[go: up one dir, main page]

FR2831479B1 - Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede - Google Patents

Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede

Info

Publication number
FR2831479B1
FR2831479B1 FR0113917A FR0113917A FR2831479B1 FR 2831479 B1 FR2831479 B1 FR 2831479B1 FR 0113917 A FR0113917 A FR 0113917A FR 0113917 A FR0113917 A FR 0113917A FR 2831479 B1 FR2831479 B1 FR 2831479B1
Authority
FR
France
Prior art keywords
carrying
machine
specific surface
fiber reinforced
synthetic resins
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 - Fee Related
Application number
FR0113917A
Other languages
English (en)
Other versions
FR2831479A1 (fr
Inventor
Alexandre Hamlyn
Yvan Hardy
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.)
Coriolis Composites SAS
Original Assignee
Coriolis Composites SAS
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 Coriolis Composites SAS filed Critical Coriolis Composites SAS
Priority to FR0113917A priority Critical patent/FR2831479B1/fr
Priority to PCT/FR2002/003662 priority patent/WO2003035380A1/fr
Publication of FR2831479A1 publication Critical patent/FR2831479A1/fr
Application granted granted Critical
Publication of FR2831479B1 publication Critical patent/FR2831479B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
    • B29C70/382—Automated fiber placement [AFP]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
    • B29C53/66—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis with axially movable winding feed member, e.g. lathe type winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • B29C53/821—Mandrels especially adapted for winding and joining
    • B29C53/828—Arrangements comprising a plurality of cores or mandrels, e.g. to increase production speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
    • B29C66/7316—Surface properties
    • B29C66/73161—Roughness or rugosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
    • B29L2031/082—Blades, e.g. for helicopters
    • B29L2031/085—Wind turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3076—Aircrafts
    • B29L2031/3085—Wings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Robotics (AREA)
  • Moulding By Coating Moulds (AREA)
FR0113917A 2001-10-26 2001-10-26 Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede Expired - Fee Related FR2831479B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0113917A FR2831479B1 (fr) 2001-10-26 2001-10-26 Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede
PCT/FR2002/003662 WO2003035380A1 (fr) 2001-10-26 2002-10-24 Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0113917A FR2831479B1 (fr) 2001-10-26 2001-10-26 Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede

Publications (2)

Publication Number Publication Date
FR2831479A1 FR2831479A1 (fr) 2003-05-02
FR2831479B1 true FR2831479B1 (fr) 2004-01-02

Family

ID=8868796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0113917A Expired - Fee Related FR2831479B1 (fr) 2001-10-26 2001-10-26 Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede

Country Status (2)

Country Link
FR (1) FR2831479B1 (fr)
WO (1) WO2003035380A1 (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7282107B2 (en) 2003-08-22 2007-10-16 The Boeing Company Multiple head automated composite laminating machine for the fabrication of large barrel section components
US7048024B2 (en) * 2003-08-22 2006-05-23 The Boeing Company Unidirectional, multi-head fiber placement
US7527222B2 (en) 2004-04-06 2009-05-05 The Boeing Company Composite barrel sections for aircraft fuselages and other structures, and methods and systems for manufacturing such barrel sections
WO2005105641A2 (fr) * 2004-04-21 2005-11-10 Ingersoll Machine Tools, Inc. Placement automatise des fibres a l'aide de plusieurs tetes de placement, cantres interchangeables et tetes de placement interchangeables
JP4235142B2 (ja) * 2004-04-30 2009-03-11 トヨタ自動車株式会社 フィラメントワインディング装置
US7325771B2 (en) 2004-09-23 2008-02-05 The Boeing Company Splice joints for composite aircraft fuselages and other structures
US7503368B2 (en) 2004-11-24 2009-03-17 The Boeing Company Composite sections for aircraft fuselages and other structures, and methods and systems for manufacturing such sections
CN100385113C (zh) * 2005-01-21 2008-04-30 同济大学 大型复合材料风力机叶片及其制备方法
FR2912680B1 (fr) 2007-02-21 2009-04-24 Coriolis Composites Sa Procede et dispositif de fabrication de pieces en materiau composite, en particulier de troncons de fuselage d'avion
FR2912953B1 (fr) 2007-02-28 2009-04-17 Coriolis Composites Sa Machine d'application de fibres avec tubes flexibles d'acheminement de fibres
FR2913365B1 (fr) 2007-03-06 2013-07-26 Coriolis Composites Attn Olivier Bouroullec Tete d'application de fibres avec systemes de coupe de fibres particuliers
US8557074B2 (en) 2008-02-27 2013-10-15 The Boeing Company Reduced complexity automatic fiber placement apparatus and method
US8986482B2 (en) * 2008-07-08 2015-03-24 The Boeing Company Method and apparatus for producing composite structures
EP2340160B1 (fr) * 2008-10-08 2018-12-12 Vestas Wind Systems A/S Procédé de fabrication d'un élément composite polymère reposant sur l'utilisation d'au moins deux résines
GB0903805D0 (en) 2009-03-05 2009-04-22 Airbus Uk Ltd Method of manufacturing composite parts
FR2943943A1 (fr) 2009-04-02 2010-10-08 Coriolis Composites Procede et machine pour l'application d'une bande de fibres sur des surfaces convexes et/ou avec aretes
DE102009033164A1 (de) * 2009-07-13 2011-01-27 Repower Systems Ag Rotorblatt einer Windenergieanlage sowie Verfahren zum Fertigen eines Rotorblattes einer Windenergieanlage
FR2948058B1 (fr) 2009-07-17 2011-07-22 Coriolis Composites Machine d'application de fibres comprenant un rouleau de compactage souple avec systeme de regulation thermique
GB201001527D0 (en) * 2010-01-29 2010-03-17 Blade Dynamics Ltd A blade for a turbine operating in water
US20120321479A1 (en) * 2010-02-12 2012-12-20 Thomas Bruun Method for production of a rotor blade for a wind turbine generator and a rotor blade
EP2404742A1 (fr) * 2010-07-09 2012-01-11 Siemens Aktiengesellschaft Procédé pour fabriquer le composant d'une structure composite
DE102010039955A1 (de) * 2010-08-30 2012-03-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Fertigungsanlage zur Herstellung von Faserverbundmaterial-Bauteilen
WO2013084275A1 (fr) * 2011-12-09 2013-06-13 Mitsubishi Heavy Industries, Ltd. Procédé de fabrication d'une pale de turbine éolienne et pale de turbine éolienne
US10173789B2 (en) 2012-04-02 2019-01-08 Aerosud Technology Solutions (Pty) Ltd. Cellular core composite leading and trailing edges
EP2666615B1 (fr) * 2012-05-23 2015-03-04 Nordex Energy GmbH Procédé de fabrication d'une demi-coque pour pale de rotor d'éolienne ou d'une pale de rotor d'éolienne et moule de fabrication à cette fin
GB201215004D0 (en) 2012-08-23 2012-10-10 Blade Dynamics Ltd Wind turbine tower
GB201217210D0 (en) 2012-09-26 2012-11-07 Blade Dynamics Ltd A metod of forming a structural connection between a spar cap fairing for a wind turbine blade
GB201217212D0 (en) 2012-09-26 2012-11-07 Blade Dynamics Ltd Windturbine blade
EP3109025B1 (fr) * 2014-02-19 2020-11-04 Mitsubishi Chemical Corporation Procédé de formage sous pression d'un matériau composite renforcé par fibres et produit
EP3015249B1 (fr) * 2014-10-31 2018-02-28 Airbus Defence and Space GmbH Dispositif de dépôt
FR3034338B1 (fr) 2015-04-01 2017-04-21 Coriolis Composites Tete d'application de fibres avec rouleau d'application particulier
FR3043010B1 (fr) 2015-10-28 2017-10-27 Coriolis Composites Machine d'application de fibres avec systemes de coupe particuliers
FR3048373B1 (fr) 2016-03-07 2018-05-18 Coriolis Group Procede de realisation de preformes avec application d'un liant sur fibre seche et machine correspondante
FR3056438B1 (fr) 2016-09-27 2019-11-01 Coriolis Group Procede de realisation de pieces en materiau composite par impregnation d'une preforme particuliere.
DE102018100941A1 (de) * 2018-01-17 2019-07-18 Wobben Properties Gmbh Verfahren zum Herstellen von Komponenten einer Windenergieanlage, insbesondere eines Windenergieanlagen-Rotorblattes
US11958244B2 (en) 2021-12-02 2024-04-16 The Boeing Company Multi-head automated fiber placement system and method
EP4249222A1 (fr) * 2022-03-23 2023-09-27 Siemens Gamesa Renewable Energy A/S Appareil de superposition de couches de matériau et procédé de fabrication de pales d'éolienne à l'aide de plis de fibres

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2032283A1 (de) * 1969-07-04 1971-03-25 Hawker Siddeley Aviation Ltd , King ston upon Thames, Surrey (Großbritannien) Groß Tragwerk, insbesondere Haupt bauteil eines Flugzeugs
FR2254428A1 (en) * 1973-12-13 1975-07-11 Fiber Science Inc Rotor or aircraft wing structure - has wound wire tubular longitudinal components encloseesed in cladding surface
US5469686A (en) * 1993-09-27 1995-11-28 Rockwell International Corp. Composite structural truss element
WO1995020104A1 (fr) * 1994-01-20 1995-07-27 Torres Martinez, Manuel Fabrication de profils aerodynamiques

Also Published As

Publication number Publication date
WO2003035380A1 (fr) 2003-05-01
FR2831479A1 (fr) 2003-05-02

Similar Documents

Publication Publication Date Title
FR2831479B1 (fr) Procede de fabrication de profils presentant un etat de surface specifique en resines synthetiques renforcees par des fibres et machine pour mettre en oeuvre le procede
FI980968L (fi) Menetelmä kuitutuotteen valmistamiseksi
MXPA03006680A (es) Aparato y proceso para formar un tejido fibroso colocado con capacidad de peso base incrementada.
MXPA03009994A (es) METODO PARA DOSIFICAR FIBRAS DE REFUERZO PARA LA FABRICACIoN DE FIBRA DE CONCRETO Y LOS PAQUETES EN CADENA USADOS.
AU2003300313A8 (en) Method for making fibrous web materials
HUP0201825A2 (en) Method for producing fiber reinforced materials
FI952951A (fi) Kuituaineratojen valmistuskoneen, erityisesti paperikoneen viiraosa
BR9910761B1 (pt) processo e dispositivo para a produção de corpos plásticos vazados e corpos plásticos vazados assim produzidos.
FR2857900B1 (fr) Structure sandwich a base de fibres minerales et son procede de fabrication
IT1295036B1 (it) Procedimento per produrre una spola in un filatoio a vasi
FR2834983B1 (fr) Procede de fabrication de fibres de nitrure de bore a partir de borylborazines
DE59913066D1 (de) Maschine, insbesondere Verpackungsmaschine, mit Verkleidung
DE59709775D1 (de) Maschine zur Herstellung einer Faserstoffbahn
DE60113041D1 (de) System zum optischen Pumpen eines langwelligen Laser mit einem kurzwelligen Laser
FI20012526L (fi) Menetelmä mineraalikuituotteen valmistamiseksi
FR2780987B1 (fr) Procede de fabrication de fibres en polyamide
FI980044L (fi) Menetelmä kuiturainan käsittelemiseksi
ITMI20020041A0 (it) Dispositivo in un filatoio per condensare un complesso di fibre
DE59905155D1 (de) Streckwerk für Spinnereimaschinen mit einer Verdichtungsvorrichtung
PT1046635E (pt) Processo para a preparacao de um composto aromatico substituido com um nitrilo terciario
GB0103868D0 (en) Method for monitoring a network as the network changes in size
FR2806423B1 (fr) Procede de fabrication de fibres de nitrure de bore a partir d'aminoborazines
FI20011336A0 (fi) Menetelmä sellumassan pesuprosessin säätämiseksi ja tehokkuuden määrittämiseksi
BR0107802B1 (pt) processo para preparar substáncias de moagem pozolánicas ou hidráulicas para a indústria de cimento a partir de escórias oxìdicas básicas.
DE10085343T1 (de) Spannungskontrolle in einer Maschine zur Herstellung von Seilen

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 15

ST Notification of lapse

Effective date: 20170630