US20120107526A1 - Artificial turf - Google Patents

Artificial turf Download PDF

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Publication number
US20120107526A1
US20120107526A1 US13/281,216 US201113281216A US2012107526A1 US 20120107526 A1 US20120107526 A1 US 20120107526A1 US 201113281216 A US201113281216 A US 201113281216A US 2012107526 A1 US2012107526 A1 US 2012107526A1
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US
United States
Prior art keywords
base cloth
artificial turf
synthetic fiber
present
synthetic
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US13/281,216
Inventor
Hyo-sang Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EZ HYBRID TURF Inc
LEESHIN CORP
Original Assignee
LEESHIN CORP
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44406140&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20120107526(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by LEESHIN CORP filed Critical LEESHIN CORP
Assigned to LEESHIN CORPORATION reassignment LEESHIN CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, HYO-SANG
Publication of US20120107526A1 publication Critical patent/US20120107526A1/en
Priority to US14/282,708 priority Critical patent/US20140250780A1/en
Assigned to LEE, HYO-SANG reassignment LEE, HYO-SANG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEESHIN CORPORATION
Assigned to LEESHIN CORPORATION reassignment LEESHIN CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, HYO-SANG
Assigned to EZ HYBRID TURF INC. reassignment EZ HYBRID TURF INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, HYO-SANG
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/02—Pile fabrics or articles having similar surface features
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10—Open-work fabrics
    • D04B21/12—Open-work fabrics characterised by thread material
    • 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
    • D10B2505/00—Industrial
    • D10B2505/20—Industrial for civil engineering, e.g. geotextiles
    • D10B2505/202—Artificial grass

Definitions

  • the present invention relates to an artificial turf paved instead of natural grass on a playing field, etc., and more specifically to an artificial turf in which a plurality of void portion are naturally formed to make partial growth of natural grass possible with synthetic grass, and a filler such as rubber chips or sand that were filled in under the synthetic grass can be easily separated to make recycling easy, and which can be easily fixed on the ground of a playing field with pins instead of using adhesive.
  • an artificial turf includes a base cloth 1 made of synthetic fiber and synthetic fiber pile yarns 2 which are protruded up and extended from the base cloth 1 .
  • an artificial turf in which synthetic fiber pile yarns 2 are knitted or tufted on the woven or knitted base cloth 1 so that the bottom of synthetic fiber pile yarns 2 are fixed by the base cloth 1 and the top end portions of the synthetic pile yarn 2 are protruded up and extended from the base cloth 1 for forming synthetic grass as shown in FIG. 3 and FIG. 4 , has been widely used.
  • FIG. 3 is a photograph showing a back of a conventional artificial turf
  • FIG. 4 is a photograph showing a surface of the conventional artificial turf.
  • an artificial turf with artificial holes made for growth of natural grass in conjunction with the conventional artificial turf as shown in FIG. 3 and FIG. 4 is being used in part.
  • the conventional artificial turf has an advantage in that it can be used with synthetic grass and natural grass coexisting because holes are provided for vegetation of natural grass, it had problems that the process is complex because an extra punching process is required, and part of base cloth should be cut out to form holes for vegetation of natural grass after making the artificial turf, which results in an increase of the manufacturing cost due to a lot loss of material, and there is a difficulty in recycling the artificial turf because after use it is difficult to separate and remove the filler filled in under the synthetic grass from the remaining portion of the base cloth in which holes for vegetation of natural grass were not formed.
  • an object of the present invention to provide an artificial turf in which a plurality of void portions are naturally formed in the base cloth of the artificial turf to make it possible to use with natural grass and synthetic grass existing together, and after use the filler such as sand or rubber chips filled in under the artificial turf can easily be separated and removed to make recycling possible and can be easily fixed on the ground of a playing field with pins.
  • an artificial turf comprising: a base cloth made of synthetic fiber; and synthetic fiber pile yarns that are protruded up and extended from the base cloth, wherein the base cloth has a form that braids made of synthetic fiber are woven in a reticular structure.
  • the artificial turf has a plurality of void portions naturally formed in the base cloth having a reticular structure to make growth of natural grass possible, and because a filler such as rubber chips can easily be separated to make recycling easy and the artificial turf can be fixed on the ground of playing field with pins instead of adhesive, the environmental friendliness thereof is great.
  • FIG. 1 is a photograph showing a back of an artificial turf according to the present invention
  • FIG. 2 is a photograph showing a surface of the artificial turf according to the present invention.
  • FIG. 3 is a photograph showing a back of a conventional artificial turf.
  • FIG. 4 is a photograph showing a surface of the conventional artificial turf.
  • the artificial turf according to the present invention consists of a base cloth 1 made of synthetic fiber and synthetic fiber pile yarns 2 which are protruded up and extended from the base cloth 1 for forming synthetic grass.
  • FIG. 1 is a photograph showing a back of the artificial turf according to the present invention
  • FIG. 2 is a photograph showing a surface of the artificial turf according to the present invention.
  • the artificial turf according to the present invention is characterized in that the base cloth 1 composing it is of a form in which braids knitted with synthetic fibers are woven in a reticular structure and the synthetic pile yarns 2 are of a structure protruded up and extended from the base cloth 1 of a reticular structure.
  • the bottom end portions of the synthetic fiber pile yarns 2 are knitted together with the base cloth 1 and fixed by the base cloth 1 , and the top end portions of the synthetic fiber pile yarn 2 have a structure protruded up and extended from the base cloth 1 .
  • the void portions 3 are not shown well because they are covered by the synthetic fiber pile yarns 2 that are protruded up and extended from the base cloth 1 , but if brush aside the synthetic fiber pile yarns 2 the void portions 3 will be easily visible.
  • the present invention can allow for growth of natural grass through the void portions 3 , so it can be used also with synthetic grass and natural grass coexisting.
  • the present invention is not necessarily limited to use only with synthetic grass and natural grass coexisting, but can be used with synthetic grass only without the growth of natural grass.
  • the present invention makes it possible to more easily remove a filler such as sand or rubber chips filled in under the artificial turf after using the artificial turf due to void portions 3 formed naturally in the base cloth of the artificial turf, so it is easy to recycle the artificial turf.
  • the base cloth 1 composing the artificial turf is of a structure in which braids are woven in a reticular structure
  • the artificial turf can be fixed on the ground by mounting it on the ground of a playing field with pins attached to braids without using adhesive, the artificial turf paving process is environmentally friendly and simplified.
  • the base cloth 1 is coated with a resin layer of polyurethane, etc.
  • the artificial turf according to the present invention is manufactured by feeding yarns for making the base cloth and yarns for making pile yarns simultaneously into a Raschel knitting machine to knit with the former the base cloth 1 of a form with the braids woven in a reticular structure and knit with the latter the loop forms fixed by the base cloth 1 and then cutting the loops to make pile yarn 2 .

Abstract

The present invention relates to an artificial turf which comprises a base cloth made of synthetic fiber, and synthetic fiber pile yams that are protruded up and extended from the base cloth. The base cloth has a form that braids made of synthetic fiber are woven in a reticular structure. The bottom end portions of the synthetic fiber pile yarns are knitted together with the base cloth and are fixed by the base cloth, and the top end portions of the synthetic fiber pile yams are protruded up and extended from the base cloth. The artificial turf according to the present invention has a plurality of void portions naturally formed in the base cloth having a reticular structure to make growth of natural grass possible.

Description

    TECHNICAL FIELD
  • The present invention relates to an artificial turf paved instead of natural grass on a playing field, etc., and more specifically to an artificial turf in which a plurality of void portion are naturally formed to make partial growth of natural grass possible with synthetic grass, and a filler such as rubber chips or sand that were filled in under the synthetic grass can be easily separated to make recycling easy, and which can be easily fixed on the ground of a playing field with pins instead of using adhesive.
    • BACKGROUND ART
  • Usually, an artificial turf includes a base cloth 1 made of synthetic fiber and synthetic fiber pile yarns 2 which are protruded up and extended from the base cloth 1.
  • Conventionally, an artificial turf, in which synthetic fiber pile yarns 2 are knitted or tufted on the woven or knitted base cloth 1 so that the bottom of synthetic fiber pile yarns 2 are fixed by the base cloth 1 and the top end portions of the synthetic pile yarn 2 are protruded up and extended from the base cloth 1 for forming synthetic grass as shown in FIG. 3 and FIG. 4, has been widely used.
  • FIG. 3 is a photograph showing a back of a conventional artificial turf, and FIG. 4 is a photograph showing a surface of the conventional artificial turf.
  • In the case of the conventional artificial turf, because void portions were not formed in a base cloth 1 composing the artificial turf, natural grass could not grow in the gaps of synthetic grass, so it is impossible for natural grass and synthetic grass to coexist. And after use, there were many difficulties in recycling the artificial turf because it is difficult to separate and remove the filler such as sand and rubber chips filled in under the artificial turf.
  • Another problem with the conventional artificial turf is that since the conventional artificial turf should have its back fixed to the ground of playing field by using adhesive the work is cumbersome and not environmentally friendly.
  • As another conventional art, an artificial turf with artificial holes made for growth of natural grass in conjunction with the conventional artificial turf as shown in FIG. 3 and FIG. 4 is being used in part.
  • Although the conventional artificial turf has an advantage in that it can be used with synthetic grass and natural grass coexisting because holes are provided for vegetation of natural grass, it had problems that the process is complex because an extra punching process is required, and part of base cloth should be cut out to form holes for vegetation of natural grass after making the artificial turf, which results in an increase of the manufacturing cost due to a lot loss of material, and there is a difficulty in recycling the artificial turf because after use it is difficult to separate and remove the filler filled in under the synthetic grass from the remaining portion of the base cloth in which holes for vegetation of natural grass were not formed.
    • DISCLOSURE Technical Problem
  • Accordingly, it is an object of the present invention to provide an artificial turf in which a plurality of void portions are naturally formed in the base cloth of the artificial turf to make it possible to use with natural grass and synthetic grass existing together, and after use the filler such as sand or rubber chips filled in under the artificial turf can easily be separated and removed to make recycling possible and can be easily fixed on the ground of a playing field with pins.
    • Technical Solution
  • In order to accomplish the foregoing objects, according to an aspect of the present invention, there is provided an artificial turf comprising: a base cloth made of synthetic fiber; and synthetic fiber pile yarns that are protruded up and extended from the base cloth, wherein the base cloth has a form that braids made of synthetic fiber are woven in a reticular structure.
    • Advantageous Effects
  • According to the present invention, the artificial turf has a plurality of void portions naturally formed in the base cloth having a reticular structure to make growth of natural grass possible, and because a filler such as rubber chips can easily be separated to make recycling easy and the artificial turf can be fixed on the ground of playing field with pins instead of adhesive, the environmental friendliness thereof is great.
    • DESCRIPTION OF DRAWINGS
  • The above objects, features and advantages of the present invention will become more apparent to those skilled in the related art in conjunction with the accompanying drawings. In the drawings:
  • FIG. 1 is a photograph showing a back of an artificial turf according to the present invention;
  • FIG. 2 is a photograph showing a surface of the artificial turf according to the present invention;
  • FIG. 3 is a photograph showing a back of a conventional artificial turf; and
  • FIG. 4 is a photograph showing a surface of the conventional artificial turf.
    •  BEST MODE
  • Hereinafter, an artificial turf according to the present invention will be described in detail with reference to the attached drawings.
  • First, the artificial turf according to the present invention consists of a base cloth 1 made of synthetic fiber and synthetic fiber pile yarns 2 which are protruded up and extended from the base cloth 1 for forming synthetic grass.
  • FIG. 1 is a photograph showing a back of the artificial turf according to the present invention, and FIG. 2 is a photograph showing a surface of the artificial turf according to the present invention.
  • The artificial turf according to the present invention is characterized in that the base cloth 1 composing it is of a form in which braids knitted with synthetic fibers are woven in a reticular structure and the synthetic pile yarns 2 are of a structure protruded up and extended from the base cloth 1 of a reticular structure.
  • More specifically, the bottom end portions of the synthetic fiber pile yarns 2 are knitted together with the base cloth 1 and fixed by the base cloth 1, and the top end portions of the synthetic fiber pile yarn 2 have a structure protruded up and extended from the base cloth 1.
  • Due to this, a plurality of void portions 3 are naturally formed in the base cloth 1 of the reticular structure in the artificial turf according to the present invention.
  • In FIG. 1 and FIG. 2, the void portions 3 are not shown well because they are covered by the synthetic fiber pile yarns 2 that are protruded up and extended from the base cloth 1, but if brush aside the synthetic fiber pile yarns 2 the void portions 3 will be easily visible.
  • Due to that, the present invention can allow for growth of natural grass through the void portions 3, so it can be used also with synthetic grass and natural grass coexisting.
  • If natural grass grows in the void portions 3, it will pass through the void portions 3 in the base cloth 1 of the reticular structure to come up from gaps of synthetic fiber pile yarns 2.
  • But the present invention is not necessarily limited to use only with synthetic grass and natural grass coexisting, but can be used with synthetic grass only without the growth of natural grass.
  • If a user wants to prevent natural grass or weeds from growing into the void portions 3 in the base cloth of the artificial turf, it is also desirable to spread shading vinyl under the artificial turf.
  • Also, the present invention makes it possible to more easily remove a filler such as sand or rubber chips filled in under the artificial turf after using the artificial turf due to void portions 3 formed naturally in the base cloth of the artificial turf, so it is easy to recycle the artificial turf.
  • Also, since in the present invention the base cloth 1 composing the artificial turf is of a structure in which braids are woven in a reticular structure, the artificial turf can be fixed on the ground by mounting it on the ground of a playing field with pins attached to braids without using adhesive, the artificial turf paving process is environmentally friendly and simplified.
  • To further improve the adhesive strength of the base cloth 1 and synthetic fiber pile yarns 2, it is preferable that the base cloth 1 is coated with a resin layer of polyurethane, etc.
  • The artificial turf according to the present invention is manufactured by feeding yarns for making the base cloth and yarns for making pile yarns simultaneously into a Raschel knitting machine to knit with the former the base cloth 1 of a form with the braids woven in a reticular structure and knit with the latter the loop forms fixed by the base cloth 1 and then cutting the loops to make pile yarn 2.
    • DESCRIPTION OF REFERENCE NUMERALS IN DRAWINGS
    • 1: Base cloth of artificial turf
    • 2: Synthetic fiber pile yarn of artificial turf
    • 3: Void portion
  • Although the present invention has been described in connection with the exemplary embodiments illustrated in the drawings, it is only illustrative. It will be understood by those skilled in the art that various modifications and equivalents can be made to the present invention. Therefore, the true technical scope of the present invention should be defined by the appended claims.

Claims (3)

1. An artificial turf comprising:
a base cloth made of synthetic fiber; and
synthetic fiber pile yarns that are protruded up and extended from the base cloth,
wherein the base cloth has a form that braids made of synthetic fiber are woven in a reticular structure.
2. The artificial turf according to claim 1, wherein the bottom end portions of the synthetic fiber pile yarns are knitted together with the base cloth and are fixed by the base cloth, and the top end portions of the synthetic fiber pile yarns are protruded up and extended from the base cloth.
3. The artificial turf according to claim 1, wherein the base cloth made of the synthetic fiber is coated with a resin layer.
US13/281,216 2010-10-27 2011-10-25 Artificial turf Abandoned US20120107526A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US14/282,708 US20140250780A1 (en) 2010-10-27 2014-05-20 Removable support surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0105063 2010-10-27
KR1020100105063A KR101044653B1 (en) 2010-10-27 2010-10-27 Artificial turf

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/282,708 Continuation-In-Part US20140250780A1 (en) 2010-10-27 2014-05-20 Removable support surface

Publications (1)

Publication Number Publication Date
US20120107526A1 true US20120107526A1 (en) 2012-05-03

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ID=44406140

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US13/281,216 Abandoned US20120107526A1 (en) 2010-10-27 2011-10-25 Artificial turf

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KR (1) KR101044653B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017046648A1 (en) * 2015-09-18 2017-03-23 Stadia Turf Systems Pte Ltd Hybrid turf surface and support therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102268606B1 (en) * 2020-01-21 2021-06-24 (주)대원그린 The combined turf mat made of pe uni-material and construction method using the same

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801825A (en) * 1926-12-02 1931-04-21 Messrs Johs Girmes & Co Ag Manufacture of knitted warp plush
US4230752A (en) * 1979-04-26 1980-10-28 Brunswick Corporation Cigarette burn proof artificial grass
US4356220A (en) * 1979-04-26 1982-10-26 Brunswick Corporation Artificial turf-like product of thermoplastic polymers
US5373712A (en) * 1992-09-21 1994-12-20 Yoshida Kogyo K.K. Warp-knit cloth for surface fastener
JPH08228600A (en) * 1995-02-27 1996-09-10 Kyowa Total Works Kk Water-draining mat
US6029397A (en) * 1997-06-06 2000-02-29 Technology Licensing Corp. Stabilized natural turf for athletic field
JP2000080541A (en) * 1998-06-24 2000-03-21 Kuraray Co Ltd Raschel knitted fabric having loop pile
US6105400A (en) * 1998-11-17 2000-08-22 Yoon; Su-Gun Warp knitted cut pile fabric having opening pattern and superior elasticity
US20010033902A1 (en) * 2000-02-14 2001-10-25 Seaton Reed J. Artificial turf system
US20020132099A1 (en) * 2001-03-14 2002-09-19 Troy Squires Horizontally draining, pre-engineered synthetic turf field
US7117899B1 (en) * 2005-05-18 2006-10-10 Boon Do Kim Pile mesh fabric
JP2006340674A (en) * 2005-06-10 2006-12-21 Fukui Fibertech Co Ltd Animal-repellent net
US20070089465A1 (en) * 2003-09-10 2007-04-26 Masahiko Imaizumi Carpet having a raschel fabric to the back face
KR200437986Y1 (en) * 2007-01-03 2008-01-15 김춘덕 Artificial lawn mat for natural lawn vegetation
US20080277017A1 (en) * 2007-05-11 2008-11-13 Young Chul Kwon Degreasing Cloth
US20120189786A1 (en) * 2009-08-27 2012-07-26 Mar. Project S.R.L. Infill material for synthetic turfs and synthetic turfs so obtained

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JP3031868B2 (en) * 1996-10-14 2000-04-10 良市 松岡 Artificial grass
EP1378592A1 (en) * 2002-07-01 2004-01-07 Ten Cate Thiolon B.V. Artificial fibre as well as an artificial lawn for sports fields provided with such fibre
KR100683449B1 (en) * 2005-09-27 2007-02-20 코오롱 글로텍(주) Artificial turf for sound asorption and proof
JP2007154623A (en) 2005-12-08 2007-06-21 Toyoaki Aoki Artificial turf and method of suppressing high temperature rise of its surface temperature

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801825A (en) * 1926-12-02 1931-04-21 Messrs Johs Girmes & Co Ag Manufacture of knitted warp plush
US4230752A (en) * 1979-04-26 1980-10-28 Brunswick Corporation Cigarette burn proof artificial grass
US4356220A (en) * 1979-04-26 1982-10-26 Brunswick Corporation Artificial turf-like product of thermoplastic polymers
US5373712A (en) * 1992-09-21 1994-12-20 Yoshida Kogyo K.K. Warp-knit cloth for surface fastener
JPH08228600A (en) * 1995-02-27 1996-09-10 Kyowa Total Works Kk Water-draining mat
US6029397A (en) * 1997-06-06 2000-02-29 Technology Licensing Corp. Stabilized natural turf for athletic field
US6247267B1 (en) * 1997-06-06 2001-06-19 Technology Licensing Corp Method for stabilizing natural turf with dual primary stabilizer
JP2000080541A (en) * 1998-06-24 2000-03-21 Kuraray Co Ltd Raschel knitted fabric having loop pile
US6105400A (en) * 1998-11-17 2000-08-22 Yoon; Su-Gun Warp knitted cut pile fabric having opening pattern and superior elasticity
US6491991B2 (en) * 2000-02-14 2002-12-10 Southwest Recreational Industries, Inc. Artificial turf system
US20010033902A1 (en) * 2000-02-14 2001-10-25 Seaton Reed J. Artificial turf system
US20020132099A1 (en) * 2001-03-14 2002-09-19 Troy Squires Horizontally draining, pre-engineered synthetic turf field
US20070089465A1 (en) * 2003-09-10 2007-04-26 Masahiko Imaizumi Carpet having a raschel fabric to the back face
US20110225782A1 (en) * 2003-09-10 2011-09-22 Fukui Fibertech Co., Ltd. Carpet having a raschel fabric on the back face
US8407869B2 (en) * 2003-09-10 2013-04-02 Fukui Fibertech Co., Ltd. Carpet having a raschel fabric on the back face
US7117899B1 (en) * 2005-05-18 2006-10-10 Boon Do Kim Pile mesh fabric
JP2006340674A (en) * 2005-06-10 2006-12-21 Fukui Fibertech Co Ltd Animal-repellent net
KR200437986Y1 (en) * 2007-01-03 2008-01-15 김춘덕 Artificial lawn mat for natural lawn vegetation
US20080277017A1 (en) * 2007-05-11 2008-11-13 Young Chul Kwon Degreasing Cloth
US20120189786A1 (en) * 2009-08-27 2012-07-26 Mar. Project S.R.L. Infill material for synthetic turfs and synthetic turfs so obtained

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017046648A1 (en) * 2015-09-18 2017-03-23 Stadia Turf Systems Pte Ltd Hybrid turf surface and support therefor
GB2554106A (en) * 2015-09-18 2018-03-28 Stadia Turf Tech Pte Ltd Hybrid turf surface and support therefor
GB2554106B (en) * 2015-09-18 2021-05-26 Stadia Turf Tech Pte Ltd Hybrid turf surface and support therefor
US11840809B2 (en) 2015-09-18 2023-12-12 STADIA Turf Systems Pte. Ltd. Hybrid turf surface and support therefor

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Owner name: LEESHIN CORPORATION, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEE, HYO-SANG;REEL/FRAME:027122/0405

Effective date: 20111018

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Owner name: LEESHIN CORPORATION, KOREA, REPUBLIC OF

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Owner name: EZ HYBRID TURF INC., NEW JERSEY

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