Changes

Non-wovens

920 bytes added, 14:01, 27 September 2013
===Introduction===
'''Nonwoven''' textiles are those which are neither woven nor knit, for example felt. General use hyphenates the word, but industrial use spells it as one word. Non-wovens are typically not strong (unless reinforced by a backing or densified). In the recent years non-woven material has become an alternative to polyurethane foam. <br>'''Non-woven''' fabric is typically manufactured by putting small fibers together in the form of a sheet(web) and then binding them either mechanically (as in the case of felt, by interlocking them with serrated needles such that the inter-fiber friction results in a stronger fabric), with an adhesive, or thermally ({by applying binder(in the form of powder, paste, or polymer melt) and melting the binder onto the web by increasing temperature)}.
====Raw material====
Non-woven materials are nowadays mainly produced from man-made fibers. Two synthetic polymers dominate the market: polypropylene and polyesters (mainly PET). Nonwovens are often application-designated as either durable or disposable. Nonwoven used as a housewrap to prevent water infiltration is a durable nonwoven. Nonwoven used as a facing on a baby diaper is a disposable or single-use nonwoven.
====[[Application]]====Non-woven materials are used in numerous applications, including:=====Hygiene=====* Baby diapers* Feminine hygiene* Adult incontinence products* Wipes* Bandages and wound dressings=====Medical=====* Isolation gowns* Surgical gowns* Surgical drapes and covers* Surgical scrub suits* Caps=====Technical=====* Roll roofing and shingle reinforcement* Insulation backing* Battery electrode separators* Vinyl flooring reinforcement* Plastic surface reinforcement (veils)* Wall coverings* Honeycomb structural components* Ceiling tile facings* Circuit board reinforcement* Electrical insulation=====Geotextiles=====* Soil stabilizers and roadway underlayment* Agriculture mulch* Pond and canal water barriers* Sand infiltration barrier for drainage tile=====Other=====* Carpet backing (primary and secondary)* Composites** Marine sail laminates** Table cover laminates* Backing/Stabilizer for machine embroidery* Thermal insulation (fiberglass quilting/batting)* Pillows, cushions, and upholstery padding* Batting in quilts or comforters* Consumer and medical face masks* Tarps, tenting and transportation (lumber, steel) wrapping* Disposable clothing (foot coverings, coveralls)
===Sample IP analysis===
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[[Image:designaa.png|thumb|center|800px|Design patents ]]
[[Pictorial view of analysis]]
===Pictorial analysis ==Production patents=====[[Absorbent pad]]====[[Image:111.jpg|thumb|center|600px]] ====Attaching napkin to garment====[[Image:napkin.jpg|thumb|center|600px]] ====Fastening means====[[Image:Fasten.jpg|thumb|center|600px]] ====Shoulder strap pad for bra====[[Image:Shoulder.jpg|thumb|center|600px]] ====[[Tampon]]====[[Image:Tampon11.jpg|thumb|center|600px]] ===Production patents===
* '''Classification of Production patents'''
[[Image:productionaa.png|thumb|center|800px| Production patents]]
 
==[[Non Wovens for Skin care wipes]]==
 
 
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