, workers do not heavy physical labor in the production process, and high-temperature and high-risk work environments are avoided.

The invention provides a method for relieving pattern segregation of spring steel. The method for relieving pattern segregation of the spring steel comprises the following steps of (1) conventional smelting and control over the temperature of an upper continuous casting platform; (2) the process of two-time fire cogging of a square billet with the dimension being 185*185 mm; and (3) the process of high-speed rolling for steel products the diameter of 14 mm, wherein the heating temperature is 1020-1150 DEG C, the temperature of a soaking zone is 1020-1080 DEG C, and the temperature difference between an upper fracture surface and a lower fracture surface is smaller than or equal to 15 DEG C; the time in the furnace is 120-150 min, the start rolling temperature is 930-960 DEG C, the inlet temperature of a finishing mill is 870-900 DEG C, the inlet temperature of a reducing sizing mill is 830-850 DEG C, the finish rolling temperature is 820-850 DEG C, the outlet speed for pre-finishing is not greater than 8 m/s, and the largest roller speed of a Stelmor controlled cooling line is not greater than 33 m/s; and a 1# fan, a 2# fan are opened by 35%, and other fans and a heat preservation cover are completely opened. Compared with the prior art, by adoption of the method, the problem that pattern segregation exceeds the standard, and consequentially judgment amending is caused can be completely solved, and the production cost is greatly reduced.

The invention discloses a menstrual cup, mainly relating to the field of female disposable sanitary products. The menstrual cup comprises a bell-shaped cup body for collecting liquid, wherein a cup wall extends from a cup bottom to a cup mouth to enclose the cup body, the cup bottom of the cup body is closed, the cup mouth of the cup body is provided with a horn mouth, and a larger opening end of the horn mouth is connected with the cup mouth of the cup body in a turnover way. The menstrual cup has the beneficial effects that the liquid can be effectively prevented from splashing due to shaking and inclining, the menstrual cup has better sizing and resilience capabilities, automatic expansion and fixation can be better realized, and the menstrual cup is simple in overall structure and convenient to clean and sterilize.

The invention relates to a method for preparing corrugated paper. According to the method, 20-30 parts of corn starch, 1-5 parts of ammonium persulphate, 4-8 parts of plastic and 4-8 parts of aluminum sulfate are screened, pulped and thickened, materials are added, water resisting processing, drying processing, surface sizing and finished product processing are carried out, and thus the finished corrugated paper is manufactured. Because the materials are added, and surface sizing agents are applied to the surface, the strength of the corrugated paper is further improved.

The invention discloses a preparation method of PMI (Polymethacrylimide) foam plastic. The preparation method comprises the following steps: S1, blending and mixing an oil-soluble free radical initiator, a monomer, a foaming agent and an additive to obtain a spare sizing agent; S2, polymerizing the mixture in a constant-temperature water bath to obtain a foamable copolymer material; S3, smashing the foamable copolymer material to obtain foamable copolymer particles; S4, directly pouring the foamable copolymer particles into a forming mold according to a proportion for foaming, and filling molds of any shapes with the foamable copolymer particles according to different density demands for foaming to obtain PMI foam products of corresponding mold shapes. By adopting the preparation method, the conventional process is improved, the production demands of special-shaped products can be met, special-shaped molds can be directly used for foaming according to the profiles of the special-shapedproducts, the utilization rates of raw materials are improved, and meanwhile the production efficiency can be improved greatly.

The invention provides a short-process preparation method of a Ti-Al-V-Fe alloy seamless tube. The method is characterized by comprising the following steps: 1) preparing materials; 2) mixing the materials and briquetting; 3) putting the materials into an electron beam gun EB furnace; 4) performing vacuum melting to obtain a Ti-Al-V-Fe alloy round ingot; 5) drilling centering holes in two ends of the ingot, and feeding the ingot into a two-roller skew rolling mill for skew rolling and perforating; 6), feeding the ingot to a three-roller continuous rolling machine for continuous rolling; 7) carrying out heating and sizing to obtain a seamless tube; 8) carrying out annealing treatment to obtain the Ti-Al-V-Fe alloy seamless tube. The Ti-Al-V-Fe alloy seamless tube has a uniform metallographic structure and are few in high-density and low-density inclusions and high in purity, the technological process is short, the mechanical property is superior to that of the prior art, the comprehensive yield is increased to 85% or above, the production cost is reduced by 20%-30%, and obvious market application prospects are achieved.

The present invention relates to an antibacterial polyester-nylon complex fiber towel manufacturing process. Beam-warping treatment is carried out on polyester-nylon complex fibers, sizing treatment is then carried out on the warped polyester-nylon complex fibers, the polyester-nylon complex fibers after the sizing treatment is woven into gray cloth, the gray cloth is immersed into a hot water tank, hydrosol filaments are washed and removed, scouring and bleaching treatment is carried out on the gray cloth, dyeing treatment is carried out on the scoured and bleached gray cloth, the dyed gray cloth is placed into drying equipment for drying treatment, the dried gray cloth is tailored and sewn to obtain a polyester-nylon complex fiber towel, and antibacterial treatment is carried out on the polyester-nylon complex fiber towel by an antibiotic finish agent. According to the manufacturing process provided by the present invention, after the antibacterial treatment, bacterium breeding can be effectively prevented, towel cloth is not contaminated by microorganisms, characteristics such as a water-absorbing quality and a soft hand feeling are maintained, the towel has excellent moisture absorption and sweat releasing performance and outstanding high temperature resisting and smell-absorbing performance, and is environment-friendly and long in service life, and the manufacturing process is simple in technique and high in production efficiency.

The invention provides a test method for comprehensively simulating rubber blooming. The test method provided by the invention comprises the steps that two identical constant temperature and humiditychambers are normally turned on; one chamber is a high temperature test chamber, and the test conditions are set to the constant temperature of 60 DEG C to 100 DEG C and the constant humidity 70% to 100%; the other chamber is a low temperature test chamber, and the test conditions are set to the constant temperature 0 DEG C ~ 15 DEG C and the constant humidity 70% to 100%; stabilizing is for halfan hour after the test conditions are reached; ten vulcanized test pieces of the same batch with the same vulcanization condition are taken, wherein the vulcanized test pieces are of the same sizing material, and length*width*height is100mm*100mm*2mm; five pieces are suspended in the high temperature test chamber, and the remaining five pieces are suspended in the low temperature test chamber; continuous testing is carried out for 24 hours to 168 hours; observing is carried out every 24 hours, and the surface conditions of the test pieces are recorded; and rating is carried out according to the recorded conditions. The test method can fully and accurately characterize comprehensive the rubber blooming performance without consuming too much time and cost.

The invention provides high-efficiency low-cost textile size and a sizing technology. The high-efficiency low-cost textile size and the sizing technology solve the problems that the opening in the spinning process is unclear, the fragment of the textile generates cotton balls, the permeation effect is poor, the coating capability to yarns is improved, the flexibility of sizing membranes is improved, the abrasive resistance of the sizing membrane and the strength of the yarns are improved, the weavability of the product is greatly improved, the cost is lower. and the popularization is facilitated.