Model-Assisted Measurement of Weft Yarn Velocity on a Projectile Weaving Machine.

A review of the development and applications of the model assisted measurement of filling yarn velocity on a projectile loom describes the characterization of filling yarn motion, the dependence of filling yarn velocity on a range of factors (mathematical modeling of projectile velocity and dependence of projectile flight duration on rest..

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Narrow Weaving

The narrow fabric needle loom was first patented in 1920, but was not used commercially until the 1950s. Needle looms use a weft insertion device instead of a shuttle to lay in a double weft on each pick. Electonic jacquard devices use computers to control the hooks. These computers allow looms to weave different designs in predetermined ..

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Composite -- A Modern Material Using Woven Fabric.

Composites featuring yarns manufactured from high performance fibers have application in light weight components for transportation and vehicle construction. Components for light weight or light gage products are typically sandwich constructions with fabric inserts. Fabrics are woven from untwisted multifilament yarns of glass, carbon, pa..

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Oxidized Oil Stains

After drycleaning or laundering, and oil stain can form small crosses as it spreads in the direction of individual yarns. On knit fabrics, such stains can result in sharp leave-off streaks. The stains can be yellow, tan or rust in color due to contact with cooking oils, mayonnaise, medicinal oils, lubricants, skin lotions, and salves. Suc..

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Modular Inspection Machine for Woven and Knitted Fabrics

Daroitex's new modular fabric inspection machine for woven and knit fabrics accommodates batched or folded packages. Its modular design permits quick reconfiguration to accommodate varying fabric and package types. Inverter controlled motors permit separate, automatic adjustment of loading and unloading speeds. An electronic racker automa..

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Cotton-Rich Fabric Is Highly Visible.

Klopmann International's Luminex CI cotton-rich fabric, which weighs 230 grams per square meter, is suitable for warm working environments and apparel worn next to the skin. The fabric has a igh proportion of polyester to meet the luminosity requirements of European standard EN 471. Klopmann manufactures the fabric in a 60/40 cotton/polye..

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Dimensional Control of Double Knit Fabrics.

Researchers determined the effects of yarn count, tightness, takedown tension, and spreader width on the dimensional stability of double knit fabrics in the dry relaxed state. Experimental materials included rib and interlock double knit fabrics manufactured from combed hosiery yarn in counts of 28, 32, 36, and 40. Duncan's Multiple Range..

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Effect of Fiber Swelling on the Structure of Lyocell Fabrics.

Optical microscopy, dimensional measurements, and water and hexadecane retention determine the effects of liquid swelling on the structural rearrangement of lyocell twill fabrics. Lyocell fibers swelled 30 percent laterally in water. Laterial swelling in sodium hydroxide increased 200 percent at optimal concentrations. Lateral expanison i..

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Development on Technical Textiles for Transportation.

An overview of textiles for the transportation industry addresses the development of air bag fabrics, Japanese and world markets for air bag fabrics, technical properties and structures of nylon 66 air bag fabrics, and the use of foamed urethane fabrics for automotive fabrics. The Japanese market for air bag fabrics consumed 6,000 tons of..

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Technology, Fashion and Technical Textiles Spur Warp Knitting Growth.

Warp knitting continues to expand into the industrial fabric sector, and warp knitting machine manufacturers continue to develop new apparel fabric knitting machines. Karl Mayer's HKS 2-3 (E) and HKS 2-3 two guide bar knitting machines knit super light weight fine gage fabrics. Industrial fabric knitting machines use monoaxial, biaxial, a..

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