478results about How to "Improve bulk" patented technology

A minimally invasive system includes a bone screw and a tissue retractor having distal and proximal end portions and a partial pathway therebetween. The tissue retractor is removably couplable to the bone screw. An instrument has distal and proximal end portions and a hollow cavity and is removably couplable to the tissue retractor. A drive shaft has a diameter less than a diameter of the hollow cavity and is rotatable with respect to the instrument. A counter-torque handle has gripping and an interlock end portions with an instrument interface releasably positioned within the hollow cavity at the proximal end portion thereof and rotatably fixed thereto in an assembled configuration. The interlock end portion also includes an open-ended slot having a width greater than the drive shaft diameter such that the counter-torque handle is movable to and from the assembled configuration while the drive shaft is within the hollow cavity.

A wiper having a controlled release anti-microbial agent therein for providing anti-microbial cleansing of surfaces is provided. The wiper is formed from an absorbent base web to which an anti-microbial formulation is adhered. The formulation includes an anti-microbial agent that is capable of being controllably released from the wiper. In some embodiments, a polymer mixture may be employed to control the rate of release of the anti-microbial agent. Various anti-microbial agents, such as metal ions and organic compounds may be employed.

An embossing system is provided for embossing a web having a first embossing roll having embossing elements and a second embossing roll having embossing elements, wherein at least a portion of the embossing elements of the first and second embossing rolls are substantially oriented in the cross-machine direction. The embossing roll may be crowned, may have alignment means, and may be provided with precision gearing.

The invention provides a keeping warm flocculus which is prepared from raw material by weight including 56%-85% fine denier fibre and/or super fine denier fibre, 0-30% hollow fibre, 5-30% felt fibre. The preparing method includes steps as follows: loosing and mixing various fibre raw material; then combing, lapping for forming fibre net; then processing disorder drafting to the felt net for forming solid net shape crossing struture; then heating and baking the felt net, at least melting surface of the felt fibre for felting surrounding fibre. The fine denier fibre can increase content of still air in the keeping warm flocculus, reduce heat quantity conduction, and can divide space in the keeping warm flocculus into smaller space for avoiding or reducing air convection, accordingly increase warm keeping property of the keeping warm flocculus; the hollow fibre can increase filling power and compress rebound property of the warm keeping flocculus; filling power and compress rebound property of the warm keeping flocculus are increased after being disorder draft.

A composite laminated sheet comprises a thermoplastic crystalline film and a non-woven fabric having a thermoplastic conjugated fiber comprising the low melting point component and the high melting point component, in which the difference in the melting point between the low melting point component and the high melting point component is not less than 10° C.; the difference in the melting point between the thermoplastic crystalline film and the low melting point component of the conjugated fiber is not more than 30° C.; and the temperature of the position corresponding to 10% of the area from the side of the melting starting point of the endothermic peak of an entire conjugated fiber evaluated by DSC is between the melting starting point and the melting completion point of the endothermic peak of the film evaluated by DSC. According to the present invention, a composite sheet is provided in which a non-woven fabric and a film are adhered without adhesive agents, the appearance is excellent, and the adhesive strength between the non-woven fabric and the film is high. Consequently, the composite sheet of the present invention can be used for a water-proof sheets, for example, paper diapers or sanitary napkins or the like.

PCT No. PCT/JP97/02165 Sec. 371 Date Jan. 20, 1998 Sec. 102(e) Date Jan. 20, 1998 PCT Filed Jun. 23, 1997 PCT Pub. No. WO97/49853 PCT Pub. Date Dec. 31, 1997A filament non-woven fabric comprising thermoplastic conjugated filaments comprising at least one low melting point resin or low softening point resin selected from the group consisting of olefin binary copolymer or olefin terpolymer as the first component and crystalline thermoplastic resin as the second component. The thermoplastic conjugated filament contains inorganic powder in at least the first component, wherein the content of the inorganic powder is 500 to 50000 weight ppm with respect to the fibers. The present invention can provide a filament non-woven fabric that is excellent in the high adhesive property, low temperature adhesive property, hand feeling such as softness or touch etc., and uniformity. Furthermore, operating efficiency such as the spinning property is good. Absorbent articles can be produced using the above mentioned filament non-woven fabrics.

The invention relates to insulation flocculus which is made by 20-80 percent by weight of superfine denier fiber, 10-70 percent by weight of fine denier fiber, 5-30 wt% of tacky fiber and 0-5 wt% of bond. The insulation flocculus is made by adopting the following steps of: loosening and mixing the fiber raw materials; carding and lapping to form a fiber web; carrying out disorder traction on the fiber web to enable the fiber web to form a solid meshy across structure; spraying the bond on the two faces of the fiber web; heating and baking the fiber web to enable the tacky fiber to bond the fiber around and to solidify the bond. In the invention, due to the adoption of the superfine denier fiber and the fine denier fiber, heat conduction can be effectively reduced, cross ventilation in the space can be prevented or reduced, and the insulation property of the insulation flocculus is improved. In addition, due to the adoption of the tacky fiber and the bond, the fill power and the compression resilience of the insulation flocculus can be improved, and the fill power and the compression resilience of the insulation flocculus are higher through disorder traction.

The invention discloses a heat insulation flocculus which is made from the following fiber: 10-64wt/% of fine denier fiber and/or superfine denier fiber, 31-80wt/% of hollow fiber and 5-30wt/% of tacky fiber. The heat insulation flocculus is manufactured by the following method: shredding and mixing various fiber raw materials; carding and spreading webs to form a fiber web; then performing random drafting on the fiber web to cause the fiber web to form a 3D network crossed structure; heating and baking the fiber web to cause at least the surface layer of the tacky fiber to be melted, and binding the surrounding fiber of the fiber web. The use of the fine denier fiber greatly increases the content of still air in the heat insulation flocculus, reduces heat conduction, can divide the space in the heat insulation flocculus into smaller spaces, and prevents or reduces air convection, thus improving the heat insulation performance of the insulation flocculus; the hollow fiber can improve bulkiness and compression resilience of the heat insulation flocculus; and the random drafting causes the bulkiness and the compression resilience of the heat insulation flocculus to be higher.

The invention discloses a method for preparing cotton-like fabric through alkali decrement. The method comprises the steps of: a. first conducting unwinding treatment to polyester grey fabric, then carrying out sanding treatment; b. performing high temperature alkali decrement treatment in a high-temperature high-pressure overflow dyeing machine; c. dyeing and bleaching the treated fabric; d. carrying out shaping treatment to the dyed fabric for stabilizing the dimension; e. examining and packing a finished product. The high temperature alkali decrement technology consists of: with 10-15g/L of sodium hydroxide and 1g/L of a detergent, controlling the bath ratio at 1:15, first raising the temperature to 120-130DEG C at a speed of 2-5DEG C/min, conducting thermal insulation for 20-30min, then lowering the temperature to 50-80DEG C at a speed of 2-4DEG C/min, carrying out thermal insulation for 30-60min, and then lowering the temperature to normal temperature at a speed of 0.5-2.5DEG C/min. The fabric prepared by the method of the invention has the advantages that: 1. the fabric surface has dense and flat lines, the handfeel is soft and fluffy and surpasses cotton; 2. fibers have a strong fluffy feel, the luster is gentle, and the fabric surface can generates diffuse reflection to light and has gentle luster; 3. the fabric surface is smooth, has good permeability, and can improve chemical fibers, static resistance and stuffy feeling; the product can compare favorably with cotton fabric in terms of performances, and has lower price.

Articles, such as sanitary tissue products, including fibrous structures, and more particularly articles including fibrous structures having a plurality of fibrous elements wherein the article exhibits differential cellulose content throughout the thickness of the article and methods for making same are provided.

An embossing system is provided for embossing a web having a first embossing roll having embossing elements and a second embossing roll having embossing elements, wherein at least a portion of the embossing elements of the first and second embossing rolls are substantially oriented in the cross-machine direction. The embossing roll may be crowned, may have alignment means, and may be provided with precision gearing.

The invention relates to melt-blown cloth and a preparing system and a preparing process thereof. The melt-blown cloth comprises the following components including, by weight, 75 parts of polypropylene resin, 35 parts of polyethylene terephthalate, 22 parts of titanium dioxide, 3 parts of a dispersing agent, 5 parts of a stabilizing agent and 3 parts of an auxiliary agent. The process comprises the following steps of 1, putting a raw material solution into a discharging device, and pressing the solution into a spray head assembly after the discharging device is started; 2, under the drafting action of two high-temperature airflow generators, forming superfine fibers by using the raw material solution sprayed out of the spray head assembly; 3, conducting bonding on the sprayed superfine fibers under the action of self-bonding, and forming the melt-blown cloth on a receiving device through cooling of two high-temperature airflow generators; 4, enabling the running receiving device to drive the melt-blown cloth to be conveyed leftwards and wound on a cloth winding roller; and 5, cutting the two ends of the melt-blown cloth by two edge cutting devices.

A flat fibre bundle is prepared from cotton pulp, wood pulp, or their mixture through alkalizing, sulfonating to obtain cellulose sulfonate as spinning dope, spinning by nozzle, bundling, plasticizing, drawing, washing in water, and desulfurizing. The coagulating bath for spinning contains sulfuric acid and zinc sulfate. Its advantages are large surface area and high looseness.

Articles, for example multi-ply fibrous structure-containing articles such as multi-ply sanitary tissue products, containing two or more fibrous structure plies, wherein at least one of the fibrous structure plies is embossed and is bonded to at least one other fibrous structure ply by a water-resistant bond such that void volume is created between the bonded fibrous structure plies.

The invention discloses a compounding method of hot air through nonwoven fabric and all cotton nonwoven fabric, and belongs to the technical field of nonwoven fabric production. The method comprises the following steps: taking hot air through nonwoven fabric as the bottom layer, laminating a nonwoven fabric-cotton mesh on the hot air through fabric, and carrying out pre-wetting and front-back spunlace laminating to obtain the product. According to the method, a spunlace method is used to replace chemical adhering to compound chemical fiber nonwoven fabric and all cotton spunlace nonwoven fabric; the advantages of all cotton nonwoven fabric such as softness, water absorbing property, breathability, and the like, are preserved, at the same time, the advantages of hot air through nonwoven fabric such as high filling power, good elasticity, soft hand feeling, strong warm keeping performance, air penetrating and water penetrating performance, and the like are also preserved; moreover, the glue leakage is prevented, and the peeling strength meets the requirement.

The invention relates to the technical field of papermaking, in particular to a method for making a low basis weight manila board from wood fiber. The method comprises the steps of: A. dissolution, i.e. dispersing wood fiber and conducting dissolution treatment to obtain a wood fiber slurry; B. beating, i.e. conducting beating treatment on the wood fiber slurry subjected to dissolution treatment; C. coarse screening, i.e. conducting coarse screening treatment on the wood fiber slurry subjected to beating treatment; D. purification, i.e. mixing the wood fiber slurry subjected to coarse screening treatment with an MW slurry, then carrying out fine screening, slag removal, concentration and heat dispersion treatment, thus obtaining a core layer slurry for making coated white board paper; E. papermaking, i.e. processing a surface layer slurry, a lining slurry, a bottom slurry and the core layer slurry prepared by step D to obtain the low basis weight manila board. The method provided by the invention can effectively improve the bulkness of finished paper, reduces the paper basis weight exceeding problem, at the same time avoids the penetration point problem of thick and large wood fiber in finished paper, and greatly reduces the production cost.

The invention relates to a superfine glass fiber cotton felt for photocatalytic air purification and a preparation method thereof, and belongs to the technical field of functional composite materials.The superfine glass fiber cotton felt consists of the following components in percentage by mass: 83 to 92 weight percent of superfine glass fiber, 6 to 8 weight percent of photocatalytic nanoscale particles and 1 to 3 weight percent of bonding system. The invention also relates to a preparation method of the superfine glass fiber cotton felt for photocatalytic air purification. The preparation method comprises the following steps: uniformly atomizing and spraying turbid liquid containing photocatalytic nanoparticles and a bonding system on the surface of the superfine glass fiber prepared bya flame blowing method, and drying to obtain the superfine glass fiber cotton felt for photocatalytic air purification. Compared with a traditional glass fiber filter cotton felt, the superfine glassfiber cotton felt for photocatalytic air purification has the advantages that the function of eliminating bacteria and volatile organic compounds (TVOC) in air is added, the superfine glass fiber cotton felt is rapidly decomposed under visible light, the filtering efficiency is higher, the filtering resistance is lower, and the machining strength is better.

The invention discloses a pre-embedded bag for multi-stage remediation of uranium-contaminated soil and a use method thereof, and belongs to the technical field of uranium-contaminated soil remediation. The pre-embedded bag for multi-stage remediation of uranium-contaminated soil can be pre-embedded by a soil cleaning and per-embedding manner, on the one hand, uranyl ions in the soil are transferred through a strict water-conducting network, a large amount of uranyl ions are actively and quickly collected into the pre-embedded bag to facilitate fixed-point remediation, on the other hand, a special soil remediation agent is used to greatly improve adsorption and accumulation for uranyl ions, agglomeration of uranyl ions is improved based on nano porous properties, and uranyl ions are filledin micro-pores to avoid contamination and diffusion. After the active primary remediation, uranyl ions in the uranium-contaminated soil are reduced to a certain value, then natural secondary remediation, namely heavy metal uranium enrichment plant remediation, is followed, the soil organic matter content and soil fertility are increased, a soil surface structure is improved and maintained, and asolid foundation for direct use of the soil after uranium pollution remediation is laid.