Difference between revisions of "Non-wovens"

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===Introduction===
 
===Introduction===
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'''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>
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'''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>
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'''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).
+
'''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====
 
====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.
 
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.
  
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====Application====
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====[[Application]]====
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Non-woven materials are used in numerous applications, including:
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=====Hygiene=====
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* Baby diapers
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* Feminine hygiene
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* Adult incontinence products
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* Wipes
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* Bandages and wound dressings
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=====Medical=====
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* Isolation gowns
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* Surgical gowns
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* Surgical drapes and covers
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* Surgical scrub suits
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* Caps
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=====Technical=====
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* Roll roofing and shingle reinforcement
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* Insulation backing
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* Battery electrode separators
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* Vinyl flooring reinforcement
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* Plastic surface reinforcement (veils)
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* Wall coverings
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* Honeycomb structural components
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* Ceiling tile facings
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* Circuit board reinforcement
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* Electrical insulation
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=====Geotextiles=====
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* Soil stabilizers and roadway underlayment
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* Agriculture mulch
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* Pond and canal water barriers
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* Sand infiltration barrier for drainage tile
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=====Other=====
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* Carpet backing, primary and secondary
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* Composites
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** Marine sail laminates
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** Tablecover laminates
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* Backing/stabilizer for machine embroidery
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* Thermal insulation|insulation (fiberglass quilting|batting)
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* Pillows, cushions, and upholstery padding
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* Batting in quilts or comforters
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* Consumer and medical face masks
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* Tarps, tenting and transportation (lumber, steel) wrapping
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* Disposable clothing (foot coverings, coveralls)
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===Sample IP analysis===
 
===Sample IP analysis===
 
*'''Area''':  Baby diapers and Feminine hygiene.
 
*'''Area''':  Baby diapers and Feminine hygiene.
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[[Image:designaa.png|thumb|center|800px|Design patents ]]
 
[[Image:designaa.png|thumb|center|800px|Design patents ]]
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[[Pictorial view of analysis]]
 
  
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=====Production patents=====
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=== Pictorial analysis ===
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====[[Absorbent pad]]====
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[[Image:111.jpg|thumb|center|600px]]
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====Attaching napkin to garment====
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[[Image:napkin.jpg|thumb|center|600px]]
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====Fastening means====
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[[Image:Fasten.jpg|thumb|center|600px]]
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====Shoulder strap pad for bra====
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[[Image:Shoulder.jpg|thumb|center|600px]]
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====[[Tampon]]====
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[[Image:Tampon11.jpg|thumb|center|600px]]
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===Production patents===
 
* '''Classification of Production patents'''
 
* '''Classification of Production patents'''
  
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[[Image:productionaa.png|thumb|center|800px| Production patents]]
 
[[Image:productionaa.png|thumb|center|800px| Production patents]]
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==[[Non Wovens for Skin care wipes]]==
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Latest revision as of 06:01, 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.
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

Sample IP analysis

  • Area: Baby diapers and Feminine hygiene.
  • Search: Based on title, abstract and claims for some major companies in this field.

Year wise IP activity

  • Based on title, abstract and claims for some major companies in this field.The graph is based on the patents of Kimberly-Clark Corp, Johnson & Johnson, Procter & Gamble, and Playtex from 1836 to 2006.
Year wise IP activity

Competitive analysis

Competitive analysis

Sample analysis of some patents

  • This information is according to analysis of 27 patents.
Sample analysis
Design patents
  • Classification of Design patents
Design Total records Kimberly Clark Procter & Gamble Johnson & Johnson Playtex
Absorbent pad 11 2 5 4 0
Attaching napkin to garment 1 1 0 0 0
Fastening means 1 0 0 1 0
Shoulder strap pad for bra 1 0 0 0 1
Tampon 2 0 0 0 2
Design patents

Pictorial analysis

Absorbent pad

111.jpg

Attaching napkin to garment

Napkin.jpg

Fastening means

Fasten.jpg

Shoulder strap pad for bra

Shoulder.jpg

Tampon

Tampon11.jpg

Production patents

  • Classification of Production patents
Production Total records Kimberly Clark Procter & Gamble Johnson & Johnson Playtex
Absorbent pad 6 2 2 2 0
Odour removing composition 2 1 1 0 0
Wrapper 1 1 0 0 0
Elastic 1 1 0 0 0
Tampon 1 1 0 0 0
Production patents

Non Wovens for Skin care wipes

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