NO170265C - Fremgangsmaate for formpressing av gjenstander av fiberarmert plastmateriale - Google Patents

Fremgangsmaate for formpressing av gjenstander av fiberarmert plastmateriale

Info

Publication number
NO170265C
NO170265C NO864340A NO864340A NO170265C NO 170265 C NO170265 C NO 170265C NO 864340 A NO864340 A NO 864340A NO 864340 A NO864340 A NO 864340A NO 170265 C NO170265 C NO 170265C
Authority
NO
Norway
Prior art keywords
procedure
plastic material
sheet
mould
reinforcing fibres
Prior art date
Application number
NO864340A
Other languages
English (en)
Norwegian (no)
Other versions
NO170265B (no
NO864340L (no
NO864340D0 (no
Inventor
Anthony John Willis
William Terence Haley Skelding
Bronislaw Radvan
Original Assignee
Wiggins Teape Group Ltd
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 Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Publication of NO864340D0 publication Critical patent/NO864340D0/no
Publication of NO864340L publication Critical patent/NO864340L/no
Publication of NO170265B publication Critical patent/NO170265B/no
Publication of NO170265C publication Critical patent/NO170265C/no

Links

Classifications

    • 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
    • B29C70/42Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46Shaping 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
    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating 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
    • B29C61/00Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/04Thermal expansion
    • 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
    • B29C70/06Fibrous reinforcements only
    • B29C70/08Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • 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
    • B29C70/68Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/86Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • 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
    • B29K2105/06Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0063Density
    • B29K2995/0064Non-uniform density

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
NO864340A 1985-11-01 1986-10-30 Fremgangsmaate for formpressing av gjenstander av fiberarmert plastmateriale NO170265C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858527023A GB8527023D0 (en) 1985-11-01 1985-11-01 Moulded fibre reinforced plastic articles

Publications (4)

Publication Number Publication Date
NO864340D0 NO864340D0 (no) 1986-10-30
NO864340L NO864340L (no) 1987-05-04
NO170265B NO170265B (no) 1992-06-22
NO170265C true NO170265C (no) 1992-09-30

Family

ID=10587620

Family Applications (1)

Application Number Title Priority Date Filing Date
NO864340A NO170265C (no) 1985-11-01 1986-10-30 Fremgangsmaate for formpressing av gjenstander av fiberarmert plastmateriale

Country Status (18)

Country Link
US (1) US4925615A (de)
EP (1) EP0223450B1 (de)
JP (1) JPH0639134B2 (de)
KR (1) KR920004736B1 (de)
AT (1) ATE78207T1 (de)
AU (1) AU593848B2 (de)
BR (1) BR8605397A (de)
CA (1) CA1268609A (de)
DE (1) DE3686024T2 (de)
DK (1) DK166717B1 (de)
ES (1) ES2033238T3 (de)
FI (1) FI92565C (de)
GB (1) GB8527023D0 (de)
GR (1) GR3005410T3 (de)
IE (1) IE57920B1 (de)
NO (1) NO170265C (de)
PT (1) PT83662B (de)
ZA (1) ZA868264B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5064597A (en) * 1988-03-30 1991-11-12 General Electric Company Method of compression molding on hot surfaces
JP2820720B2 (ja) * 1989-06-23 1998-11-05 タキロン株式会社 ポリプロピレン樹脂成型品
KR100268595B1 (ko) * 1991-12-18 2000-10-16 고사이 아끼오 섬유 강화 열가소성 수지 성형품 및 그 성형방법
US5399821A (en) * 1993-10-20 1995-03-21 Teikoku Tsushin Kogyo Co., Ltd. Keytop for push-button switches, and method of manufacturing same
DE4430961A1 (de) * 1994-08-31 1996-03-07 Christoph Dr Ing Freist Verfahren zur Herstellung eines Dämmelements sowie ein Dämmelement
JPH08281675A (ja) * 1995-02-14 1996-10-29 Kobe Steel Ltd 繊維強化樹脂成形品及び成形方法並びに成形装置
EP0758577B1 (de) * 1995-03-01 2001-05-16 Kawasaki Steel Corporation Mit der papierherstellungstechnik hergestellte verpressbare folie und verfahren zum herstellen von verpressten folien mit geringen gewicht
DE69633042T2 (de) * 1995-03-13 2005-07-21 Sumitomo Chemical Co., Ltd. Geräuschdämmendes bauteil
AT403286B (de) * 1995-04-13 1997-12-29 Danubia Petrochem Polymere Verfahren zur herstellung von faserverstärkten, thermisch expandierten thermoplastfolien und bauteil
JPH08309898A (ja) * 1995-05-16 1996-11-26 Sumitomo Chem Co Ltd 吸音部品およびその製造方法
WO2003068474A1 (en) * 2002-02-13 2003-08-21 Darco Industries Llc Plastic toe cap and method of making
DE10237694A1 (de) * 2002-08-15 2004-03-04 Sai Automotive Sal Gmbh Verfahren sowie Vorrichtung zum Herstellen von Formteilen
US7244501B2 (en) * 2004-03-26 2007-07-17 Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings
US7682697B2 (en) * 2004-03-26 2010-03-23 Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings
USRE44893E1 (en) 2004-03-26 2014-05-13 Hanwha Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings
JP4789940B2 (ja) * 2005-08-18 2011-10-12 帝人テクノプロダクツ株式会社 等方性の繊維強化熱可塑性樹脂シートとその製造方法並びに成形板
US7759267B2 (en) * 2006-04-05 2010-07-20 Azdel, Inc. Lightweight composite thermoplastic sheets including reinforcing skins
US20070269644A1 (en) * 2006-05-19 2007-11-22 Azdel, Inc. Method of increasing loft in a porous fiber reinforced thermoplastic sheet
US20080248278A1 (en) * 2007-04-02 2008-10-09 General Electric Company Fiber reinforced thermoplastic sheets with surface coverings and methods of making
DE102008020347B4 (de) * 2008-04-23 2012-03-15 Airbus Operations Gmbh Vorrichtung zur Herstellung eines Bauteils und Verfahren
JP5568388B2 (ja) * 2010-06-24 2014-08-06 三光合成株式会社 外観の良い繊維強化樹脂成形品
EP2957775B1 (de) * 2013-02-13 2017-10-04 IHI Corporation Verfahren und vorrichtung zur herstellung von einer bläserschaufel
JP6128029B2 (ja) * 2014-03-26 2017-05-17 王子ホールディングス株式会社 繊維強化複合材、繊維強化複合材の製造方法および繊維強化複合材の固定方法
DE102014205861A1 (de) * 2014-03-28 2015-10-01 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Faserverbundbauteil und Verfahren zum Herstellen eines Faserverbundbauteils
CN107107099B (zh) 2014-11-13 2024-03-08 韩华阿德公司 包括可膨胀石墨材料的预浸料坯、芯和复合材料制品
CA2985745C (en) 2015-05-12 2024-01-02 Hanwha Azdel, Inc. Underbody shield compositions and articles that provide enhanced peel strength and methods of using them
US20170043814A1 (en) 2015-06-12 2017-02-16 Yankai Yang Impact resistant underbody shield materials and articles and methods of using them
DE102015008566B4 (de) * 2015-07-02 2017-03-30 Audi Ag Verfahren zum Erhöhen einer Setzfestigkeit eines Verbundbauteils, Verbundbauteil und Vorrichtung zum Herstellen eines Verbundbauteils
EP3374144A4 (de) 2015-11-11 2019-07-17 Hanwha Azdel, Inc. Akustische prepregs, kerne und verbundartikel sowie verfahren zur verwendung davon
US10668674B2 (en) * 2016-05-18 2020-06-02 Dell Products L.P. Apparatus and method for a high performance carbon fiber laminate enclosure part for an information handling system
AU2017375758B2 (en) 2016-12-12 2023-02-02 Hanwha Azdel, Inc. Composite articles including surface layers that provide enhanced formability
EP3434458A1 (de) * 2017-07-24 2019-01-30 Quadrant Plastic Composites AG Verfahren zur herstellung eines flächigen formteils aus einem faserverstärkten thermoplasten und damit hergestelltes formteil
CA3088863A1 (en) 2018-01-05 2019-07-11 Hanwha Azdel, Inc. Composite articles providing flame retardancy and noise reduction
US11124134B2 (en) 2018-06-06 2021-09-21 Hanwha Azdel, Inc. Composite articles including textured films and recreational vehicle articles including them
JP2022540936A (ja) 2019-07-18 2022-09-20 ハンファ アズデル インコーポレイテッド 変色が低減した複合物品、および複合物品における色変化を促進または低減する方法

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715755A (en) * 1949-11-22 1955-08-23 Wood Conversion Co Production and use of gaseous dispersions of solids and particularly of fibers
BE505297A (de) * 1950-10-09
BE563634A (de) * 1956-12-31 1900-01-01
DE1504828A1 (de) * 1963-01-11 1969-04-10 Siemens Ag Verfahren zur Herstellung von Formkoerpern aus faserverstaerktem Kunststoff
LU45437A1 (de) * 1963-12-17 1964-04-17
GB1113792A (en) * 1964-04-17 1968-05-15 Bunzl & Biach Ag A process for the production of composite material
US3378613A (en) * 1965-05-06 1968-04-16 Goodyear Aerospace Corp Method for making a fiber reinforced material
GB1110659A (en) * 1966-05-09 1968-04-24 Hawley Products Co Process for making fibrous articles
GB1129757A (en) * 1966-05-31 1968-10-09 Wiggins Teape Res Dev Method of producing a thixotropic liquid suspending medium particularly for the forming of non-woven fibrous webs
US3975483A (en) * 1967-01-12 1976-08-17 Bernard Rudloff Process for manufacturing stratified materials
US3621092A (en) * 1969-02-20 1971-11-16 Union Carbide Corp Stamping process
CA928924A (en) * 1969-02-20 1973-06-26 E. Bugel Thomas Stamping blank of glass and thermoplastic resin
FR2096624B1 (de) * 1969-07-22 1973-03-16 Anver Sa
US3785900A (en) * 1969-07-22 1974-01-15 Anver Sa Method of molding plastics to the surface of a backing material imitative of leather,fabrics and the like
BE755406A (de) * 1969-08-27 1971-03-01 Wiggins Teape Res Dev
CH520221A (de) * 1970-02-10 1972-03-15 Franceschina A Poröser Faserstoffkörper mit Kunststoffbindemittel und Verfahren zu dessen Herstellung
US3734985A (en) * 1970-04-13 1973-05-22 W Greenberg Glass fiber reinforced thermoplastic cellular plastics
AT316336B (de) * 1970-08-05 1974-07-10 Semperit Ag Formkörper aus einem elastomeren Material, sowie Verfahren und Vorrichtungen zu seiner Herstellung
US3957943A (en) * 1971-11-09 1976-05-18 Nippon Gakki Seizo Kabushiki Kaisha Method for producing glass fiber reinforced plastic molded articles with decorative patterns and article produced thereby
JPS5225864B2 (de) * 1972-03-10 1977-07-11
GB1329409A (en) * 1972-04-06 1973-09-05 Wiggins Teape Research Dev Ltd Method of and apparatus for manufacturing paper or other non- woven fibrous material
GB1424682A (en) * 1972-07-08 1976-02-11 Kroyer St Annes Ltd Kard Production of fibrous sheet material
US3891738A (en) * 1972-11-10 1975-06-24 Canadian Patents Dev Method and apparatus for pressing particleboard
GB1556710A (en) * 1975-09-12 1979-11-28 Anic Spa Method of occluding substances in structures and products obtained thereby
JPS5384066A (en) * 1976-12-29 1978-07-25 Ikeda Bussan Co Production of interior material for automobile and like
US4178411A (en) * 1977-07-11 1979-12-11 Imperial Chemical Industries, Limited Fibre expanded reinforced materials and their process of manufacture
DE2845080C2 (de) * 1978-10-17 1981-10-08 Casimir Kast Gmbh & Co Kg, 7562 Gernsbach Vorrichtung zum Beheizen eines Vlieses
DE3062699D1 (en) * 1979-05-09 1983-05-19 Teijin Ltd Aromatic polyamide paper-like sheet and processes for producing the same
US4242404A (en) * 1979-05-16 1980-12-30 Gaf Corporation High-strength glass fiber mat particularly useful for roofing products
DE2928484B1 (de) * 1979-07-14 1980-10-16 Ver Schmirgel & Maschf Verfahren zur Herstellung flexibler Schleifmittel
GB2065016B (en) * 1979-12-06 1983-02-23 Rolls Royce Moulding reinforced resin articles
JPS5938999B2 (ja) * 1980-03-14 1984-09-20 ニチアス株式会社 ジヨイントシ−ト
SE436332B (sv) * 1980-05-21 1984-12-03 Kema Nord Ab Skumkompositmaterial for framstellning av laminat samt dess anvendning som ytskikt pa treunderlag
JPS5713066U (de) * 1980-06-28 1982-01-23
US4430286A (en) * 1980-07-14 1984-02-07 Celotex Corporation Variable density board having improved thermal and acoustical properties and method and apparatus for producing same
DE3264459D1 (en) * 1981-01-21 1985-08-08 Ici Plc Process of producing fibre-reinforced shaped articles
US4418031A (en) * 1981-04-06 1983-11-29 Van Dresser Corporation Moldable fibrous mat and method of making the same
US4426470A (en) * 1981-07-27 1984-01-17 The Dow Chemical Company Aqueous method of making reinforced composite material from latex, solid polymer and reinforcing material
US4385955A (en) * 1981-09-08 1983-05-31 Detroit Gasket Method of forming contoured fiberglass sheet
JPS58145410A (ja) * 1982-02-22 1983-08-30 Aida Eng Ltd 機械プレスによるプラスチツク材の成形方法
JPS58205739A (ja) * 1982-05-26 1983-11-30 Achilles Corp 表面に凹凸模様を付形した表皮付きクツシヨン材の製造方法
US4440819A (en) * 1982-12-27 1984-04-03 Hughes Aircraft Company Interconnection of unidirectional fiber arrays with random fiber networks
US4495238A (en) * 1983-10-14 1985-01-22 Pall Corporation Fire resistant thermal insulating structure and garments produced therefrom
GB8400291D0 (en) * 1984-01-06 1984-02-08 Wiggins Teape Group Ltd Fibre reinforced plastics sheets
GB8400293D0 (en) * 1984-01-06 1984-02-08 Wiggins Teape Group Ltd Moulded fibre reinforced plastics articles
US4666645A (en) * 1984-04-20 1987-05-19 United Technologies Corporation Method for forming fiber reinforced composite articles
US4643940A (en) * 1984-08-06 1987-02-17 The Dow Chemical Company Low density fiber-reinforced plastic composites

Also Published As

Publication number Publication date
DE3686024T2 (de) 1993-04-15
CA1268609A (en) 1990-05-08
KR870004805A (ko) 1987-06-01
NO170265B (no) 1992-06-22
KR920004736B1 (ko) 1992-06-15
DE3686024D1 (de) 1992-08-20
EP0223450A1 (de) 1987-05-27
IE57920B1 (en) 1993-05-19
DK516886D0 (da) 1986-10-29
BR8605397A (pt) 1987-08-11
ATE78207T1 (de) 1992-08-15
NO864340L (no) 1987-05-04
AU593848B2 (en) 1990-02-22
AU6457086A (en) 1987-05-07
EP0223450B1 (de) 1992-07-15
FI92565B (fi) 1994-08-31
JPH0639134B2 (ja) 1994-05-25
NO864340D0 (no) 1986-10-30
GB8527023D0 (en) 1985-12-04
PT83662B (pt) 1993-07-30
ES2033238T3 (es) 1993-03-16
ZA868264B (en) 1987-06-24
JPS62161529A (ja) 1987-07-17
GR3005410T3 (de) 1993-05-24
US4925615A (en) 1990-05-15
DK166717B1 (da) 1993-07-05
PT83662A (pt) 1987-05-29
FI864383A (fi) 1987-05-02
DK516886A (da) 1987-05-02
FI864383A0 (fi) 1986-10-28
IE862837L (en) 1987-05-01
FI92565C (fi) 1994-12-12

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