FR2061375A5 - - Google Patents

Info

Publication number
FR2061375A5
FR2061375A5 FR7033223A FR7033223A FR2061375A5 FR 2061375 A5 FR2061375 A5 FR 2061375A5 FR 7033223 A FR7033223 A FR 7033223A FR 7033223 A FR7033223 A FR 7033223A FR 2061375 A5 FR2061375 A5 FR 2061375A5
Authority
FR
France
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
FR7033223A
Other languages
French (fr)
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 FR2061375A5 publication Critical patent/FR2061375A5/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
    • 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
    • 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
FR7033223A 1969-09-15 1970-09-14 Expired FR2061375A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4529569A GB1281723A (en) 1969-09-15 1969-09-15 Injection moulding of laminar articles

Publications (1)

Publication Number Publication Date
FR2061375A5 true FR2061375A5 (en) 1971-06-18

Family

ID=10436664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7033223A Expired FR2061375A5 (en) 1969-09-15 1970-09-14

Country Status (6)

Country Link
JP (1) JPS5019140B1 (en)
BE (1) BE756186A (en)
DE (1) DE2045362B2 (en)
FR (1) FR2061375A5 (en)
GB (1) GB1281723A (en)
NL (1) NL7013391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530181A1 (en) * 1982-07-16 1984-01-20 Essilor Int METHOD AND DEVICE FOR MOLDING AN OPTICAL MEMBER IN SYNTHETIC MATERIAL

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257408B1 (en) * 1973-09-25 1978-01-13 Billion Sa
JPS5434943U (en) * 1977-07-14 1979-03-07
US4438062A (en) 1983-04-14 1984-03-20 The General Tire & Rubber Company In-mold coating method
ATE180433T1 (en) * 1993-11-05 1999-06-15 Battenfeld Gmbh METHOD AND DEVICE FOR INJECTION MOLDING MULTI-LAYER OBJECTS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530181A1 (en) * 1982-07-16 1984-01-20 Essilor Int METHOD AND DEVICE FOR MOLDING AN OPTICAL MEMBER IN SYNTHETIC MATERIAL
US4569807A (en) * 1982-07-16 1986-02-11 Essilor International Cie Generale D'optique Method and apparatus for molding optical components

Also Published As

Publication number Publication date
NL7013391A (en) 1971-03-17
JPS5019140B1 (en) 1975-07-04
GB1281723A (en) 1972-07-12
DE2045362A1 (en) 1971-03-25
DE2045362B2 (en) 1974-01-17
BE756186A (en) 1971-03-15

Similar Documents

Publication Publication Date Title
AU2270770A (en)
FR2062690A5 (en)
FR2061375A5 (en)
AU2355770A (en)
AU470301B1 (en)
AU5113869A (en)
AU470661B1 (en)
AT308690B (en)
CS148361B1 (en)
AR203167Q (en)
AU4923469A (en)
AU4949169A (en)
AU5077469A (en)
AU5079269A (en)
AU5109569A (en)
AU1036070A (en)
CS148829B1 (en)
CS149753B1 (en)
BE741304A (en)
CH569986A5 (en)
BG20316A3 (en)
BG17510A3 (en)
BE750947A (en)
CH1932169A4 (en)
BE740634A (en)

Legal Events

Date Code Title Description
ST Notification of lapse