[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-325782-105":59,"doc-detail-325782-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","norwegian-patent-office-patent-no133412-water-permeable-artificial-turf-for-sports-arenas","NORWEGIAN PATENT OFFICE - PATENT NO.133412 - Water permeable, artificial turf for sports arenas","","NORWEGIAN PATENT OFFICE PATENT NO.133412 discloses a water permeable artificial turf for sports arenas. The turf includes a textile support layer fixed to an underlayer with openings, a nap that forms a grass mat, and a bottom with layered projections. Compared with prior artificial turfs that rely mainly on backcoated projections and limited openings, the invention improves both water permeability and anchoring of the nap under high stress, enabling water on the surface to pass quickly through the covering.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/norwegian-patent-office-patent-no133412-water-permeable-artificial-turf-for-sports-arenas/325782/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/norwegian-patent-office-patent-no133412-water-permeable-artificial-turf-for-sports-arenas/325782.png","ImageObject",300,407,{"name":92,"@type":93},"Rowan","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-09-21",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the core invention disclosed in Patent No.133412?","Question",{"text":112,"@type":113},"A water permeable artificial turf for sports arenas using a textile support layer with openings, a nap forming a grass mat, and a bottom with layered projections that reinforce bonding and anchoring.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What problem with earlier artificial turfs does the patent address?",{"text":117,"@type":113},"Earlier turfs provide limited water permeability because the openings in the textile support layer are small, and they do not adequately meet anchoring requirements for the nap under sports use.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the invention improve nap anchoring and water permeability?",{"text":121,"@type":113},"The openings are sized to allow good water permeability, while the projections are formed during bonding so the bond between the nap and the textile support layer is reinforced, achieving both permeability and anchoring.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},325782,1790866868,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145},1099514067415,"https://ap-avatar.wpscdn.com/avatar/100002539d78ffe74a7?x-image-process=image/resize,m_fixed,w_180,h_180&k=1779092875211072502","CcFriedrich,Hans-Joachim.  \nWater permeable,artificial turf,especiallyfor sports arenas.ll p.  \nPatent(Norwegian)No.133412(1976).Filed:TRANSLATION NO.4637.  \nwegian Patent No.133412  \newcastle-on-Tyne,England  \n| anslated from Norwegian by    | the Ralph McE1roy    | Co.,   | Custom   |  Division   |\n| --- | --- | --- | --- | --- |\n| O.  Box 4828,Austin,Texa   | s 78765 USA   |  |  |  |\n\n# NORWEGIAN PATENT OFFICEPATENT NO.133412\n\nInt.c1.2:  \nApplication No.:  \nFiled:  \nOpen to Public Inspection:  \nPublished:  \nPriority:  \nApplicant:  \nInventor:  \nRepresentative:  \nCode:360-4856  \nD 04 H 11/00D 04 B 21/02B 32 B 5/02E 01 C 13/00  \n3813/71  \nOctober 15,1971  \nApril 18,1972  \nJanuary 19,1976  \nOctober 17,1970  \nFederal Republic of GermanyNo.P 2051103  \nADOLFF AKTIENGESELLSCHAFT,J.F.Eugen-Adolff-Strasse  \nD-715 Backnang,Baden-Wurtt,West Germany  \nHans-Joachim FriedrichBacknang,West Germany  \nTandbergs Patent Office A.S.Oslo  \nCited Publications:  \nWATER PERMEABLE,ARTIFICIAL TURE,ESPECIALLY FOR SPORTS ARENAS  \nThe present invention concerns a water permeable,artificialturf,especially for sports arenas,with a textile support layerfixed to an underlayer that has openings,a nap that forms agrass mat and a bottom with layered projections.  \nA textile floor covering is known from US Patent 2,434,709which corresponds to the characteristics of the above citedartificial turf.In the known artificial turfs only the  \nprojections are provided with a so-called backcoating(Figure 1in US Patent 2,434,709).The projections located on the bottomoE the textile support layer are formed merely by the textilesuoport layer itself without cooperation of the nap.The nap inthe support layer is therefore held in the backcoating.Theopenings in the textile support layer are also fairly small sothat the water permeability is limited.However,it is preciselyin a sports arena that uses artificial turf that the nap formingthe grass mat is subject to high stresses so that high  \nPage 2  \nBritish Patent No.1074741D 03 d;  \nWest German Patent No.472577,77a-19/02;No.914244,8h-8;West German OffenlegungsschriftNo.1534273,19c-5/00;No.1534384,19c-13/00;US Patents No.2070335,2312200,2434709,161-66,  \n3227574117-45,3332828161-21;Austrian Patent No.302232,8b-62/04  \nDigitized by the Internet Archivein 2016  \nhttps://archive.org/details/waterpermeablearOOfrie  \nPage 3  \nrequirements are placed on its anchoring in the support layer.In addition,water present on the top of the covering must beable to pass quickly through the covering.The known artificialturfs therefore do not meet the requirements imposed on  \nartificial turfs,especially in sports arenas with respect tostrength and water permeability.  \nThe task that forms the basis of the present invention is toimprove artifical turf with respect to water permeability andanchoring of the nap in the textile support layer.  This task issolved according to the invention in that the openings in termsof size offer good water permeability and the projections areformed during bonding of the nap and layering of the projectionsis created as a reinforcement of the bond between the nap and thetextile support layer.  With such an artifical turf excellentpermeability is achieved with simultaneous anchoring of the nap.  \nIn a preferred version of the artificial turf according tothe invention the textile support layer has two fiber systemsthat bond the nap and to produce the openings one fiber system isof much thinner threads than the other fiber system and nap.  Inthis manner the nap can be fixed by relatively simple bonding inthe textile support material even if the latter has relativelylarge openings.  This principle can also be used on essentiallyall types of textile support layers,for example,also on a wovenfabric.When thceads oE difEerent thickness are used,it is easyto form an embossed projection on the bottom of the textile  \nsupport layer at the sites where the nap is bonded,since this isalso formed of a relatively thick thread.This i","cbCaiuLKoz5jv4zS","https://ap.wps.com/l/cbCaiuLKoz5jv4zS","pdf",1198136,42,"English","# Description\n## Water permeable artificial turf for sports arenas\n## Problem with prior art\n## Technical task and solution\n## Preferred textile support layer configurations","[{\"question\":\"What is the core invention disclosed in Patent No.133412?\",\"answer\":\"A water permeable artificial turf for sports arenas using a textile support layer with openings, a nap forming a grass mat, and a bottom with layered projections that reinforce bonding and anchoring.\"},{\"question\":\"What problem with earlier artificial turfs does the patent address?\",\"answer\":\"Earlier turfs provide limited water permeability because the openings in the textile support layer are small, and they do not adequately meet anchoring requirements for the nap under sports use.\"},{\"question\":\"How does the invention improve nap anchoring and water permeability?\",\"answer\":\"The openings are sized to allow good water permeability, while the projections are formed during bonding so the bond between the nap and the textile support layer is reinforced, achieving both permeability and anchoring.\"}]","NORWEGIAN PATENT OFFICE - PATENT NO.133412 - Water permeable, artificial turf for sports arenas | PDF",1789971405,106]