GB1255970A - Improvements in or relating to the production of laminar articles - Google Patents

Improvements in or relating to the production of laminar articles

Info

Publication number
GB1255970A
GB1255970A GB61963/68A GB6196368A GB1255970A GB 1255970 A GB1255970 A GB 1255970A GB 61963/68 A GB61963/68 A GB 61963/68A GB 6196368 A GB6196368 A GB 6196368A GB 1255970 A GB1255970 A GB 1255970A
Authority
GB
United Kingdom
Prior art keywords
mould
injected
composition
cavity
charge
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
GB61963/68A
Other languages
English (en)
Inventor
Paul Johnson Garner
David Fairclough 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
Priority to GB61963/68A priority Critical patent/GB1255970A/en
Priority to JP44105320A priority patent/JPS501899B1/ja
Priority to DE1965368A priority patent/DE1965368C3/de
Priority to SE18110/69A priority patent/SE355527B/xx
Priority to ES375022A priority patent/ES375022A1/es
Priority to ZA699006*A priority patent/ZA699006B/xx
Priority to CH1944069A priority patent/CH493329A/de
Priority to NL6919545A priority patent/NL6919545A/xx
Priority to FR6945720A priority patent/FR2027489B1/fr
Priority to BE743980D priority patent/BE743980A/xx
Publication of GB1255970A publication Critical patent/GB1255970A/en
Priority to US288328A priority patent/US3883629A/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
    • 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
    • B29C44/08—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 using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B29C2045/563—Enlarging the mould cavity during injection
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Laminated Bodies (AREA)
GB61963/68A 1968-12-31 1968-12-31 Improvements in or relating to the production of laminar articles Expired GB1255970A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GB61963/68A GB1255970A (en) 1968-12-31 1968-12-31 Improvements in or relating to the production of laminar articles
JP44105320A JPS501899B1 (xx) 1968-12-31 1969-12-29
ZA699006*A ZA699006B (en) 1968-12-31 1969-12-30 Improvements in or relating to the production of laminar articles
SE18110/69A SE355527B (xx) 1968-12-31 1969-12-30
ES375022A ES375022A1 (es) 1968-12-31 1969-12-30 Procedimiento para la produccion de articulos laminados.
DE1965368A DE1965368C3 (de) 1968-12-31 1969-12-30 Verfahren zur Herstellung von Schichtstoffen durch aufeinanderfolgendes Einspritzen von mindestens zwei Chargen aus Kunststoffmaterial in einen Formhohlraum
CH1944069A CH493329A (de) 1968-12-31 1969-12-30 Verfahren zur Herstellung von Laminaten und deren Verwendung
NL6919545A NL6919545A (xx) 1968-12-31 1969-12-30
FR6945720A FR2027489B1 (xx) 1968-12-31 1969-12-31
BE743980D BE743980A (xx) 1968-12-31 1969-12-31
US288328A US3883629A (en) 1968-12-31 1972-09-12 Injection molding of laminar articles having a foam core and an integral skin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB61963/68A GB1255970A (en) 1968-12-31 1968-12-31 Improvements in or relating to the production of laminar articles

Publications (1)

Publication Number Publication Date
GB1255970A true GB1255970A (en) 1971-12-08

Family

ID=10487711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61963/68A Expired GB1255970A (en) 1968-12-31 1968-12-31 Improvements in or relating to the production of laminar articles

Country Status (10)

Country Link
JP (1) JPS501899B1 (xx)
BE (1) BE743980A (xx)
CH (1) CH493329A (xx)
DE (1) DE1965368C3 (xx)
ES (1) ES375022A1 (xx)
FR (1) FR2027489B1 (xx)
GB (1) GB1255970A (xx)
NL (1) NL6919545A (xx)
SE (1) SE355527B (xx)
ZA (1) ZA699006B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718382A1 (fr) * 1994-04-12 1995-10-13 Renault Procédé de moulage d'une charnière plastique et charnière obtenue par ce procédé.
EP1923194A1 (de) 2006-11-14 2008-05-21 Felo-Werkzeugfabrik Holland-Letz Gmbh Verfahren zur Herstellung eines Griffes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390487A (en) * 1982-01-26 1983-06-28 Rca Corporation Method of making a laminated recorded disc
ES2134306T3 (es) * 1993-11-05 1999-10-01 Battenfeld Gmbh Procedimiento y dispositivo de colada por inyeccion de articulos multicapa.
US5902534A (en) * 1994-09-21 1999-05-11 Mitsubishi Engineering-Plastics Corp. Method of injection-molding thermoplastic resins
JP3643671B2 (ja) * 1997-04-01 2005-04-27 三井化学株式会社 自動車外装用部品の成形方法、その成形方法で使用される積層フィルムまたはシート、およびその自動車外装用部品

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL279724A (xx) * 1961-06-20
US3363039A (en) * 1963-08-09 1968-01-09 Asahi Dow Ltd Injection molding processes for thermoplastic materials
GB1156217A (en) * 1967-05-03 1969-06-25 Ici Ltd Process for the Production of Cellular Articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2718382A1 (fr) * 1994-04-12 1995-10-13 Renault Procédé de moulage d'une charnière plastique et charnière obtenue par ce procédé.
EP1923194A1 (de) 2006-11-14 2008-05-21 Felo-Werkzeugfabrik Holland-Letz Gmbh Verfahren zur Herstellung eines Griffes

Also Published As

Publication number Publication date
ES375022A1 (es) 1972-03-01
FR2027489A1 (xx) 1970-09-25
DE1965368C3 (de) 1975-04-10
DE1965368A1 (de) 1970-07-16
ZA699006B (en) 1971-08-25
CH493329A (de) 1970-07-15
NL6919545A (xx) 1970-07-02
SE355527B (xx) 1973-04-30
BE743980A (xx) 1970-06-30
DE1965368B2 (de) 1972-11-23
FR2027489B1 (xx) 1973-12-21
JPS501899B1 (xx) 1975-01-22

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