HK86792A - Moulding process - Google Patents

Moulding process Download PDF

Info

Publication number
HK86792A
HK86792A HK867/92A HK86792A HK86792A HK 86792 A HK86792 A HK 86792A HK 867/92 A HK867/92 A HK 867/92A HK 86792 A HK86792 A HK 86792A HK 86792 A HK86792 A HK 86792A
Authority
HK
Hong Kong
Prior art keywords
moulding process
molten
polymer
process according
moulding
Prior art date
Application number
HK867/92A
Other languages
English (en)
French (fr)
Inventor
Peter Stewart Allan
Michael John Bevis
Original Assignee
British Technology Group Limited
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26288603&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK86792(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB848432335A external-priority patent/GB8432335D0/en
Priority claimed from GB858512708A external-priority patent/GB8512708D0/en
Application filed by British Technology Group Limited filed Critical British Technology Group Limited
Publication of HK86792A publication Critical patent/HK86792A/en

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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0082—Reciprocating the moulding material inside the mould cavity, e.g. push-pull injection moulding
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0003—Moulding articles between moving mould surfaces, e.g. turning surfaces
    • 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
    • B29C70/06—Fibrous reinforcements only
    • 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
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
    • B29C70/14—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat oriented
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C2045/0098—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor shearing of the moulding material, e.g. for obtaining molecular orientation or reducing the viscosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0041—Crystalline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/005—Oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0088—Molecular weight

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (13)

1. Formungsverfahren, welches Verfahren aufweist Zuführen geschmolzenen formbaren Materials zu einem Formenhohlraum (17), Unterwerfen mindestens eines Teils des zugeführten geschmolzenen Materials einer Scherkraft, Erreichen, daß das Material unter Aufrechterhalten der Scherkraft aushärtet, und Ausformen des geformten Materials, dadurch gekennzeichnet, daß das zugeführte geschmolzene Material der Scherkraft dadurch ausgesetzt wird, daß eine periodische Kraft auf jede von mehreren Bereichen des geschmolzenen Materials ausgeübt wird, wobei ein Unterschied bei den periodischen Kräften vorliegt, die auf mindestens zwei unterschiedliche derartige Bereiche ausgeübt werden (über 14,15), um eine Scherung des geschmolzenen Materials zwischen zumindest diesen beiden Bereichen zu bewirken.
2. Formungsverfahren nach Anspruch 1, bei dem das formbare Material ein Polymermaterial enthält.
3. Formungsverfahren nach Anspruch 2, bei dem das Polymermaterial ein thermoplastisches polymer enthält.
4. Formungsverfahren nach Anspruch 3, bei dem das thermoplastische Polymer ein teilkristallines Polymer enthält.
5. Formungsverfahren nach einem der Ansprüche 2 bis 4, bei dem das Polymermaterial ein Homo-oder Copolyolefin oder ein Blend davon mit mindestens einem anderen Polymer ist.
6. Formungsverfahren nach Anspruch 1, bei dem das formbare Material gefüllt ist.
7. Formungsverfahren nach Anspruch 2, bei dem das Polymermaterial ein Flüssigkristall-Polymer enthält.
8. Formungsverfahren nach Anspruch 2, bei dem das Polymermaterial ein wärmehärtbares Material enthält.
9. Formungsverfahren nach Anspruch 1, bei dem die auf mindestens zwei unterschiedliche Bereiche des geschmolzenen Materials ausgeübten periodischen Kräfte mit gleicher Frequenz ausgeübt werden.
10. Formungsverfahren nach Anspruch 1, bei dem die auf mindestens zwei unterschiedliche Bereiche des geschmolzenen Materials ausgeübten periodischen Kräfte miteinander nicht in Phase sind.
11. Formungsverfahren nach Anspruch 1, bei dem unmittelbar vor der Verfestigung des geschmolzenen formbaren Materials die periodischen Kräfte in Phase ausgeübt werden, um auf den Formenhohlraum eine Hilfs-Verdichtungskraft auszuüben.
12. Formungsvorrichtung mit einem Formenhohlraum (17), einer Einrichtung (1) zum Zuführen geschmolzenen formbaren Materials in diese und zwischen dem Formenhohlraum und der Zuführeinrichtung eingefügt eine Einrichtung, um eine Scherkraft auf zumindest einen Teil irgendeines zugeführten geschmolzenen Materials auszuüben, dadurch gekennzeichnet, daß die Einrichtung zum Ausüben einer Scherkraft eine Einrichtung enthält zum Ausüben periodischer Kräfte auf das geschmolzene Material in zumindest zwei unterschiedlichen Bereiche in dem Formenhohlraum.
13. Formungsvorrichtung nach Anspruch 12, die eine Spritzgießformvorrichtung enthält.
HK867/92A 1984-12-21 1992-11-05 Moulding process HK86792A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848432335A GB8432335D0 (en) 1984-12-21 1984-12-21 Injection moulding
GB858512708A GB8512708D0 (en) 1985-05-20 1985-05-20 Moulding process

Publications (1)

Publication Number Publication Date
HK86792A true HK86792A (en) 1992-11-13

Family

ID=26288603

Family Applications (1)

Application Number Title Priority Date Filing Date
HK867/92A HK86792A (en) 1984-12-21 1992-11-05 Moulding process

Country Status (8)

Country Link
US (2) US5059368A (de)
EP (1) EP0188120B2 (de)
AU (1) AU585919B2 (de)
CA (1) CA1243462A (de)
DE (2) DE188120T1 (de)
GB (1) GB2170142B (de)
HK (1) HK86792A (de)
SG (1) SG88392G (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1243462A (en) * 1984-12-21 1988-10-25 Peter S. Allan Moulding process
FR2607430B1 (fr) * 1986-12-02 1989-05-12 Solomat Sa Procede et installation de fabrication d'un produit par injection de matiere dans un moule avec traitement de la matiere injectee
US5254298A (en) * 1986-12-02 1993-10-19 Solomat Partners, L.P. Plastic molding process with preconditioning and heat-treating of mold and plastic before rheological transformation
DE3810954A1 (de) * 1988-03-31 1989-10-19 Kloeckner Ferromatik Desma Verfahren und vorrichtung zum spritzgiessen von spritzgussteilen aus plastifizierbarem material, insbesondere aus plastifizierbaren fluessigkristall-polymeren
GB8900434D0 (en) * 1989-01-10 1989-03-08 Allan Peter S Improvements in or relating to methods and apparatus for the continuous formation of an extruded product
JPH0724328B2 (ja) * 1989-07-03 1995-03-15 ポリプラスチックス株式会社 精密細線回路用成形品の製造方法
DE3934115A1 (de) * 1989-10-12 1991-04-18 Kloeckner Ferromatik Desma Spritzgiessform fuer spritzgussteile aus plastifizierbarem material, insbesondere aus plastifizierbaren fluessigkristall-polymeren
US5069840A (en) * 1990-02-16 1991-12-03 Husky Injection Molding Systems Ltd. Molding plastic articles
US5192555A (en) * 1990-02-16 1993-03-09 Husky Injection Molding Systems Ltd. Apparatus for molding plastic articles
US5260012A (en) * 1990-02-16 1993-11-09 Husky Injection Molding Systems Ltd. Molding plastic articles
US5112212A (en) * 1991-05-02 1992-05-12 Husky Injection Molding Systems Ltd. Shooting pot with combined valve and piston
US5304338A (en) * 1992-04-02 1994-04-19 United Technologies Corporation Carbon fiber reinforced polyimide composites
US5494426A (en) * 1992-05-11 1996-02-27 Thermold Partners L.P. Vibrating wall surfaces for molding deformable materials
US5306129A (en) * 1992-05-11 1994-04-26 Solomat Partners, L.P. Molding deformable materials with use of vibrating wall surfaces
US5759647A (en) * 1993-04-28 1998-06-02 Nippon Petrochemicals Co., Ltd. Tubular article method for injection molding thereof
WO1995011122A1 (en) * 1993-10-18 1995-04-27 Thermold Partners L.P. Method and apparatus for injection molding
ES2114649T3 (es) * 1993-12-17 1998-06-01 Huber+Suhner Ag Procedimiento para el tratamiento de polimeros termoplasticos mediante moldeo por inyeccion.
WO1995026865A1 (en) * 1994-03-30 1995-10-12 Sankyokasei Kabushiki Kaisha Resin molding method and resin molding machine
US5538413A (en) * 1994-04-29 1996-07-23 University Of Massachusetts Lowell Apparatus for strengthening weld lines in molded parts
DE4415195C2 (de) * 1994-04-30 1996-09-19 Hoechst Ag Langfaserverstärkte Schrauben und Gewindestäbe aus thermoplastischen Kunststoffen, diese Schrauben und Gewindestäbe und Verfahren zu deren Herstellung
AU1552895A (en) * 1994-12-19 1996-07-10 Solomat Partners L.P. Transforming physical characteristics of a moldable material
GB2299779A (en) * 1995-04-11 1996-10-16 Brunel University Of West Lond Injection moulding of thermoplastic resin
US5851474A (en) * 1995-04-11 1998-12-22 Brunel University Of Uxbridge Injection molding with periodic forces to the material in the mold
US5770131A (en) * 1996-01-02 1998-06-23 Thermold Partners, L.P. Method and apparatus for applying an oscillating force on a molten material
US5882564A (en) * 1996-06-24 1999-03-16 Andersen Corporation Resin and wood fiber composite profile extrusion method
CN1059626C (zh) * 1996-07-05 2000-12-20 华南理工大学 电磁式聚合物动态注射成型方法及装置
GB2318757B (en) * 1996-11-01 2000-07-12 Univ Brunel Moulding process and article produced by the process
GB2321424A (en) * 1996-11-27 1998-07-29 Univ Warwick A moulding apparatus with means to stir flow fronts meeting in use
JPH11114990A (ja) * 1997-10-13 1999-04-27 Meiki Co Ltd 予備可塑化式射出装置とそれを用いた射出成形方法
JP3232035B2 (ja) * 1997-12-05 2001-11-26 日精樹脂工業株式会社 スクリュー式射出装置の制御方法
DE19802874A1 (de) * 1998-01-20 1999-07-22 Mannesmann Ag Spritzgießmaschine und Verfahren zum Betreiben einer solchen
FR2780677A1 (fr) * 1998-07-06 2000-01-07 Max Sardou Transfert de composite thermodurcissable fortement renforce, en vue de creer des pieces techniques a hautes proprietees mecaniques
JP3377963B2 (ja) * 1999-05-28 2003-02-17 日精樹脂工業株式会社 射出成形機用振動付与装置
US6290882B1 (en) 1999-06-07 2001-09-18 Galic Maus Ventures Llp Reduced-knitline thermoplastic injection molding using multi-gated non-sequential-fill method and apparatus, with a heating phase and a cooling phase in each molding cycle
US6861021B2 (en) 2002-04-16 2005-03-01 General Electric Company Molding tool construction and molding method
TW200709919A (en) * 2005-07-27 2007-03-16 Applied Materials Inc Method of hot wire welding of plastics
US20080150195A1 (en) * 2006-12-21 2008-06-26 Motorola, Inc. Multi-live feed injection molding

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120922B1 (en) * 1958-05-09 1996-07-16 Jerome H Lemelson Method for molding
US4288398A (en) * 1973-06-22 1981-09-08 Lemelson Jerome H Apparatus and method for controlling the internal structure of matter
US3616495B1 (en) * 1958-05-09 1994-11-22 Jerome H Lemelson Molding apparatus
DE1140340B (de) * 1958-04-30 1962-11-29 Ankerwerk Gebr Goller Schnecken-Spritzgiessmaschine zur Verarbeitung thermoplastischer Kunststoffe
GB1009654A (en) * 1962-08-17 1965-11-10 Union Carbide Corp Improved method and apparatus for processing thermoplastics
GB1067100A (en) * 1963-10-24 1967-05-03 Dow Chemical Co Injection molding technique, apparatus therefor and products therefrom
GB1220213A (en) * 1966-10-04 1971-01-20 Nat Res Dev Improvements in or relating to the alignment of fibrous material
GB1189141A (en) * 1966-04-04 1970-04-22 Dow Chemical Co An improved method for increasing the Crystallization Rate of Crystallizable Polymers
GB1175359A (en) * 1966-11-11 1969-12-23 Albert George Bodine Jr Non-Continuous Casting.
US3523147A (en) * 1967-09-28 1970-08-04 Usm Corp Plastication of thermoplastic materials
US3535743A (en) * 1967-11-15 1970-10-27 Tempcraft Tool & Mold Wax injection apparatus
AU454172B2 (en) * 1970-03-17 1974-10-08 Blindt Maatschappij Tot Exploitatie Van Kunststoffen En Bouwwerken. N. V Method of and apparatus for manufacturing moulded articles
DE2031657A1 (de) * 1970-06-26 1971-12-30 Krauss Maffei Ag Verfahren und Vorrichtung zum Betreiben einer Spritzgießmaschine
DE2205727A1 (de) * 1972-02-08 1973-08-16 Schoell Guenter Verfahren und vorrichtung zur erhoehung der festigkeit von koerpern aus thermoplasten mit oder ohne beigemischte fasern, durch ausrichtung der molekuelketten und/oder der fasern in richtung der zug- oder druckbeanspruchung der koerper
DE2321634A1 (de) * 1973-04-28 1974-11-14 Vowinckel Fa Joh J Verfahren zum herstellen dickwandiger platten aus einem polyolefin
FR2257408B1 (de) * 1973-09-25 1978-01-13 Billion Sa
US3981838A (en) * 1974-10-16 1976-09-21 Standard Oil Company (Indiana) Lubricant for polyvinyl chloride
DE2513594A1 (de) * 1975-03-27 1976-10-07 Schloemann Siemag Ag Formwerkzeug zur herstellung von formteilen aus einem ein treibmittel enthaltenden thermoplastischen kunststoff
US4098772A (en) * 1976-03-11 1978-07-04 The Upjohn Company Thermoplastic polyurethanes prepared with small amounts of monohydric alcohols
DE2614213A1 (de) * 1976-04-02 1977-10-20 Ver Foerderung Inst Kunststoff Verfahren und vorrichtung zum spritzgiessen von dickwandigen grossvolumigen kunststoff-formteilen in formwerkzeugen
DE2705291A1 (de) * 1977-02-09 1978-08-10 Schloemann Siemag Ag Verfahren und vorrichtung zur herstellung von formteilen aus thermoplastischem kunststoff
US4124308A (en) * 1977-06-21 1978-11-07 Beloit Corporation Sequential co-injection unit adapted for structural foam molding
GB2008023A (en) * 1977-08-24 1979-05-31 Daniels Stroud Ltd Vibrating moulding material during injection or extrusion
SE7810977L (sv) * 1978-10-20 1980-04-21 Kubat Josef Formsprutningsforfarande med anvendning av polymerblandningar innehallande hogmolekyler hogdensitetspolyeten
GB2046167B (en) * 1979-03-14 1983-11-30 Ibar J P Method for transforming the physical characteristics of a material
US4285751A (en) * 1979-05-10 1981-08-25 W. R. Grace & Co. Method of forming an improved battery separator
GB2085461B (en) * 1980-10-09 1984-12-12 Nat Res Dev Composite material for use in orthopaedics
US4429061A (en) * 1981-07-13 1984-01-31 Celanese Corporation Heat treated high performance foams of thermotropic liquid crystal polymers
US4627952A (en) * 1982-09-03 1986-12-09 Celanese Corporation Injection molding process
DE3238090A1 (de) * 1982-10-14 1984-04-19 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Formkoerper aus kunststoff
US4481324A (en) * 1983-02-25 1984-11-06 Glyco Inc. Polyglycerol plastic lubricants
GB8401297D0 (en) * 1984-01-18 1984-02-22 Vesely D Solvent treating polymers
EP0166038A1 (de) * 1984-05-30 1986-01-02 Celanese Corporation Spritzgiessverfahren
CA1243462A (en) * 1984-12-21 1988-10-25 Peter S. Allan Moulding process
US4925161B1 (en) * 1984-12-21 1994-12-20 British Tech Group Process for molding directionally-orientable material using shear force
GB8511152D0 (en) * 1985-05-02 1985-06-12 Univ Brunel Forming articles
US5069840A (en) * 1990-02-16 1991-12-03 Husky Injection Molding Systems Ltd. Molding plastic articles

Also Published As

Publication number Publication date
US5160466A (en) 1992-11-03
GB8531374D0 (en) 1986-02-05
AU5155585A (en) 1986-06-26
CA1243462A (en) 1988-10-25
EP0188120B2 (de) 1997-06-11
AU585919B2 (en) 1989-06-29
EP0188120A2 (de) 1986-07-23
EP0188120A3 (en) 1988-02-24
GB2170142A (en) 1986-07-30
SG88392G (en) 1993-02-19
GB2170142B (en) 1989-06-28
US5059368A (en) 1991-10-22
DE188120T1 (de) 1990-04-12
EP0188120B1 (de) 1990-06-27
DE3578397D1 (de) 1990-08-02

Similar Documents

Publication Publication Date Title
EP0188120B1 (de) Giessverfahren
US4925161A (en) Process for molding directionally-orientatable material using shear force
Wilkinson et al. Polymer processing and structure development
US6120714A (en) Moulding process and article produced by the process
US5851474A (en) Injection molding with periodic forces to the material in the mold
GB2104826A (en) Injection compression moulding process
CN101712789A (zh) 一种纤维增强注塑制品及其注塑成型方法
Darlington et al. Some features of the injection molding of short fiber reinforced thermoplastics in center sprue‐gated cavities
Qin et al. Simultaneously toughening and reinforcing high-density polyethylene via an industrial volume-pulsatile injection molding machine and Poly (ethylene terephthalate)
Allan et al. Development and application of multiple live-feed moulding for the management of fibres in moulded parts
Kantz The effects of melt processing variables on the morphology and properties of injection molded polypropylene
US5156858A (en) Apparatus for controlling the molding of a solid product in a mold cavity from molten material which is repeatedly moved within the mold cavity
US7883659B2 (en) Method for equalizing the orientation of fillers and/or distribution of fillers in injection moulded parts
Malzahn et al. Transverse core fiber alignment in short-fiber injection-molding
WO1996013368A1 (en) Injection molding process for the production of oriented thermoplastic and particulate matter composite articles
JPH043893B2 (de)
EP0191623A2 (de) Verfahren zur Herstellung von Formkörpern mit Sandwich-Struktur
Allan et al. Shear controlled orientation technology for the management of reinforcing fibres in moulded and extruded composite materials
JPH0318824B2 (de)
Ouarhim et al. Numerical, experimental and simulation study of natural fiber-based composites on injection molding
GB2299780A (en) Injection moulding process with periodic force application
Pinwill et al. Application of shear controlled orientation technology to powder injection moulding
JPH0522565B2 (de)
Ibar Control of performance of polymers and their blends through melt vibration technology. Critical review
Zhang et al. Control of fibre orientation in injection moulded ceramic composites

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20031220

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)