ES2327502T5 - Tablas para suelos - Google Patents

Tablas para suelos Download PDF

Info

Publication number
ES2327502T5
ES2327502T5 ES03008103T ES03008103T ES2327502T5 ES 2327502 T5 ES2327502 T5 ES 2327502T5 ES 03008103 T ES03008103 T ES 03008103T ES 03008103 T ES03008103 T ES 03008103T ES 2327502 T5 ES2327502 T5 ES 2327502T5
Authority
ES
Spain
Prior art keywords
tongue
groove
profile
floor
elements
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.)
Expired - Lifetime
Application number
ES03008103T
Other languages
English (en)
Spanish (es)
Other versions
ES2327502T3 (es
Inventor
Heinz Kiefel
Franz Schrattenecker
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.)
TILO GmbH
Original Assignee
TILO GmbH
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=27816170&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2327502(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by TILO GmbH filed Critical TILO GmbH
Publication of ES2327502T3 publication Critical patent/ES2327502T3/es
Application granted granted Critical
Publication of ES2327502T5 publication Critical patent/ES2327502T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
    • E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
    • E04F2201/0146—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane with snap action of the edge connectors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00—Joining sheets or plates or panels
    • E04F2201/04—Other details of tongues or grooves
    • E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Centrifugal Separators (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
ES03008103T 2002-04-05 2003-04-07 Tablas para suelos Expired - Lifetime ES2327502T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10215139 2002-04-05
DE10215139 2002-04-05

Publications (2)

Publication Number Publication Date
ES2327502T3 ES2327502T3 (es) 2009-10-30
ES2327502T5 true ES2327502T5 (es) 2013-03-14

Family

ID=27816170

Family Applications (1)

Application Number Title Priority Date Filing Date
ES03008103T Expired - Lifetime ES2327502T5 (es) 2002-04-05 2003-04-07 Tablas para suelos

Country Status (4)

Country Link
EP (1) EP1350904B2 (fr)
AT (1) ATE434095T1 (fr)
DE (1) DE50311595D1 (fr)
ES (1) ES2327502T5 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9803374B2 (en) 2014-12-22 2017-10-31 Ceraloc Innovation Ab Mechanical locking system for floor panels
US9951526B2 (en) 2012-04-04 2018-04-24 Valinge Innovation Ab Mechanical locking system for building panels
US10526793B2 (en) 2009-09-04 2020-01-07 Valinge Innovation Ab Resilient floor
US10538922B2 (en) 2015-01-16 2020-01-21 Ceraloc Innovation Ab Mechanical locking system for floor panels

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514645C2 (sv) 1998-10-06 2001-03-26 Perstorp Flooring Ab Golvbeläggningsmaterial innefattande skivformiga golvelement avsedda att sammanfogas av separata sammanfogningsprofiler
SE518184C2 (sv) 2000-03-31 2002-09-03 Perstorp Flooring Ab Golvbeläggningsmaterial innefattande skivformiga golvelement vilka sammanfogas med hjälp av sammankopplingsorgan
BRPI0308966B8 (pt) 2002-04-03 2016-05-17 Vaelinge Innovation Ab tábua de assoalho
PL1650375T5 (pl) 2004-10-22 2011-05-31 Vaelinge Innovation Ab Zespół paneli podłogowych
US7454875B2 (en) 2004-10-22 2008-11-25 Valinge Aluminium Ab Mechanical locking system for floor panels
US7841144B2 (en) 2005-03-30 2010-11-30 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US8061104B2 (en) 2005-05-20 2011-11-22 Valinge Innovation Ab Mechanical locking system for floor panels
US20060260253A1 (en) * 2005-05-23 2006-11-23 Quality Craft Ltd. Laminate flooring panel bevel and method of manufacturing same
DE102005028072B4 (de) 2005-06-16 2010-12-30 Akzenta Paneele + Profile Gmbh Fußbodenpaneel
DE102005059540A1 (de) * 2005-08-19 2007-06-14 Bauer, Jörg R. Lösbar aneinander zu befestigende, flächige Bauteile, sowie Bauteil
DK2009197T3 (en) 2006-04-14 2016-06-13 Yekalon Ind Inc Floor block, floor system and laying method therefore
CN101845879B (zh) * 2006-04-14 2014-04-09 深圳市燕加隆实业发展有限公司 地板块、地板系统及铺设地板系统的方法
BE1017157A3 (nl) 2006-06-02 2008-03-04 Flooring Ind Ltd Vloerbekleding, vloerelement en werkwijze voor het vervaardigen van vloerelementen.
SE533410C2 (sv) 2006-07-11 2010-09-14 Vaelinge Innovation Ab Golvpaneler med mekaniska låssystem med en flexibel och förskjutbar tunga samt tunga därför
US7861482B2 (en) 2006-07-14 2011-01-04 Valinge Innovation Ab Locking system comprising a combination lock for panels
US11725394B2 (en) 2006-11-15 2023-08-15 Välinge Innovation AB Mechanical locking of floor panels with vertical folding
KR101468444B1 (ko) * 2006-11-15 2014-12-03 뵈린게 이노베이션 에이비이 수직 폴딩을 구비하는 마루 패널들의 기계적인 잠금
US8689512B2 (en) 2006-11-15 2014-04-08 Valinge Innovation Ab Mechanical locking of floor panels with vertical folding
SE531111C2 (sv) 2006-12-08 2008-12-23 Vaelinge Innovation Ab Mekanisk låsning av golvpaneler
DE102007019786B4 (de) * 2006-12-22 2013-05-08 Hamberger Industriewerke Gmbh Verbindung für plattenförmige Bauelemente
DE202007019001U1 (de) 2007-02-21 2010-03-25 Hamberger Industriewerke Gmbh Verbindung für plattenförmige Bauelemente
CN100575640C (zh) * 2007-03-13 2009-12-30 滁州扬子木业有限公司 木地板及其制造方法、安装方法
DE202007018662U1 (de) * 2007-03-26 2009-02-19 Kronotec Ag Paneel, insbesondere Bodenpaneel
DE102007015907B4 (de) 2007-04-02 2011-08-25 Flooring Technologies Ltd. System zur Verbindung und Verriegelung zweier Bauplatten, insbesondere Fußbodenpaneele, und Bauplatte, insbesondere Fußbodenpaneel
DE102007017087B4 (de) * 2007-04-10 2009-06-25 Kronotec Ag Paneel, insbesondere Bodenpaneel
US8353140B2 (en) 2007-11-07 2013-01-15 Valinge Innovation Ab Mechanical locking of floor panels with vertical snap folding
WO2009061279A1 (fr) 2007-11-07 2009-05-14 Välinge Innovation AB Blocage mécanique de panneaux de sol avec encliquetage sur pliure verticale et procédé d'installation pour relier ces panneaux
BE1018600A5 (nl) 2007-11-23 2011-04-05 Flooring Ind Ltd Sarl Vloerpaneel.
DE102007062430B3 (de) * 2007-12-20 2009-07-02 Flooring Technologies Ltd. Verfahren zum spanabhebenden Bearbeiten einer Seitenkante eines Paneels und Vorrichtung zum Durchführen des Verfahrens
WO2009116926A1 (fr) 2008-01-31 2009-09-24 Välinge Innovation Belgium BVBA Blocage mécanique de panneaux de sol, procédés d'installation et de désinstallation des panneaux, procédé et équipement pour produire le système de blocage, procédé pour relier une languette déplaçable à un panneau et ébauche de languette
DE102008021970B4 (de) * 2008-05-02 2016-03-24 Laminatepark Gmbh & Co. Kg Paneel mit vereinfachtem Rastelement
CN102066674B (zh) 2008-05-15 2015-06-03 瓦林格创新股份有限公司 具有通过磁场启动的机械锁定系统的地板镶板及安装镶板的方法
DE102008031167B4 (de) * 2008-07-03 2015-07-09 Flooring Technologies Ltd. Verfahren zum Verbinden und Verriegeln leimlos zu verlegender Fußbodenpaneele
BE1018627A5 (nl) 2009-01-16 2011-05-03 Flooring Ind Ltd Sarl Vloerpaneel.
SG172871A1 (en) 2009-01-30 2011-08-29 Vaelinge Innovation Belgium Bvba Mechanical lockings of floor panels and a tongue blank
BE1018802A3 (nl) * 2009-06-29 2011-09-06 Flooring Ind Ltd Sarl Paneel, meer speciaal vloerpaneel.
CA2770470C (fr) 2009-09-04 2018-04-03 Vaelinge Innovation Ab Procede d'assemblage de lames a parquet souples qui sont equipees d'un systeme de verrouillage mecanique
US11725395B2 (en) 2009-09-04 2023-08-15 Välinge Innovation AB Resilient floor
DE102009041297B4 (de) 2009-09-15 2018-10-11 Guido Schulte Belag aus mechanisch miteinander verbindbaren Elementen und ein Verfahren zur Herstellung von Elementen
DE102009048050B3 (de) 2009-10-02 2011-01-20 Guido Schulte Belag aus mechanischen miteinander verbindbaren Elementen
CN102803625B (zh) 2010-01-11 2014-12-31 韦林奇创新公司 具有互锁设计的地板覆盖物
CN102695838B (zh) 2010-01-12 2016-01-20 瓦林格创新股份有限公司 地板镶板的机械锁定系统
RU2548251C2 (ru) 2010-01-14 2015-04-20 Спанолюкс Н.В.-Див. Бальтерио Блок напольных панелей и использующаяся в нем напольная панель
DE102010004717A1 (de) 2010-01-15 2011-07-21 Pergo (Europe) Ab Set aus Paneelen umfassend Halteprofile mit einem separaten Clip sowie Verfahren zum Einbringen des Clips
BR112012018285B1 (pt) 2010-02-04 2020-02-18 Välinge Innovation AB Conjunto de painéis de piso
BR112012025923B1 (pt) 2010-04-15 2019-08-27 Spanolux N V Div Balterio montagem do painel de piso, painel de piso e elemento de trava
EP2569493A1 (fr) 2010-05-10 2013-03-20 Pergo (Europe) AB Ensemble de panneaux
PL2588685T3 (pl) * 2010-06-30 2021-01-25 Kreafin Group Sa Panel z ulepszonymi środkami sprzęgającymi
DE202010017748U1 (de) 2010-09-15 2012-07-10 Guido Schulte Belag aus mechanisch miteinander verbindbaren Elementen
CN103547749B (zh) * 2011-03-18 2016-09-28 爱诺泰克国际私人有限公司 纵向连接系统及相关面覆盖系统
US8806832B2 (en) 2011-03-18 2014-08-19 Inotec Global Limited Vertical joint system and associated surface covering system
WO2012136021A1 (fr) * 2011-04-03 2012-10-11 Ge Yuejin Plaque de plancher à verrouillage en poly(chlorure de vinyle)
UA109938C2 (uk) 2011-05-06 2015-10-26 Механічна фіксуюча система для будівельних панелей
CN102296779B (zh) * 2011-05-25 2015-04-15 宣建民 锁扣
DE102011104718B4 (de) * 2011-06-06 2016-08-04 Fritz Egger Gmbh & Co. Og Fußbodenpaneel mit einer einen Sperrriegel afweisenden Seitenkante
CN102383565A (zh) * 2011-06-30 2012-03-21 宣建民 锁扣
CN102383566B (zh) * 2011-06-30 2016-06-22 宣建民 地板锁扣结构
UA114715C2 (uk) 2011-07-05 2017-07-25 Сералок Інновейшн Аб Механічна фіксація панелей настилу підлоги до язичка з нанесеним шаром клею
US9725912B2 (en) 2011-07-11 2017-08-08 Ceraloc Innovation Ab Mechanical locking system for floor panels
US8650826B2 (en) 2011-07-19 2014-02-18 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8763340B2 (en) 2011-08-15 2014-07-01 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8769905B2 (en) 2011-08-15 2014-07-08 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8857126B2 (en) 2011-08-15 2014-10-14 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US9314936B2 (en) 2011-08-29 2016-04-19 Valinge Flooring Technology Ab Mechanical locking system for floor panels
BE1020433A3 (nl) 2012-01-05 2013-10-01 Flooring Ind Ltd Sarl Paneel.
WO2013102804A2 (fr) 2012-01-05 2013-07-11 Flooring Industries Limited, Sarl Panneau
CN104204379B (zh) * 2012-04-04 2016-10-19 瓦林格创新股份有限公司 具有机械锁定系统的建筑镶板
US8596013B2 (en) 2012-04-04 2013-12-03 Valinge Innovation Ab Building panel with a mechanical locking system
EP2855795B1 (fr) * 2012-04-04 2017-06-28 Välinge Innovation AB Procédé pour fabriquer un système de verrouillage mécanique pour des panneaux de construction
AU2013245653B2 (en) * 2012-04-13 2016-02-11 Armstrong World Industries, Inc. Floating floor system, floor panel, and installation method for the same
EP2895667B1 (fr) 2012-08-27 2019-12-04 Pergo (Europe) AB Panneau
JP6313778B2 (ja) 2012-11-22 2018-04-18 セラロック、イノベーション、アクチボラグ フロアパネルの機械的固定システム
DE102013101756A1 (de) 2012-11-30 2014-06-05 Hamberger Industriewerke Gmbh Verbindung und Verriegelungselement
DE102013100345B4 (de) * 2013-01-14 2023-07-06 Guido Schulte Belag aus mechanisch miteinander verbindbaren Elementen
BR112015024059B1 (pt) 2013-03-25 2021-09-21 Välinge Innovation AB Tábuas de piso providas com um sistema de travamento mecânico e um método para a produção de um sistema de travamento como esse
CZ2013364A3 (cs) 2013-05-20 2014-12-03 Radovan VojtasĂ­k Montovaná podlaha a způsob její výroby
CZ25977U1 (cs) 2013-05-20 2013-10-17 Vojtasík@Radovan Montovaná podlaha
BE1021833B1 (nl) 2013-05-30 2016-01-21 Flooring Industries Limited Sarl Paneel
CA2913392C (fr) 2013-06-27 2022-01-18 Valinge Innovation Ab Panneau de construction dote d'un systeme de verrouillage mecanique
DE102013108539A1 (de) 2013-08-07 2015-02-12 Hamberger Industriewerke Gmbh Verbindung und Verriegelungselement
DE102013108538A1 (de) 2013-08-07 2015-02-12 Hamberger Industriewerke Gmbh Verbindung und Verriegelungselement
DE102014103174A1 (de) 2014-03-10 2015-09-10 Guido Schulte Verfahren zur Herstellung von mechanisch zu einem Oberflächenbelag miteinander verbindbaren Elementen sowie Oberflächenbelag
US9458634B2 (en) 2014-05-14 2016-10-04 Valinge Innovation Ab Building panel with a mechanical locking system
US10246883B2 (en) 2014-05-14 2019-04-02 Valinge Innovation Ab Building panel with a mechanical locking system
DE102015106035A1 (de) 2014-07-31 2016-02-04 Hamberger Industriewerke Gmbh Verbindung für plattenförmige Bauelemente und Feder
FR3024990B1 (fr) 2014-08-25 2018-11-16 Gerflor Panneau de sol pour la realisation d'un revetement.
CA2996422C (fr) 2014-08-29 2023-05-02 Inotec Global Ltd Systeme de joint vertical pour un panneau de recouvrement de surface
EP3868978B1 (fr) 2014-11-27 2025-05-21 Välinge Innovation AB Jeu de panneaux de plancher identiques avec système de verrouillage mécanique
CA3008157C (fr) 2015-12-17 2023-08-22 Valinge Innovation Ab Procede de production d'un systeme de verrouillage mecanique destine a des panneaux
US10287777B2 (en) 2016-09-30 2019-05-14 Valinge Innovation Ab Set of panels
PT3737802T (pt) 2018-01-09 2023-07-19 Vaelinge Innovation Ab Conjunto de painéis
SE542114C2 (en) * 2018-01-27 2020-02-25 Ipendor Ab Joining system for floor panels
FR3089534B1 (fr) 2018-12-07 2023-03-03 Gerflor Panneau a assemblage vertical pour la realisation d’un revêtement
CA3125895A1 (fr) 2019-01-10 2020-07-16 Valinge Innovation Ab Ensemble de panneaux pouvant etre deverrouilles verticalement, procede et dispositif associes
BE1026833B1 (nl) 2020-04-21 2021-07-02 Flooring Ind Ltd Sarl Paneel
CN111779223B (zh) * 2020-08-05 2026-04-10 上海兴邺材料科技有限公司 地板系统和竖直拆装式地板扣
CN111779216B (zh) * 2020-08-05 2026-04-10 上海兴邺材料科技有限公司 一种地板系统和竖直拆装式地板扣
CN111779220B (zh) * 2020-08-05 2026-04-10 上海兴邺材料科技有限公司 一种地板系统和竖直拆装型地板扣
CN111779217B (zh) * 2020-08-05 2026-04-10 上海兴邺材料科技有限公司 地板系统和竖直拆装型地板扣
CN113134889B (zh) * 2021-03-04 2025-09-05 象乐宝(福建)新材料科技有限公司 一种防火木地板环保制备系统及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH345451A (it) * 1956-06-27 1960-03-31 Piodi Roberto Pavimento in gomma o simile materiale
SE0002342L (sv) * 2000-06-22 2001-07-16 Tarkett Sommer Ab Golvbräda med kopplingsorgan
SE515789C2 (sv) * 1999-02-10 2001-10-08 Perstorp Flooring Ab Golvbeläggningsmaterial innefattande golvelement vilka är avsedda att sammanfogas vertikalt
DE10001076C1 (de) * 2000-01-13 2001-10-04 Huelsta Werke Huels Kg Paneelelement
FR2808826B1 (fr) † 2000-05-15 2003-08-15 Europ De Laquage Et De Faconna Dispositif d'assemblage des bords longitudinaux de panneaux, lattes ou lambris, a repartition de forces
DE20008708U1 (de) * 2000-05-16 2000-09-14 Kronospan Technical Co. Ltd., Nikosia Paneele mit Kupplungsmitteln
DE20112474U1 (de) * 2001-07-28 2002-12-19 M. Kaindl, Wals Paneel, beispielsweise für Fußboden-, Wand- und/oder Deckenverkleidungen
DE10138285A1 (de) * 2001-08-10 2003-03-06 Akzenta Paneele & Profile Gmbh Paneel sowie Befestigungssystem für Paneele
DE20203311U1 (de) † 2002-03-01 2002-05-08 hülsta-werke Hüls GmbH & Co. KG, 48703 Stadtlohn Paneelelement
DE10231921A1 (de) * 2002-06-28 2004-01-22 E.F.P. Floor Products Fussböden GmbH Paneel eines Fußbodensystems, insbesondere eines Laminatfußbodens

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10526793B2 (en) 2009-09-04 2020-01-07 Valinge Innovation Ab Resilient floor
US9951526B2 (en) 2012-04-04 2018-04-24 Valinge Innovation Ab Mechanical locking system for building panels
US9803374B2 (en) 2014-12-22 2017-10-31 Ceraloc Innovation Ab Mechanical locking system for floor panels
US10161139B2 (en) 2014-12-22 2018-12-25 Ceraloc Innovation Ab Mechanical locking system for floor panels
US10538922B2 (en) 2015-01-16 2020-01-21 Ceraloc Innovation Ab Mechanical locking system for floor panels

Also Published As

Publication number Publication date
EP1350904A2 (fr) 2003-10-08
EP1350904B1 (fr) 2009-06-17
DE50311595D1 (de) 2009-07-30
ES2327502T3 (es) 2009-10-30
EP1350904B2 (fr) 2012-10-24
ATE434095T1 (de) 2009-07-15
EP1350904A3 (fr) 2003-12-17

Similar Documents

Publication Publication Date Title
ES2327502T3 (es) Tablas para suelos.
US12312816B2 (en) Building panel with a mechanical locking system
RU2549629C2 (ru) Система механической фиксации панелей для пола
ES3048759T3 (en) Floor panel for forming a floor covering
AU2000269903B2 (en) Mechanical connection of panels
ES2255642T3 (es) Panel, especialmente panel de suelo.
ES2392634T3 (es) Sistema de rieles perfilados
DK2901889T3 (en) Furniture
KR102083655B1 (ko) 바닥 패널용 기계식 로킹 시스템
BE1017403A5 (nl) Vloerelement, vergrendelingsysteem voor vloerelementen, vloerbekleding en werkwijze voor het samenstellen van dergelijke vloerelementen tot een vloerbekleding.
ES2367634T3 (es) Placas con perfil de unión insertable.
ES2659115T3 (es) Sistema de acoplamiento mecánico para paneles de suelo
ES3053422T3 (en) Floor panel for forming a floor covering
US11828072B2 (en) Panel with vertical assembly for producing a covering
CN102917616A (zh) 组合元件和与之一起应用的转角连接
US20210381256A1 (en) Panel for producing a free-lying floor covering
JP7589165B2 (ja) 結合要素と第１建築要素と建築パネルとを備えるセット、および前記セットを組み立てる方法
EP4532860A1 (fr) Pinces à épaisseurs multiples
PT1683929E (pt) Método para a produção de um painel, em particular um painel de piso, e um painel, em particular um painel de piso
ES2973821T3 (es) Panel, en particular, panel de suelo, con función de estanqueización
ES2305633T3 (es) Elemento para un revestimiento de suelo con una capa central fina.
KR102180904B1 (ko) 바닥 패널용 기계식 로킹 시스템
KR20260046416A (ko) 타일 패널 세트, 타일 패널, 타일 패널 커버링, 및 설치 방법
ITMI20110382U1 (it) Elemento composto e raccordo angolare applicato con lo stesso