IT1302117B1 - Metodo di produzione di compositi a sandwich in schiuma termoplasticarinforzati con fibre di vetro continue. - Google Patents

Metodo di produzione di compositi a sandwich in schiuma termoplasticarinforzati con fibre di vetro continue.

Info

Publication number
IT1302117B1
IT1302117B1 IT1998TO000309A ITTO980309A IT1302117B1 IT 1302117 B1 IT1302117 B1 IT 1302117B1 IT 1998TO000309 A IT1998TO000309 A IT 1998TO000309A IT TO980309 A ITTO980309 A IT TO980309A IT 1302117 B1 IT1302117 B1 IT 1302117B1
Authority
IT
Italy
Prior art keywords
strengthened
production
glass fibers
continuous glass
thermoplastic foam
Prior art date
Application number
IT1998TO000309A
Other languages
English (en)
Inventor
Chin-I Lin
Shyh-Yang Lee
Chun-Chin Chen
Teng-Soung Tong
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Publication of ITTO980309A1 publication Critical patent/ITTO980309A1/it
Application granted granted Critical
Publication of IT1302117B1 publication Critical patent/IT1302117B1/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/88Adding charges, i.e. additives
    • B29B7/90Fillers or reinforcements, e.g. fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/30Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58Component parts, details or accessories; Auxiliary operations
    • B29B7/60Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/305Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28Shaping operations therefor
    • B29C70/40Shaping or impregnating by compression not applied
    • B29C70/50Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06Rod-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04Condition, form or state of moulded material or of the material to be shaped cellular or porous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
IT1998TO000309A 1997-04-23 1998-04-10 Metodo di produzione di compositi a sandwich in schiuma termoplasticarinforzati con fibre di vetro continue. IT1302117B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/839,030 US5866051A (en) 1997-04-23 1997-04-23 Method of making continuous glass fiber-reinforced thermoplastic foam sandwich composites

Publications (2)

Publication Number Publication Date
ITTO980309A1 ITTO980309A1 (it) 1999-10-10
IT1302117B1 true IT1302117B1 (it) 2000-07-26

Family

ID=25278685

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998TO000309A IT1302117B1 (it) 1997-04-23 1998-04-10 Metodo di produzione di compositi a sandwich in schiuma termoplasticarinforzati con fibre di vetro continue.

Country Status (3)

Country Link
US (1) US5866051A (it)
DE (1) DE19818322A1 (it)
IT (1) IT1302117B1 (it)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996034045A1 (en) * 1995-04-27 1996-10-31 Aviplast Bv Plastic-based composite product and method and apparatus for manufacturing same
DE29911930U1 (de) * 1999-07-13 2000-11-30 Sachsenring Automobiltechnik AG, 08058 Zwickau Vorrichtung zur Herstellung eines mit Vorings verstärkten flächigen Bauteile
CA2330083C (en) * 2000-01-07 2010-04-13 Jas. D. Easton, Inc. Hockey stick
CA2357331C (en) * 2000-09-15 2010-07-20 Jas D. Easton, Inc. Hockey stick
US7963868B2 (en) * 2000-09-15 2011-06-21 Easton Sports, Inc. Hockey stick
US6811680B2 (en) 2001-03-14 2004-11-02 Applied Materials Inc. Planarization of substrates using electrochemical mechanical polishing
US20030222025A1 (en) * 2002-06-04 2003-12-04 Archuleta John Paul Use of foamed glass article for environment remediation and filtration
WO2004051769A2 (en) * 2002-12-02 2004-06-17 Avestor Limited Partnership Co-extrusion manufacturing process of thin film electrochemical cell for lithium polymer batteries and apparatus therefor
ATE556833T1 (de) * 2003-03-17 2012-05-15 Tech Wood Internat Ltd Verfahren zur herstellung eines verstärkten kunstoffprofils
WO2004083541A2 (en) * 2003-03-17 2004-09-30 Tech-Wood International Ltd Reinforced profile
US7232386B2 (en) 2003-05-15 2007-06-19 Easton Sports, Inc. Hockey stick
EP1570976A1 (de) * 2004-03-04 2005-09-07 Alcan Technology & Management Ltd. Verarbeitung von zyklischen Oligomeren zu thermoplastischen PBT-Kunststoffen
USRE44893E1 (en) 2004-03-26 2014-05-13 Hanwha Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings
JP4812760B2 (ja) * 2004-07-20 2011-11-09 ビー. アイ. グループ ピーエルシー 自動車のヘッドライナー用の再生可能な複合プラスチック
US7431980B2 (en) * 2004-11-08 2008-10-07 Azdel, Inc. Composite thermoplastic sheets including natural fibers
WO2006060895A1 (en) * 2004-12-08 2006-06-15 Hossein Borazghi Process and machine for producing lightweight thermoplastic composite products in a continuous manner
GB0522960D0 (en) * 2005-11-10 2005-12-21 B I Group Plc Composite material
WO2007059335A2 (en) * 2005-11-16 2007-05-24 Easton Sports, Inc. Hockey stick
US7807005B2 (en) * 2006-02-02 2010-10-05 The Boeing Company Fabrication process for thermoplastic composite parts
CA2579264C (en) 2006-02-24 2013-09-10 Basf Corporation Composite article
US20080023871A1 (en) * 2006-07-28 2008-01-31 Gm Global Technology Operations, Inc. Methods of forming polymeric articles having continuous support structures
US20090309260A1 (en) * 2008-06-12 2009-12-17 Kenneth Herbert Keuchel Method of delivering a thermoplastic and/or crosslinking resin to a composite laminate structure
US7914403B2 (en) * 2008-08-06 2011-03-29 Easton Sports, Inc. Hockey stick
DE102009051058A1 (de) * 2009-10-28 2011-05-05 Rehau Ag + Co. Verfahren zur Herstellung eines faserverstärkten Extrusionsprofils sowie faserverstärktes Extrusionsprofil
KR20140015462A (ko) 2011-04-12 2014-02-06 티코나 엘엘씨 연속 섬유 보강된 열가소성 봉 및 그를 제조하기 위한 인발 방법
KR20140027252A (ko) 2011-04-12 2014-03-06 티코나 엘엘씨 송전 케이블용 복합체 코어
TW201303192A (zh) 2011-04-12 2013-01-16 Ticona Llc 用於水下應用之臍管
US20150166744A1 (en) * 2012-01-12 2015-06-18 Patwin Plastics, Inc. Fiber reinforced material
CN102615839A (zh) * 2012-03-27 2012-08-01 华东理工大学 连续纤维增强热塑性预浸带编织物及其板材的制备方法
US9701847B2 (en) 2012-12-21 2017-07-11 Mcp Ip, Llc Reinforced powder paint for composites
EP3095572A1 (en) * 2015-05-22 2016-11-23 Borealis AG Process for manufacturing of a fibre-reinforced polymer composition
CN106183266A (zh) * 2016-07-04 2016-12-07 江苏科悦新材料有限公司 一种发泡夹芯材料及其制造方法和应用
WO2018036821A1 (de) 2016-08-26 2018-03-01 Basf Se Verfahren zur kontinuierlichen herstellung von faserverstärkten schaumstoffen
CN109715371B (zh) 2016-08-26 2021-09-21 巴斯夫欧洲公司 纤维增强的泡沫材料
CN111300716A (zh) * 2019-11-29 2020-06-19 上海新安汽车隔音毡有限公司 一种汽车发动机防火pur装饰罩的制作方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993726A (en) * 1974-01-16 1976-11-23 Hercules Incorporated Methods of making continuous length reinforced plastic articles
US4386983A (en) * 1976-01-19 1983-06-07 The Celotex Corporation Method of making a foam structural laminate
US4130614A (en) * 1976-02-02 1978-12-19 Exxon Research & Engineering Co. Method for making structural foams with facing sheets
US4154634A (en) * 1977-09-22 1979-05-15 Plas/Steel Products, Inc. Method for fabricating improved fiber reinforced plastic rods having a smooth surface
US4439387A (en) * 1979-09-13 1984-03-27 Polymer Composites, Inc. Method of manufacturing a composite reinforcing structure
US4372900A (en) * 1980-11-13 1983-02-08 Detroit Gasket & Mfg. Co. Method of forming reinforced foam structure
US4581186A (en) * 1982-12-17 1986-04-08 Larson Roger E Method of making foam core building panels in a continuous operation
US4842667A (en) * 1986-12-29 1989-06-27 Lockheed Corporation Epoxy resin system and pultrusion process employing same
GB2203982A (en) * 1987-04-22 1988-11-02 Robert Strachan A granular filled and woven fibre or mat sheathed pultrusion
JPS641526A (en) * 1987-04-27 1989-01-05 Toyo Cloth Kk Molding of composite material by means of ultra-violet ray curing
JPH0618730B2 (ja) * 1987-06-27 1994-03-16 株式会社ジャムコ プラスチック系複合材の成形方法
US4938823A (en) * 1988-10-07 1990-07-03 The Pultrusions Corporation Pultrusion/extrusion method
US5277566A (en) * 1988-10-19 1994-01-11 Hoechst Aktiengesellschaft Extrusion impregnating device
CA1324243C (en) * 1989-06-27 1993-11-16 James Holloway Method and apparatus for forming fibre reinforced articles
ES2077684T3 (es) * 1989-08-21 1995-12-01 Sumitomo Chemical Co Metodo para producir un articulo moldeado de resina termoplastica reforzada con fibra.
US5286320A (en) * 1991-11-18 1994-02-15 Owens-Corning Fiberglas Technology Inc. Method for making a pultruded panel
US5342469A (en) * 1993-01-08 1994-08-30 Poly-Bond, Inc. Method of making a composite with discontinuous adhesive structure
US5665295A (en) * 1994-08-04 1997-09-09 Teijin Limited Process for the production of composite molded article
US5783013A (en) * 1995-06-07 1998-07-21 Owens-Corning Fiberglas Technology Inc. Method for performing resin injected pultrusion employing multiple resins
US5653923A (en) * 1996-02-29 1997-08-05 Owens-Corning Fiberglas Technology, Inc. Method for making shaped members using a foam froth

Also Published As

Publication number Publication date
US5866051A (en) 1999-02-02
ITTO980309A1 (it) 1999-10-10
DE19818322A1 (de) 1998-11-19

Similar Documents

Publication Publication Date Title
IT1302117B1 (it) Metodo di produzione di compositi a sandwich in schiuma termoplasticarinforzati con fibre di vetro continue.
IT1167655B (it) Metodo di stampaggio per articoli compositi in matrice di vetro rinforzata con fibre
BR9407981A (pt) Produto para isolamento de fibra de vidro contendo fibras de vidro de formato irregular fibra de vidro de formato irregular
ITRM930069A0 (it) Procedimento per produrre manti isolanti in fibre di vetro incapsulati
DE69623778D1 (de) Anschwellendes bahnmaterial mit glasfasern
IT1182997B (it) Perfezionamento nelle ruote composite in materiale plastico rinforzato con fibre e procedimento di fabbricazione
GB2293822B (en) Optical fibre preforms
ATE194590T1 (de) Glasfaserisolationsprodukt
ID24625A (id) Produksi komposit dengan struktur-struktur serat berpori
AU6549098A (en) Molded wood fiber web and structural panels made utilizing the fiber web
IT8321203A0 (it) Metodo per produrre articoli compositi in matrice di vetro rinforzata con fibre tessute.
IT8421141A1 (it) Metodo per produrre un articolo composito in matrice di resina rinforzata con fibre e bussole composite relative
BR9502393A (pt) Método para fabricação de pré-formas de fibra óptica,pré-formas de fibra óptica,e fibra óprica
BR9305114A (pt) Artigo termoplástico monolítico, processo para produção de artigo e artigo baseado em polimero fluorado monolitico, e fibra ótica de polímero.
AU6475194A (en) Optical fiber preform, optical fiber and their manufacturing methods
IT8219341A0 (it) Procedimento e dispositivo per laproduzione in continuo di lastre di polimeri termoplastici rinforzate con fibre di vetro.
GB2321243B (en) Method of manufacturing optical fibre preform
EP1044173A4 (en) LARGE SCALE MANUFACTURING PROCESS OF OPTICAL FIBER PREFORMS WITH IMPROVED CHARACTERISTICS
PT803622E (pt) Mastro de plastico reforcado com fibras de vidro
GB2357500B (en) Method of producing glass article and optical fibre glass preform
ITMI992209A0 (it) Elemento eleastico in materiale composito con fibre comprendente strat i morbidi incorporati
DE19882262T1 (de) Langfaser-verstärkter, thermoplastischer Harzverbundstoff
BR9506216A (pt) Pré-forma fibra óptica e processo de produção de fibra óptica
ITMO970187A3 (it) Macchina per il taglio di lastre composite di vetro e resina termoplastica, con doppia azione di taglio a caldo.
ITMN910035A0 (it) Procedimento per la fabbricazione di oggetti cavi in materiale composito,in particolare di fibre e resina

Legal Events

Date Code Title Description
0001 Granted