NL1042223B1 - Cut resistant clothing - Google Patents

Cut resistant clothing

Info

Publication number
NL1042223B1
NL1042223B1 NL1042223A NL1042223A NL1042223B1 NL 1042223 B1 NL1042223 B1 NL 1042223B1 NL 1042223 A NL1042223 A NL 1042223A NL 1042223 A NL1042223 A NL 1042223A NL 1042223 B1 NL1042223 B1 NL 1042223B1
Authority
NL
Netherlands
Prior art keywords
fiber
garment
clothing
fabric
yarn
Prior art date
Application number
NL1042223A
Other languages
Dutch (nl)
Inventor
Ing Marcel Pierre Henry Alberts Drs
Joannes Maria Rots Rudi
Original Assignee
Eurofibers B V
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eurofibers B V filed Critical Eurofibers B V
Priority to NL1042223A priority Critical patent/NL1042223B1/en
Application granted granted Critical
Publication of NL1042223B1 publication Critical patent/NL1042223B1/en

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/01—Surface features
    • D10B2403/011—Dissimilar front and back faces
    • D10B2403/0114—Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)

Abstract

The present invention aims at providing cut and/or abrasion resistant clothing which is both stylish and comfortable to wear, even if worn directly on the skin. The invention comprises, but is not limited to, a sweater that is very effective in preventing cut and slash injuries, bite wounds and scratch incidents. The invention comprises the use of a plating knitting technique to produce a single layer double faced fabric, which can be used for clothing by having the strong high performance continuous filament fiber on the surface facing the skin of the wearer and for example natural cotton or wool yarn on the outer surface. In order to prevent the shiny continuous filament fiber to shine through, a very bulky and hairy yarn is used as the yarn for the plating, i.e. the yarn on the outer surface.

Description

FIELD OF THE INVENTION
The present invention relates to cut resistant clothing in general and cut resistant sweaters and T-shirts in particular. The clothing according to the invention is stylish, highly protective and very comfortable to wear.
BACKGROUND OF THE INVENTION
In various professions in a wide variety of industries it is desirable to wear cut, heat and/or abrasion resistant clothing. Cut resistant clothing has evolved substantially since the era of the chainmail, the armor consisting of small rings linked together in a mesh-like pattern. The chainmail was heavy and imposed limitations on the movements of its wearer.
With the emergence of strong, cut resistant synthetic fibers it became possible to produce very flexible and lightweight cut resistant clothing. Examples of such synthetic High Performance Fibers are the Aramid and Ultra-High Molecular Weight Polyethylene (UHMwPE) fibers.
Aramid is formed from aromatic polyamide. Aramid fiber is defined as a manufactured fiber in which the fiber-forming substance is a long-chain synthetic polyamide in which at least 85% of the amide linkages are attached directly to two aromatic rings.
Aramid fiber is produced by spinning a solid fiber from a liquid chemical blend. This causes the polymer chains to orientate in the longitudinal direction of the fiber, thereby increasing its strength.
Para-aramid fibers such as Kevlar®, Twaron®, Technora® and Taparan® have outstanding strength-to-weight properties, and have high tenacity which makes them difficult to cut or fray.
Ultra-High Molecular Weight Polyethylene (UHMwPE) is a type of polyolefin that is composed of very long chains of polyethylene with a very high percentage of parallel orientation and high level of crystallinity.
The extremely long polymer chains enable load transfer by strengthening intermolecular interactions. UHMWPE fibers like the fibers commercially known under the brand names Dyneema® and Spectra® are manufactured in a gel spinning process. The fibers are used in armor, in particular, personal armor and on occasion as vehicle armor, cut-resistant gloves, bow strings, climbing equipment, fishing line, spear lines for spearguns, high-performance sails, suspension lines on sport parachutes and paragliders, rigging in yachting, kites, and kite lines for kites sports
In spite of these High Performance Fibers' excellent mechanical and physical properties, they also have at least one disadvantage, being their highly synthetic look and feel. Clothing made from high performance continuous filament fiber yarns don't look stylish, irrespective of their design. Due to the gloss of the yarn such clothing has a far from stylish appearance. In addition, wearing high performance continuous filament fiber directly in contact with the skin can be experienced by many people as being quite uncomfortable. Of course, it is possible to create multi layer clothing in which one or more pieces of fabric that are made from high performance continuous filament fiber are encapsulated. However, such a multi layer configuration will lead to less flexible and hence less comfortable clothing. Therefore, there is a, yet unmet, need for cut and/or abrasion resistant clothing that is stylish, flexible and comfortable to wear.
SUMMARY OF THE INVENTION
The present invention aims at providing cut and/or abrasion resistant clothing which is both stylish and comfortable to wear, even if worn directly on the skin. The invention comprises, but is not limited to, a sweater that is very effective in preventing cut and slash injuries, bite wounds and scratch incidents.
The invention comprises the use of a plating knitting technique to produce a single layer double faced fabric, which can be used for clothing by having the strong high performance continuous filament fiber on the surface facing the skin of the wearer and for example natural cotton or wool yarn on the outer surface. In order to prevent the shiny continuous filament fiber to shine through, a very bulky and hairy yarn is used as the yarn for the plating, i.e. the yarn on the outer surface.
BRIEF DESCRIPTION OF THE DRAWINGS
The various benefits and advantages of the present invention will be more apparent upon reading the following detailed description of the invention taken in conjunction with the attached drawings, whereby:
FIG. 1 is a simplified schematic representation of an intermediate stage in the plating knitting of a piece of fabric comprising two distinct yarns;
FIG. 2 is a simplified schematic representation of a cross section through a fabric comprising two distinct yarns, whereby one of the yarns is hairy.
In the drawings identical or similar parts have been designated with identical or similar reference numbers.
DETAILED DESCRIPTION OF THE INVENTION
Employees are many organisation's most precious asset. They put their safety and often even their life on the line for the sake of the company or the community. The present invention is aimed at offering such employees and other individuals, who are exposed to hazardous conditions or environments, protection from dangerous conditions or sharp cutting edges in their daily work. Thanks to the cut resistant clothing according to the present invention employees in many hazardous professions will no longer have to trade off safety and comfort. Such professions include, but are not limited to, for example:
• Security guards · Police officers • Ambulance personnel • Train conductors • Prison staff • Fire fighters · Psychiatric care personnel • Bus drivers • Government officials • Glaziers
The invention comprises the use of a plating knitting technique to produce a single layer double faced fabric, which can be used for protective clothing by having a strong high performance fiber, a continuous filament yarn, as the first or main yarn of the surface facing the skin of the wearer, also referred to as the first face or back side of the fabric, and a spun yarn, for example natural cotton or wool yarn as the second yarn, the main yarn of the outer surface, also referred to as the second face or front side of the fabric. In plating knitting two yarns, often with contrasting colors, are knitted simultaneously using a specially designed plating feeder.
The prior art teaches that the plating knitting technique can be used to produce clothing comprising a double faced fabric for people who, for example, cannot wear metallic fiber next to their skin. Plating allows them to have such metallic yarn on the front side, the side that faces away from their skin, and another yarn that goes well with their skin on the side facing the skin, i.e. the back side of the fabric.
Since an objective of the present invention is the creation of stylish protective clothing, it is not an option to have the shiny continuous filament fiber on the front side of the fabric. However, having this synthetic yarn touching the skin, which many people would experience as being at least uncomfortable, isn't a desirable option either. The invention provides an unexpected solution for this dilemma comprising the use of a very bulky and hairy yarn as the second yarn, i.e. the yarn on the front side of the fabric of the clothing, in order to achieve the following effects:
• ensuring that the knit of the second yarn (largely) prevents that the high performance continuous filament fiber, hereinafter also referred to as cut resistant continuous filament fiber, is visible on the front side of the fabric of the clothing;
• ensuring that hairs or strands of hairs of the second yarn protrude through the knit of the high performance fiber on the back side of the double faced fabric. The invention envisions that the total cross sectional surface area of the hairs and/or strands of hair protruding on the back side of the fabric comprises at least 0,05 % of the projected area of the fabric. In various embodiments of clothing items according to the invention the total cross sectional surface area of the hairs and/or strands of hair protruding on the back side of the fabric comprises 0,05 to 0,5% of the projected area of the fabric. These protruding hairs prevent or at the least minimize the direct contact between the skin of the wearer of the clothing and the high performance fiber.
Examples of suitable materials for the hairy yarns include, but are not limited to natural fibers like alpaca, angora, cashmere, merino, wool, cotton, hemp, linen, bamboo or spun yarn made from synthetic fiber like acryl, rayon, polyester or polyamide.
FIG. 1 shows a simplified schematic representation of an intermediate stage in the plating knitting process of a fabric using two distinct yarns. Assuming that the fabric that is being knitted is intended for use in clothing according to the present invention, the first yarn 1, represented by the solid bold black line, may comprise for example
Dyneema® continuous filament fiber and the second yarn 2 may comprise for example
I a hairy high bulk yarn made from mohair or acryl HB.
FIG. 2 is a simplified schematic representation of a cross section through a fabric that could have been produced by applying the plating knitting technique comprising two 5 distinct yarns 3 and 4 whereby one of the yarns, the yarn 4 on the top side of the fabric, is a hairy staple fiber. In this case the hairiness of the yarn 4 is only depicted by a few wavy lines 4a representing individual hairs or strands of hair of the yarn 4, whereby these hairs and/or strands of hair 4a protrude through the knit layer consisting of the yarn 3 on the bottom side of the fabric. As a result of the protruding 10 hairs 4a the bottom side of a fabric with the characteristic shown schematically in FIG.
may feel almost as soft and pleasant as the top side comprising a full layer of the hairy yarn. The cut resistant clothing according to the present invention comprises fabric that is characterized by the phenomenon shown schematically in FIG. 2.
While, normally, when the plating knitting technique is applied the sneaking through of 15 one of the yarns through the knit of the other yarn is considered to be undesirable, the invention uses this deliberately as a solution.
The fabric of various embodiments of clothing according to the invention comprises at least 50 wt.% and maximum 80 wt.% UHMwPE or aramid fiber. One of the preferred 20 embodiments comprises approximately 67 wt.% UHMwPE fiber. Several embodiments of clothing items according to the invention comprise at least 30 wt.% UHMwPE fiber. However, the invention also includes embodiments with a lower UHMwPE or aramid content.
An embodiment of the clothing according to the invention comprises a turtleneck sweater and another embodiment a long sleeve T-Shirt. The sweater and T-Shirt offer reliable cut and slash protection and high wearing comfort. The sweater is durable and washable for long-lasting protection and uncompromised comfort.
The sweater meets the cut-level 4 criterion of the new European EN388 standards and is designed with comfort and elegance as a basis. The T-Shirt meets cut level-3 to this 30 same standard. Thanks to the modern cut, this turtleneck sweater not only effectively protects the wearer's skin, but for example a black version of it can also be worn as an everyday fashion item. The Dyneema® UHMwPE fiber is 15 times stronger than steel on a weight-for-weight basis. Besides being lightweight and virtually indestructible, Dyneema® also has a high thermal conductivity, hence keeping the body of the wearer cool. It is supple (feels like silk on the skin), chemically inert, hydrophobic (water repellent) and UV-resistant.
By having stylish and comfortable cut resistant clothing items such as for example the sweater according to the invention, the main reasons for not wearing protective clothing are eliminated. So, clothing according to the invention is likely to make a significant contribution to the prevention of cut and slash injuries, bite wounds and scratch incidents in a variety of industries.
While only certain features of the invention have been illustrated and described herein, many modifications and changes will occur to those skilled in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims (16)

CLAUSESCLAUSES 1. Cut resistant clothing, comprising a single layer double faced fabric with a high performance continuous filament fiber with cut resistant properties on the back side of the fabric and a bulky and hairy spun yarn on the front side of the fabric whereas hairs of the bulky and hairy yarn protrude through the yarn knit on the back side of the fabric whereby the total cross sectional surface area of all the protruding hairs and strands of hair comprises at least 0,05 % of the projected area of the fabric.1. Cut resistant clothing, including a single layer double faced fabric with a high performance continuous filament fiber with cut resistant properties on the back side of the fabric and a bulky and hairy spun yarn on the front side of the fabric whereas hairs of the bulky and hairy yarn protrude through the yarn knit on the back side of fabric fabric the total cross sectional surface area or all the protruding hairs and strands of hair comprises at least 0.05% of the projected area of the fabric. 2. The clothing according to clause 1, wherein the high performance continuous filament fiber with cut resistant properties comprises aramid fiber.2. The clothing according to clause 1, the high performance continuous filament fiber with cut resistant properties consists of aramid fiber. 3. The clothing according to clause 2, wherein the aramid fiber comprises Twaron®.3. The clothing according to clause 2, including the aramid fiber comprises Twaron®. 4. The clothing according to clause 1, wherein the high performance continuous filament fiber with cut resistant properties comprises UHMwPE fiber.4. The clothing according to clause 1, the high performance continuous filament fiber with cut resistant properties comprising UHMwPE fiber. 5. The clothing according to clause 2, wherein the UHMwPE fiber comprises Dyneema®.5. The clothing according to clause 2, including the UHMwPE fiber comprises Dyneema®. 5 6. The clothing according to clause 5, wherein the UHMwPE fiber comprises5 6. The clothing according to clause 5, including the UHMwPE fiber comprises Dyneema® Diamond 3G12.Dyneema® Diamond 3G12. 7. The clothing according to any of the clauses 1 - 6, wherein the clothing comprises a sweater.7. The clothing according to any of the clauses 1 - 6, the clothing comprises a sweater. 8. The clothing according to clause 7, wherein the sweater comprises a sweater with 10 a turtleneck.8. The clothing according to clause 7, where the sweater comprises a sweater with 10 a turtleneck. 9. The clothing according to any of the clauses 1 - 6 , wherein the clothing comprises a T-Shirt.9. The clothing according to any of the clauses 1 - 6, the clothing comprises a T-Shirt. 10. The clothing according to any of the preceding clauses, wherein the fabric comprises at least 50 wt.% of a high performance continuous filament fiber.10. The clothing according to any of the preceding clauses, the fabric comprises at least 50 wt.% Of a high performance continuous filament fiber. 15 11. The clothing according to clause 10, wherein the fabric comprises at least 60 wt.% of a high performance continuous filament fiber.15 11. The clothing according to clause 10, the fabric comprises at least 60 wt.% Of a high performance continuous filament fiber. 12. The clothing according to clause 11, wherein the fabric comprises at least 65 wt.% of a high performance continuous filament fiber.12. The clothing according to clause 11, the fabric comprises at least 65 wt.% Of a high performance continuous filament fiber. 13. The clothing according to any of the preceding clauses, wherein the bulky and hairy 20 yarn on the front side of the fabric comprises one or more materials from the group comprising wool, cotton, mohair, cashmere, rayon, acryl, polyester and polyamide.13. The clothing according to any of the preceding clauses, according to the bulky and hairy 20 yarn on the front side of the fabric comprises one or more materials from the group including wool, cotton, mohair, cashmere, rayon, acrylic, polyester and polyamide . 14. The clothing according to clause 13, wherein the bulky and hairy yarn on the front side of the fabric comprises acryl HB.14. The clothing according to clause 13, the bulky and hairy yarn on the front side of the fabric comprises acrylic HB. 25 15. A method for the production of the clothing according to any of the preceding clauses.25 15. A method for the production of the clothing according to any of the preceding clauses. 16. The method according to clause 15, wherein the method comprises plating knitting.16. The method according to clause 15, where the method comprises plating knitting. CONCLUSIESCONCLUSIONS 1. Een snijbestendig kledingstuk, met het kenmerk, dat het kledingstuk een enkellaags breisel met een achterzijde omvattende snijwerende continufilamentA cut-resistant garment, characterized in that the garment is a single-layer knit with a back-end continuous cut filament 5 vezel en een voorzijde omvattende volumineus en harig gesponnen garen omvat waarbij haren of haarstrengen van het volumineuze en harige garen door het breisel aan de achterzijde van het breisel uit steken en waarbij het totale oppervlak van de dwarsdoorsneden van al deze aan de achterzijde uit stekende haren en haarstrengen ten minste vijfhonderdste procent van het geprojecteerde oppervlak 10 van het breisel omvat.5 comprises fiber and a front comprising bulky and hairy spun yarn wherein hairs or hair strands of the bulky and hairy yarn protrude through the knit at the rear of the knit and wherein the total cross-sectional area of all these rear-projecting hairs and hair strands comprise at least five hundred percent of the projected surface 10 of the knit. 2. Kledingstuk volgens conclusie 1, met het kenmerk, dat de snijwerende continufilament vezel aramide vezel omvat.Garment according to claim 1, characterized in that the cut-resistant continuous filament fiber comprises aramid fiber. 3. Kledingstuk volgens conclusie 2, met het kenmerk, dat de aramide vezel Twaron® omvat.Garment according to claim 2, characterized in that the aramid fiber comprises Twaron®. 15 4. Kledingstuk volgens conclusie 1, met het kenmerk, dat de snijwerende continufilament vezel UHMwPE vezel omvat.4. Garment according to claim 1, characterized in that the cut-resistant continuous filament comprises fiber UHMwPE fiber. 5. Kledingstuk volgens conclusie 2, met het kenmerk, dat de UHMwPE vezel Dyneema® omvat.The garment according to claim 2, characterized in that the UHMwPE fiber comprises Dyneema®. 6. Kledingstuk volgens conclusie 5, met het kenmerk, dat de UHMwPE vezelThe garment according to claim 5, characterized in that the UHMwPE fiber 20 Dyneema® Diamond 3G12 omvat.Dyneema® Diamond 3G12. 7. Kledingstuk volgens één of meer van de conclusies 1 - 6 , met het kenmerk, dat het kledingstuk een trui omvat.The garment according to one or more of claims 1 to 6, characterized in that the garment comprises a sweater. 8. Kledingstuk volgens conclusie 7, met het kenmerk, dat de trui een coltrui omvat.A garment according to claim 7, characterized in that the sweater comprises a turtleneck. 9. Kledingstuk volgens één of meer van de conclusies 1-6, met het kenmerk, dat het 25 kledingstuk een T-shirt omvat.9. Garment according to one or more of claims 1-6, characterized in that the garment comprises a T-shirt. 10. Kledingstuk volgens één of meer der voorgaande conclusies, met het kenmerk, dat het breisel van het kledingstuk ten minste vijftig gewichtsprocenten snijwerende continufilament vezel omvat.A garment according to one or more of the preceding claims, characterized in that the knit of the garment comprises at least fifty percent by weight of cut-resistant continuous filament fiber. 11. Kledingstuk volgens conclusie 10, met het kenmerk, dat het breisel van het kledingstuk ten minste zestig gewichtsprocenten snijwerende continufilament vezel omvat.A garment according to claim 10, characterized in that the knit of the garment comprises at least sixty percent by weight of cut-resistant continuous filament fiber. 12. Kledingstuk volgens conclusie 11, met het kenmerk, dat het breisel van het kledingstuk ten minste vijfenzestig gewichtsprocenten snijwerende continufilament vezel omvat.A garment according to claim 11, characterized in that the knit of the garment comprises at least sixty-five percent by weight of cut-resistant continuous filament fiber. 13. Kledingstuk volgens één of meer der voorgaande conclusies, met het kenmerk, dat het volumineuze en harige garen aan de voorzijde van het breisel één of meer materiaalsoorten omvat uit de groep omvattende wol, katoen, mohair, cashmere, rayon, acryl, polyester en polyamide.A garment according to any one or more of the preceding claims, characterized in that the bulky and hairy yarn comprises one or more types of material from the group comprising wool, cotton, mohair, cashmere, rayon, acrylic, polyester and polyamide. 14. Kledingstuk volgens conclusie 13, met het kenmerk, dat het volumineuze en harige garen acryl HB omvat.A garment according to claim 13, characterized in that the bulky and hairy yarn comprises acrylic HB. 15. Een werkwijze voor het vervaardigen van het kledingstuk volgens één of meer der voorgaande conclusies.A method of manufacturing the garment according to one or more of the preceding claims. 16. Werkwijze volgens conclusie 15, met het kenmerk, dat de werkwijze plateren met behulp van een breimachine omvat.A method according to claim 15, characterized in that the method comprises plating using a knitting machine. F\G.AF \ G.A A042223A042223
NL1042223A 2017-01-13 2017-01-13 Cut resistant clothing NL1042223B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL1042223A NL1042223B1 (en) 2017-01-13 2017-01-13 Cut resistant clothing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1042223A NL1042223B1 (en) 2017-01-13 2017-01-13 Cut resistant clothing

Publications (1)

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NL1042223A NL1042223B1 (en) 2017-01-13 2017-01-13 Cut resistant clothing

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711514A1 (en) * 1994-11-09 1996-05-15 M.A.G.E.P. S.A. Individual protective equipment from plaited jersey knitwear especially protective gloves
EP2487284A1 (en) * 2011-02-14 2012-08-15 Midas Safety Inc. Knitted glove
WO2014134682A1 (en) * 2013-03-07 2014-09-12 Grt Developments Pty Limited Fabric system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0711514A1 (en) * 1994-11-09 1996-05-15 M.A.G.E.P. S.A. Individual protective equipment from plaited jersey knitwear especially protective gloves
EP2487284A1 (en) * 2011-02-14 2012-08-15 Midas Safety Inc. Knitted glove
WO2014134682A1 (en) * 2013-03-07 2014-09-12 Grt Developments Pty Limited Fabric system

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