GB2012671B - Method of making non-woven fabric substrates for carbon fibre reinforced composites - Google Patents

Method of making non-woven fabric substrates for carbon fibre reinforced composites

Info

Publication number
GB2012671B
GB2012671B GB79617A GB7900617A GB2012671B GB 2012671 B GB2012671 B GB 2012671B GB 79617 A GB79617 A GB 79617A GB 7900617 A GB7900617 A GB 7900617A GB 2012671 B GB2012671 B GB 2012671B
Authority
GB
United Kingdom
Prior art keywords
woven fabric
carbon fibre
fibre reinforced
reinforced composites
making non
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
Application number
GB79617A
Other versions
GB2012671A (en
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.)
Dunlop Ltd
Original Assignee
Dunlop 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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of GB2012671A publication Critical patent/GB2012671A/en
Application granted granted Critical
Publication of GB2012671B publication Critical patent/GB2012671B/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71Ceramic products containing macroscopic reinforcing agents
    • C04B35/78Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83Carbon fibres in a carbon matrix
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022Non-woven fabric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026Knitted fabric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B32B9/007Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209Inorganic fibres
    • D04H1/4242Carbon fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/02Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Composition of linings ; Methods of manufacturing
    • F16D69/023Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/20All layers being fibrous or filamentary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/106Carbon fibres, e.g. graphite fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2313/00Elements other than metals
    • B32B2313/04Carbon
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D65/12Discs; Drums for disc brakes
    • F16D65/125Discs; Drums for disc brakes characterised by the material used for the disc body
    • F16D65/126Discs; Drums for disc brakes characterised by the material used for the disc body the material being of low mechanical strength, e.g. carbon, beryllium; Torque transmitting members therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Inorganic Fibers (AREA)
  • Moulding By Coating Moulds (AREA)
GB79617A 1978-01-12 1979-02-21 Method of making non-woven fabric substrates for carbon fibre reinforced composites Expired GB2012671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB118078 1978-01-12

Publications (2)

Publication Number Publication Date
GB2012671A GB2012671A (en) 1979-08-01
GB2012671B true GB2012671B (en) 1982-06-16

Family

ID=9717546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB79617A Expired GB2012671B (en) 1978-01-12 1979-02-21 Method of making non-woven fabric substrates for carbon fibre reinforced composites

Country Status (5)

Country Link
JP (1) JPS54101985A (en)
AU (1) AU517708B2 (en)
DE (1) DE2900938A1 (en)
FR (1) FR2414574A1 (en)
GB (1) GB2012671B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609707A (en) * 1991-09-04 1997-03-11 The B. F. Goodrich Company Carbon fiber reinforced carbon/carbon composite and method of its manufacture
US6174594B1 (en) 1986-01-28 2001-01-16 Aerospace Preforms Limited Shaped filamentary structures

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989375A (en) * 1979-12-21 1999-11-23 Bortz; David N. Friction controlling devices and methods of their manufacture
JPS5727746A (en) * 1980-07-25 1982-02-15 Toho Beslon Co Three dimensional fiber reinforcing composite material and its manufacture
FR2506672A1 (en) * 1981-06-02 1982-12-03 Lorraine Carbone METHOD FOR MANUFACTURING FRICTION DISCS
US4790052A (en) * 1983-12-28 1988-12-13 Societe Europeenne De Propulsion Process for manufacturing homogeneously needled three-dimensional structures of fibrous material
FR2584106B1 (en) * 1985-06-27 1988-05-13 Europ Propulsion METHOD FOR MANUFACTURING THREE-DIMENSIONAL STRUCTURES BY NEEDLEING PLANE LAYERS OF SUPERIMPOSED FIBROUS MATERIAL AND FIBROUS MATERIAL USED FOR THE IMPLEMENTATION OF THE PROCESS
GB8513609D0 (en) * 1985-05-30 1985-07-03 Otty M Making reinforced resinous sheet material
FR2587992B1 (en) * 1985-10-02 1995-07-13 Europ Propulsion CARBON-CARBON COMPOSITE MATERIAL FOR FRICTION COMPONENTS, AND ITS APPLICATION TO BRAKING DEVICES
US5882781A (en) * 1986-01-28 1999-03-16 Aerospace Preforms Limited Shaped fibrous fabric structure comprising multiple layers of fibrous material
GB8602003D0 (en) * 1986-01-28 1986-03-05 Lawton P G Carbonisable fibre assembly
JPS6360155A (en) * 1986-08-28 1988-03-16 株式会社神戸製鋼所 Manufacture of carbon/carbon composite material from nonwoven cloth as raw material
JPH0699187B2 (en) * 1986-08-28 1994-12-07 株式会社神戸製鋼所 Preform body of carbon composite material reinforced with carbon fiber made of non-woven fabric
GB8700805D0 (en) * 1987-01-15 1987-02-18 Dunlop Ltd Carbon fibre materials
US5705264A (en) * 1987-01-27 1998-01-06 Aerpspace Preforms Limited Production of shaped filamentary structures
US4983451A (en) * 1987-08-05 1991-01-08 Kabushiki Kaisha Kobe Seiko Sho Carbon fiber-reinforced carbon composite material and process for producing the same
FR2626294B1 (en) * 1988-01-26 1990-07-13 Carbone Ind METHOD FOR MANUFACTURING A THREE-DIMENSIONAL FIBROUS STRUCTURE FOR THE LATEST REALIZATION OF A PART IN A COMPOSITE MATERIAL AND MACHINE FOR IMPLEMENTING SAME
EP0484391B1 (en) * 1989-07-25 1995-09-20 Dunlop Limited Manufacture of carbon fibre preform
US5217770A (en) * 1991-08-15 1993-06-08 The B. F. Goodrich Company Braided shaped filamentary structures and methods of making
US5392500A (en) * 1991-12-02 1995-02-28 Societe Europeenne De Propulsion Process for the manufacture of a fibrous preform formed of refractory fibers for producing a composite material article
FR2686907B1 (en) * 1992-02-05 1996-04-05 Europ Propulsion PROCESS FOR THE PREPARATION OF FIBROUS PREFORMS FOR THE MANUFACTURE OF PARTS MADE OF COMPOSITE MATERIALS AND PRODUCTS OBTAINED BY THE PROCESS.
GB2271076B (en) * 1992-09-30 1997-04-09 Aircraft Braking Systems Corp Apparatus for manufacturing carbon brake discs
GB9310592D0 (en) * 1993-05-22 1993-07-14 Dunlop Ltd Ultra-high performance carbon composites
GB2282827A (en) * 1993-10-07 1995-04-19 Rolls Royce Plc A method of manufacturing a fibre reinforced composite component
US5662855A (en) * 1994-05-17 1997-09-02 The B.F. Goodrich Company Method of making near net shaped fibrous structures
US5858890A (en) * 1994-07-25 1999-01-12 The B. F. Goodrich Company Laminar fibrous structure having Z-fibers that penetrate a constant number of layers
US5515585A (en) * 1994-07-25 1996-05-14 The Bf Goodrich Company Process for forming needled fibrous structures using determined transport depth
US6029327A (en) * 1994-07-25 2000-02-29 The B.F. Goodrich Company Process for forming fibrous structures with predetermined Z-fiber distributions
US6405417B1 (en) 1994-07-25 2002-06-18 Goodrich Corporation Process for forming fibrous structures with predetermined Z-fiber distributions
US5654059A (en) * 1994-08-05 1997-08-05 Amoco Corporation Fiber-reinforced carbon and graphite articles and method for the production thereof
US5546880A (en) * 1994-12-29 1996-08-20 The Bf Goodrich Company Annular filamentary structures and methods of making
US5908792A (en) * 1995-10-04 1999-06-01 The B. F. Goodrich Company Brake disk having a functional gradient Z-fiber distribution
FR2754031B1 (en) 1996-09-30 1998-12-18 Carbone Ind DEVELOPMENT OF FIBROUS PREFORMS FOR THE MANUFACTURE OF COMPOSITE MATERIAL BRAKE DISCS
US6105223A (en) * 1997-04-30 2000-08-22 The B. F. Goodrich Company Simplified process for making thick fibrous structures
DE69914959T2 (en) 1999-11-25 2004-12-16 Dunlop Aerospace Ltd. ABRASIVE OBJECTS
GB0112893D0 (en) 2001-05-25 2001-07-18 Dunlop Aerospace Ltd Refractory-carbon composite brake friction elements
GB2403989B (en) 2003-07-15 2006-06-14 Dunlop Aerospace Ltd Composite article
ES2522115T3 (en) 2009-07-17 2014-11-13 Carbon Fibre Preforms Ltd A fiber matrix and a method to make a fiber matrix
DE102009055912A1 (en) 2009-11-27 2011-06-09 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. A process for the continuous production of staple fiber webs from finely long fiber-oriented reinforcing fibers
KR101931826B1 (en) * 2010-12-24 2018-12-21 도레이 카부시키가이샤 Method for producing carbon fiber aggregate, and method for producing carbon fiber-reinforced plastic
JP6577697B2 (en) * 2014-03-27 2019-09-18 帝人株式会社 Carbon fiber felt, method for producing the same, and liquid flow electrolytic cell
DE102014013867A1 (en) * 2014-09-24 2016-03-24 Carl Freudenberg Kg Use of a carbon fiber nonwoven as insulating material
CN109968699B (en) * 2019-04-11 2024-05-28 大庆市九天新型保温建筑材料有限公司 Inclined plane sewing machine and sewing net woven reinforced fiber insulation board manufactured by same
CN112250463B (en) * 2020-09-15 2022-05-24 航天特种材料及工艺技术研究所 Method for preparing heat insulation tile blank by spray forming method
FR3115047B1 (en) * 2020-10-13 2023-07-28 Safran Landing Systems Needle-punched fibrous structure for the production of annular fibrous preform for brake discs
CN114248437A (en) * 2021-11-30 2022-03-29 吉林大学 3D printing method for continuous fiber woven body reinforced fiber composite material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1282421A (en) * 1968-08-09 1972-07-19 Robinson & Sons Ltd Non-woven fabric
DE2027132A1 (en) * 1970-06-03 1971-12-09
DE2103052C3 (en) * 1971-01-22 1975-08-21 Zentralnoje Projektno-Konstruktorskoje I Technologitscheskoje Buero Ministerstwa Ljochkoj Promyschlennosti Latwijskoj Ssr, Riga (Sowjetunion) Process for the production of fiber nonwovens from waste from leather, smoking goods, textile and cellulose factories
GB1447029A (en) * 1972-07-21 1976-08-25 Hyfil Ltd Carbon fibre composite
NL7317604A (en) * 1973-12-21 1975-06-24 Vysoka Skola Strojni Textilni PROCEDURE FOR IMPROVING THE SHAPE STABILITY AND MECHANICAL PROPERTIES OF NEEDLE FABRICS.
NL7403948A (en) * 1974-03-22 1975-09-24 Bekaert Sa Nv PROCESS FOR MANUFACTURE OF A FIBER FIBER AND A FIBER FIBER THIS OBTAINED.
JPS5314878A (en) * 1976-07-21 1978-02-09 Ichikawa Woolen Textile Manufacture of unwoven fabric with optional width

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6174594B1 (en) 1986-01-28 2001-01-16 Aerospace Preforms Limited Shaped filamentary structures
US5609707A (en) * 1991-09-04 1997-03-11 The B. F. Goodrich Company Carbon fiber reinforced carbon/carbon composite and method of its manufacture

Also Published As

Publication number Publication date
AU517708B2 (en) 1981-08-20
FR2414574B1 (en) 1981-03-06
JPS54101985A (en) 1979-08-10
AU4312579A (en) 1979-07-19
FR2414574A1 (en) 1979-08-10
GB2012671A (en) 1979-08-01
DE2900938A1 (en) 1979-07-19

Similar Documents

Publication Publication Date Title
GB2012671B (en) Method of making non-woven fabric substrates for carbon fibre reinforced composites
GB2039270B (en) Method of preparing carbon fibres
DE3374426D1 (en) Process for producing a non-woven fabric of hot-melt-adhered composite fibers
GB2059407B (en) Process for producing carbon tows
JPS5591628A (en) Method of impregnating fibrous knit textile matter
GB2027753B (en) Process for the treatment of textile fibre materials with foams
GB2053177B (en) Process for producing carbon-carbon fibre composites
GB1549687A (en) Production of carbon fibre reinforced carbon composite materials
DE3063790D1 (en) Process for producing carbon fiber
GB2041901B (en) Process for producing carbon fibres
JPS5516987A (en) Method and apparatus for producing nowoven fabric from fiber material
JPS5734085A (en) Manufacture of carbon fiber reinforced carbon composite material
GB2055057B (en) Process for saturating a fibre mat of open structure
YU52379A (en) Process for producing fibrous structures
AU528442B2 (en) Method of strengthening non-woven fabrics
JPS5536342A (en) High grade quality improving method of wool fiber substance
JPS5567053A (en) Composite long fiber nonwoven fabric and production
DE2963458D1 (en) Process for making nonwoven fabrics by bonding organic fibers
GB1553497A (en) Carbon fibre reinforced cement
JPS54110220A (en) Carbon fiber reinforced cement
HU178755B (en) Process and equipment for preparing fibres from glass
JPS53111193A (en) Surface treating of carbon fiber
GB2023200B (en) Process for impregnating non-woven fabric
JPS54106386A (en) Method of making composite can or fiber drum
JPS5584484A (en) Reductant for dyeing process of fiber

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990107

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)