FR2558411B1 - Procede de faconnage d'un article moule en forme de barre continue, et appareillage pour le faconnage de cet article - Google Patents

Procede de faconnage d'un article moule en forme de barre continue, et appareillage pour le faconnage de cet article

Info

Publication number
FR2558411B1
FR2558411B1 FR8407426A FR8407426A FR2558411B1 FR 2558411 B1 FR2558411 B1 FR 2558411B1 FR 8407426 A FR8407426 A FR 8407426A FR 8407426 A FR8407426 A FR 8407426A FR 2558411 B1 FR2558411 B1 FR 2558411B1
Authority
FR
France
Prior art keywords
shaping
article
continuous
shaped molded
molded article
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
FR8407426A
Other languages
English (en)
Other versions
FR2558411A1 (fr
Inventor
Takayoshi Nakasone
Kenji Kozuka
Haruo Kimura
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.)
Ube Exsymo Co Ltd
Original Assignee
Ube Nitto Kasei Co 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 Ube Nitto Kasei Co Ltd filed Critical Ube Nitto Kasei Co Ltd
Publication of FR2558411A1 publication Critical patent/FR2558411A1/fr
Application granted granted Critical
Publication of FR2558411B1 publication Critical patent/FR2558411B1/fr
Expired 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/30—Drawing through a die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0075—Light guides, optical cables
    • 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
    • B29L2031/06—Rods, e.g. connecting rods, rails, stakes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/65—Processes of preheating prior to molding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
FR8407426A 1984-01-24 1984-05-14 Procede de faconnage d'un article moule en forme de barre continue, et appareillage pour le faconnage de cet article Expired FR2558411B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59009415A JPS60154029A (ja) 1984-01-24 1984-01-24 棒状連続押出成形体の整形方法および整形装置

Publications (2)

Publication Number Publication Date
FR2558411A1 FR2558411A1 (fr) 1985-07-26
FR2558411B1 true FR2558411B1 (fr) 1988-08-26

Family

ID=11719750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8407426A Expired FR2558411B1 (fr) 1984-01-24 1984-05-14 Procede de faconnage d'un article moule en forme de barre continue, et appareillage pour le faconnage de cet article

Country Status (6)

Country Link
US (1) US4976906A (fr)
JP (1) JPS60154029A (fr)
KR (1) KR890001528B1 (fr)
DE (1) DE3419036A1 (fr)
FR (1) FR2558411B1 (fr)
GB (1) GB2154500B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186833A (en) * 1986-02-20 1987-08-26 Fiberforce Limited Pultrusion method
JPH0216024A (ja) * 1988-05-04 1990-01-19 Uk Atomic Energy Authority 熱可塑性重合体からなる材料の押出成形方法及び装置
US4992229A (en) * 1989-02-14 1991-02-12 Phillips Petroleum Company Thermoplastic re-pultrusion
GB8916002D0 (en) * 1989-07-13 1989-08-31 Prosyma Res Ltd Finishing process for extruded profiles
JP2983569B2 (ja) * 1990-03-02 1999-11-29 ポリプラスチックス株式会社 長繊維強化熱可塑性ポリエステル樹脂の製造法及び該樹脂よりなる成形品
US5063014A (en) * 1990-05-07 1991-11-05 Aeroquip Corporation Method for molding trim strips by extrusion molding in an open mold
EP0491043B1 (fr) * 1990-07-06 1996-02-07 Ube-Nitto Kasei Co. Ltd. Composition de resine polyamide renforcee par fibres et procede de production
FR2672006A1 (fr) * 1991-01-28 1992-07-31 Eropol Finance Dev Dispositif de conformation d'un produit extrude a l'etat pateux.
US5911932A (en) 1997-07-09 1999-06-15 R. Charles Balmer Method of prepregging with resin
WO2001054884A1 (fr) * 2000-01-26 2001-08-02 Sekisui Chemical Co., Ltd. Article moule a partir d'une matiere composite thermoplastique et procede de production dudit article
CA2564822A1 (fr) 2004-04-30 2005-11-17 Burrell E. Clawson Appareil et methodes pour isoler des zones du corps humain en vue d'effectuer un refroidissement localise
FR2882958B1 (fr) * 2005-03-09 2011-03-18 Saint Gobain Vetrotex Batonnets de renforts concentres et leur fabrication
US7987885B2 (en) * 2005-12-01 2011-08-02 Saint-Gobain Performance Plastics Corporation System and die for forming a continuous filament reinforced structural plastic profile by pultrusion/coextrusion
US8852475B2 (en) * 2005-12-01 2014-10-07 Saint-Gobain Performance Plastics Corporation Method of making continuous filament reinforced structural plastic profiles using pultrusion/coextrusion
JP4906522B2 (ja) * 2007-01-23 2012-03-28 宇部日東化成株式会社 熱可塑性樹脂被覆ｆｒｐ線条物の製造方法及び製造装置
FR3139492A1 (fr) * 2022-09-12 2024-03-15 Safran Procédé de fabrication d’un toron instrumenté
WO2023156728A1 (fr) * 2022-02-18 2023-08-24 Safran Procede de fabrication d'un toron instrumente

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446620A (en) * 1944-01-28 1948-08-10 Bakelite Corp Automatic pressure sealing device
US2721820A (en) * 1950-03-14 1955-10-25 Orchard Ind Inc Method of making rods
BE531382A (fr) * 1953-08-25 1900-01-01
US2867848A (en) * 1956-11-23 1959-01-13 Phillips Petroleum Co Heat-stress cracking resistance of thermoplastic filamentous articles
US3290420A (en) * 1962-07-05 1966-12-06 Columbian Rope Co Process for making thin oriented plastic strips and tape
FR1448785A (fr) * 1963-12-10 1966-03-18 Submarine Cables Ltd Perfectionnements aux appareils utilisés dans la fabrication des conducteurs électriques à isolement plastique
NL133639C (fr) * 1964-09-26
US3411181A (en) * 1965-01-14 1968-11-19 Fre Mar Ind Process for producing sealing material
FR1437716A (fr) * 1965-04-01 1966-05-06 Hackethal Draht & Kabelwerk Ag Procédé de fabrication de câbles électriques, notamment des câbles comportant un conducteur de protection ou un conducteur neutre, ainsi que les câbles conformes àceux obtenus par le présent procédé ou procédé similaire
US3472921A (en) * 1965-05-20 1969-10-14 Poly Optics Method of making optical fibers
US3470051A (en) * 1965-08-05 1969-09-30 Leonard S Meyer Formation of reinforced plastic rods and tubes
US3513228A (en) * 1966-06-11 1970-05-19 Sumitomo Electric Industries Method of continuously curing rubber or plastic coated conductor
US3538207A (en) * 1966-12-30 1970-11-03 Gen Cable Corp Pressure equalizer for vulcanizable elastomers for three layer extrusion
US3529050A (en) * 1967-02-06 1970-09-15 Koppers Co Inc Method and apparatus for producing a resin rich surface
GB1234248A (fr) * 1967-08-10 1971-06-03
FR2031719A5 (fr) * 1969-02-05 1970-11-20 Verre Textile Ste
JPS4884870U (fr) * 1972-01-17 1973-10-15
GB1422956A (en) * 1972-11-10 1976-01-28 Bicc Ltd Optical guides
JPS5143501B2 (fr) * 1973-01-27 1976-11-22
US3993726A (en) * 1974-01-16 1976-11-23 Hercules Incorporated Methods of making continuous length reinforced plastic articles
US4038018A (en) * 1976-06-21 1977-07-26 Fmc Corporation Apparatus for molding of filament-reinforced plastic rods
US4089923A (en) * 1977-02-17 1978-05-16 International Telephone & Telegraph Corporation Manufacture of submarine cable
GB1569905A (en) * 1977-10-06 1980-06-25 Standard Telephones Cables Ltd Cables
US4156104A (en) * 1977-10-11 1979-05-22 Bell Telephone Laboratories, Incorporated Submarine cable for optical communications
JPS5493082A (en) * 1977-12-30 1979-07-23 Dainichi Nippon Cables Ltd Continuously extruding and vulcanizing apparatus for hygh polymer continuous lengthes
JPS5738137A (en) * 1980-08-21 1982-03-02 Mitsubishi Petrochemical Co Manufacture of composite member
US4356143A (en) * 1981-03-09 1982-10-26 General Engineering Radcliffe 1979 Limited Apparatus for and a method of curing a continuous length of curable material
FR2504449A1 (fr) * 1981-04-22 1982-10-29 Renault Realisation par pultrusion de profiles a partir de polymeres thermoplastiques
US4720368A (en) * 1983-06-28 1988-01-19 Ube-Nitto Kasei Co., Ltd. Method for forming a rod-like molding
JPS6290229A (ja) * 1985-10-16 1987-04-24 Ube Nitto Kasei Kk 棒状成形物の連続成形法

Also Published As

Publication number Publication date
GB2154500A (en) 1985-09-11
KR850005316A (ko) 1985-08-24
GB8413813D0 (en) 1984-07-04
FR2558411A1 (fr) 1985-07-26
JPS60154029A (ja) 1985-08-13
DE3419036C2 (fr) 1991-04-11
JPS6358691B2 (fr) 1988-11-16
US4976906A (en) 1990-12-11
GB2154500B (en) 1987-03-04
KR890001528B1 (ko) 1989-05-06
DE3419036A1 (de) 1985-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse