CA964424A - Injection moulding process - Google Patents

Injection moulding process

Info

Publication number
CA964424A
CA964424A CA104,312A CA104312A CA964424A CA 964424 A CA964424 A CA 964424A CA 104312 A CA104312 A CA 104312A CA 964424 A CA964424 A CA 964424A
Authority
CA
Canada
Prior art keywords
injection moulding
moulding process
injection
moulding
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
CA104,312A
Other languages
English (en)
Other versions
CA104312S (en
Inventor
David F. Oxley
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA964424A publication Critical patent/CA964424A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA104,312A 1970-02-06 1971-02-02 Injection moulding process Expired CA964424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB579270 1970-02-06

Publications (1)

Publication Number Publication Date
CA964424A true CA964424A (en) 1975-03-18

Family

ID=9802711

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104,312A Expired CA964424A (en) 1970-02-06 1971-02-02 Injection moulding process

Country Status (6)

Country Link
BE (1) BE762436A (de)
CA (1) CA964424A (de)
DE (1) DE2105198A1 (de)
FR (1) FR2079295B1 (de)
GB (1) GB1305224A (de)
NL (1) NL7101347A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59383B2 (ja) * 1977-01-05 1984-01-06 旭化成株式会社 型物の成形法
DE2755336C2 (de) * 1977-12-12 1982-09-16 Gebr. Thonet Ag, 3558 Frankenberg Mit Füßen zu verbindende Platte
FR2579128B3 (fr) * 1985-03-25 1987-07-10 Cibie Projecteurs Procede de realisation d'un reflecteur pour projecteur, notamment de vehicule automobile, par injection moulage-bi-matiere; moule pour la mise en oeuvre de ce procede et produit obtenu
IT1211375B (it) * 1987-09-30 1989-10-18 Fiat Auto Spa Carrozzeria dell autoveicolo procedimento per la produzione mediante stampaggio ad iniezione di elementi strutturali di materiale plastico termoindurente particolarmente di parti componenti della
FR2631883B1 (fr) * 1988-05-27 1990-08-24 Neiman Sa Procede et dispositif d'injection d'au moins deux matieres constituant un reflecteur et reflecteur ainsi obtenu
BE1002899A6 (nl) * 1989-03-03 1991-07-16 Recticel Werkwijze voor het vervaardigen van voorwerpen met een elastomeren buitenwand en een kunststofschuim kern.
DE4206447A1 (de) * 1992-02-27 1993-09-02 Henniges Elastomer Kunststoff Verfahren und vorrichtung zum spritzgiessen von vernetzbaren formmassen
DE4206450A1 (de) * 1992-02-27 1993-09-23 Henniges Elastomer Kunststoff Verfahren und vorrichtung zum taktgesteuerten spritzgiessen von formteilen aus vernetzbaren formmassen
GB9204730D0 (en) * 1992-03-05 1992-04-15 Rover Group A method of forming a moulding by dual injection and a moulding formed in accordance with such a method
AT2516U1 (de) * 1997-07-30 1998-12-28 Engel Gmbh Maschbau Verfahren zum spritzgiessen von gegenständen
FR2811607A1 (fr) * 2000-07-12 2002-01-18 Menzolit Procede pour fabriquer des pieces par injection d'au moins deux materiaux polymeriques differents et utilisation de ces pieces
KR100482427B1 (ko) * 2003-12-19 2005-04-14 박장원 성형몸체와 내부 공동구조체가 일체형으로 형성되는 가교발포성형체와 그 성형방법

Also Published As

Publication number Publication date
FR2079295A1 (de) 1971-11-12
BE762436A (fr) 1971-08-02
FR2079295B1 (de) 1975-01-17
NL7101347A (de) 1971-08-10
DE2105198A1 (de) 1972-02-17
GB1305224A (de) 1973-01-31

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