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1662results about "Stretching" patented technology

Manufacturing method of honeycomb structural body, and sealing material

An object of the present invention is to provide a manufacturing method of a honeycomb structural body which makes the profile of a cross section perpendicular to the length direction thereof less likely to generate dispersion, and also makes the thickness of its sealing material layer thinner, and a sealing material that is suitably used in the manufacturing method of the honeycomb structural body. According to the present invention, the manufacturing method of a honeycomb structural body with a sealing material layer formed on the peripheral portion of a pillar-shaped porous honeycomb member includes a sealing material applying step of applying a paste-like sealing material, which is a raw material of the sealing material layer, onto a circumferential face of the pillar-shaped porous honeycomb member, and a scraping step of fitting a ring-shaped scraper, which can be brought into contact with the circumferential face of the pillar-shaped porous honeycomb member so as to slide thereon, to the pillar-shaped porous honeycomb member and moving said ring-shaped scraper in the length direction, thereby expanding the paste-like sealing material applied onto the circumferential face of the pillar-shaped porous honeycomb member so as to spread over the entire circumferential face of the pillar-shaped porous honeycomb member.
Owner:IBIDEN CO LTD

Liquid crystalline polymer film, laminate sheet for optical element using same, and optical element using the laminate

To provide a film for optical element made of liquid crystal polymer whose productivity and economical efficiency are improved; a laminated sheet formed by bonding this film to a polarizing plate; and an optical element which can be optically inspected, and used under an environment of high temperature and high moisutre, and whose surface hardness is so high that the surface is not easily damaged. A long laminated sheet for optical element comprising a liquid crystal polymer layer, and a polarizing film layer; and a long laminated sheet for optical element comprising at least a liquid crystal polymer film layer oriented in the direction oblique to the MD direction at a given angle, and a polarizing film layer. An optical element having a laminated structure formed by laminating a layer of a cured acrylic resin having optical isotropy, an orientated liquid crystal polymer layer, a layer of pressure-sensitive adhesive, and a translucent base layer in that order, and a long laminated sheet for optical element having a laminated structure formed by laminating a layer of a cured acrylic resin having optical isotropy; an oriented liquid crystal polymer layer; a layer of pressure-sensitive adhesive; and a translucent base layer in that order, and a containing liquid crystal polymers orientated in the MD direction at an arbitrary angle.
Owner:NIPPON PETROCHEMICAL CO LTD

Novel dyeing and finishing processing technology of micro polyester fabric

The invention relates to a novel dyeing and finishing processing technology of a micro polyester fabric. The novel dyeing and finishing process disclosed by the invention is characterized by comprising the following steps of: (1) pretreatment, namely carrying out cold rolling and stacking processing comprising three stages, namely cold stacking, hot alkali treatment and high efficiency washing, on polyester gray fabric; (2) presetting, namely carrying out high temperature tentering and presetting on a pretreated fabric white body by utilizing a setting machine; (3) dyeing, namely dyeing the preset fabric white body by adopting superfine fiber leveling agent; and (4) cleaning, namely carrying out cleaning post-processing on the dyed fabric to remove disperse dyes which are not set after fibres are dyed. According to the novel dyeing and finishing processing technology disclosed by the invention, an environment-friendly and low-energy-consumption cold rolling and stacking pretreatment technology is used for carrying out pretreatment on the micro polyester fabric, on one hand, desizing effect is good and good dyeing and finishing processing conditions are provided for dyeing, and on the other hand, crease mark of the fabric can be effectively reduced; meanwhile, a formula of a dyeing process additive can be adjusted, albafluid U is added to reduce fabric dyeing scratch, and dyeing defects can be prevented from being caused.
Owner:SHENGHONG GRP CO LTD

High-elongation apertured nonwoven web and method for making

An extensible apertured nonwoven web, and a method for making such an apertured nonwoven web. In one embodiment the method comprises the steps of providing an apertured nonwoven web, incrementally stretching it in a direction substantially parallel to the cross machine direction, and applying tension in the machine direction such that the web width after applying tension is less than the web width after incremental stretching. In another embodiment the method comprises the steps of providing a nonwoven web; weakening the nonwoven web at a plurality of locations to create a plurality of weakened, melt-stabilized locations; applying a first tensioning force to the nonwoven web to cause the nonwoven web to rupture at the plurality of weakened, melt-stabilized locations creating a plurality of apertures in the nonwoven web coincident with the weakened, melt-stabilized locations, incrementally stretching the nonwoven web in a direction substantially parallel to the cross machine direction, and applying tension in the machine direction such that the web width after applying machine direction tension is less than the web width after incremental stretching. An apparatus for producing a web of the present invention by this method is also disclosed. The extensible apertured nonwoven web produced has a plurality of apertures each having a hole size greater than 2 mm2, and a hole aspect ratio less than 6, the nonwoven web having an open area greater than 15% and being capable of at least 70% extension in the cross machine direction at a loading of 10 g/cm.
Owner:THE PROCTER & GAMBLE COMPANY

Wrinkle removal equipment for synthetic leather machining

The invention discloses wrinkle removal equipment for synthetic leather machining. The wrinkle removal equipment for the synthetic leather machining comprises a coating machine; the wrinkle removal equipment is installed before the coating machine; the wrinkle removal equipment comprises heating rollers, impression rollers and a humidification box; the heating rollers compress the impression roller; a first steam inlet and a second steam inlet are formed inside the humidification box; cloth is conveyed to the coating machine through the heating rollers and the impression rollers after penetrating the humidification box; the first steam inlet and the second steam inlet are communicated with an ultrasonic wave water atomization generator; water mist output from the first steam inlet and the second steam inlet can wet two sides of the cloth; the heating rollers are provided with at least three electric heating bodies which are connected with an electric control controller, first temperature sensors and second temperature sensors; the heating rollers in the middle and at two ends allow setting of different temperature and are specifically used for removing wrinkle at two ends of the cloth. The wrinkle removal equipment for the synthetic leather machining has the advantages of being reasonable in structure, low in cost, saving electricity and water, saving sites and removing winkles on the cloth in a fixed form mode under high temperature, high humidity and high pressure.
Owner:福清市科技创新发展服务中心(福清市科技情报所)

Process for making anti-infrared multifunctional camouflaged color cloth

The invention relates to a textile printing and dyeing technique, in particular to a manufacturing technique of an infrared ray resistant multi-functional camouflage fabric. The technique flow is as follows: original cloth seaming, singeing, old rolling, 180 pre-treatment, shaping, mercerizing, ground dyeing, pattern printing, baking, aging, stentering of post treatment, examination and acceptance; wherein, the ground dyeing flow is as follows: padding liquor, two groups of infrared rays and drying; a formula adopted in the ground dyeing flow comprises 2g/l to 10g/l of dispersion dyes, 5g/l to 15g/l of vat dyes and 0.01g/l to 1.0g/l of infrared ray resistant regulators; the formula of pattern printing is as follows: 2kg to 15.7kg of dispersion material, 2. kg/l to 10.5kg/l of vat material and 0.01kg to 2.5kg of infrared ray resistant regulators; post treatment has the function compatibility of multiple functions which are water proofing, oil repellence, ventilation, crease resistance and static resistance. The technique has the advantages of having short production procedure, color phase with good uniformity, stable infrared reflectivity, low cost, multiple functions, mainly using environment friendly dyes and being suitable for infrared ray resistant camouflage fabric products with different fibers and different specifications.
Owner:XIANYANG JIHUA NEW 30 DYEING & PRINTING

Processing method of warp knitting plush fabrics with burning out printing terylens

The invention relates to a processing method of warp knitting plush fabrics with burning out printing terylens. The processing method comprises the following steps of: materials selection: selecting DTY (Draw Textured Yarn) terylen low stretch yarns from 75 D to 150 D as felted yarn materials and selecting FDY (Fully Drawn Yarn) semi-dull polyester yarns from 50 D to 100 D as ground yarn materials, wherein the DTY terylen low stretch yarns account for 60-80% of the fabrics by weight percent, and the FDY semi-dull polyester yarns account for 20-40% of the fabrics by weight percent; weaving or slitting after weaving; thermally forming or pretreating after thermally forming; brushing and cropping the front surface or brushing and cropping the back surface, cropping the back surface and pilling; post-forming; burning out printing: carrying out burning out printing on grey fabrics subjected to the post-forming by using a burning out printing alkali slurry; steaming; post-treating; and forming a finished product. By the technical scheme, the fabrics can achieve the advantages of strong third dimension of patterns, ideal sculptured pattern effects and favorable shininess, residues does not generate in the weaving process, which is beneficial to protecting warp knitting machines.
Owner:CHANGSHU XINXIN WARP & KNITTING

Method for preparing glass fiber and reinforced polypropylene fiber composite material

The invention relates to a method for preparing a glass fiber and reinforced polypropylene fiber composite material. The method comprises a non-weaving process in pre-procedure and a thermal pressing and molding process in post-procedure; the non-weaving process in pre-procedure comprises the following steps of: weighing polypropylene fibers and glass fibers in proportion, loosening the fibers by a coarse opener, then conveying to a blending box by a cotton conveying blower, conveying to a fine opener, a vibrating cotton box and a big cotton bin, sufficiently mixing the fibers by means of a conveying curtain, an inclined curtain and a picker roller beater, outputting to a carding machine by a cotton pressing roller and an output curtain, lapping by a lapping machine, conveying the fiber mesh by a feeder to a pre-needling machine for pre-needling operation, and setting and needling into a felt material by using a main needling machine; and the thermal pressing and molding process in post-procedure comprises the following steps of aligning and unreeling, powdering, deviation correction, open-width feeding, heating of a drying room, thermal pressing and compounding, rolling and cooling, and air-cooling. The method for preparing the glass fiber and reinforced polypropylene fiber composite material has the advantages of stronger tensile strength and impact resistance performance, capability of satisfying the usage requirements in the high-load defending parts of automobiles and ships and the like, and wide application range.
Owner:NINGBO SUNLIGHT MOTOR PARTS
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