GB2213094B - Method for making foamed articles having a laminated structure - Google Patents

Method for making foamed articles having a laminated structure

Info

Publication number
GB2213094B
GB2213094B GB8906092A GB8906092A GB2213094B GB 2213094 B GB2213094 B GB 2213094B GB 8906092 A GB8906092 A GB 8906092A GB 8906092 A GB8906092 A GB 8906092A GB 2213094 B GB2213094 B GB 2213094B
Authority
GB
United Kingdom
Prior art keywords
laminated structure
foamed articles
making foamed
making
articles
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 - Fee Related
Application number
GB8906092A
Other versions
GB2213094A (en
GB8906092D0 (en
Inventor
Nobuhisa Fuchigami
Hiroya Fukuda
Takeo Yoshida
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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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
Priority claimed from JP60247350A external-priority patent/JPS62105612A/en
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Priority to GB8906092A priority Critical patent/GB2213094B/en
Publication of GB8906092D0 publication Critical patent/GB8906092D0/en
Publication of GB2213094A publication Critical patent/GB2213094A/en
Application granted granted Critical
Publication of GB2213094B publication Critical patent/GB2213094B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C44/0476—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 by pouring more than one composition into an open mould
    • 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
    • B29C44/04—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
    • B29C44/0469—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 provided with physical separators between the different materials, e.g. separating layers, mould walls
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
GB8906092A 1985-11-05 1989-03-16 Method for making foamed articles having a laminated structure Expired - Fee Related GB2213094B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8906092A GB2213094B (en) 1985-11-05 1989-03-16 Method for making foamed articles having a laminated structure

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP60247350A JPS62105612A (en) 1985-11-05 1985-11-05 Manufacture of foamed material product having laminated structure
GB8626392A GB2182604B (en) 1985-11-05 1986-11-05 Method for making foamed articles having a laminated structure
GB8906092A GB2213094B (en) 1985-11-05 1989-03-16 Method for making foamed articles having a laminated structure

Publications (3)

Publication Number Publication Date
GB8906092D0 GB8906092D0 (en) 1989-04-26
GB2213094A GB2213094A (en) 1989-08-09
GB2213094B true GB2213094B (en) 1990-04-04

Family

ID=26291494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906092A Expired - Fee Related GB2213094B (en) 1985-11-05 1989-03-16 Method for making foamed articles having a laminated structure

Country Status (1)

Country Link
GB (1) GB2213094B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2233926A (en) * 1989-06-29 1991-01-23 Bp Chem Int Ltd Process for producing multihardness foamed articles
NL1017380C2 (en) * 2001-02-16 2002-08-19 Corus Technology B V Method and device for producing a sandwich panel, and sandwich panel thus produced.

Also Published As

Publication number Publication date
GB2213094A (en) 1989-08-09
GB8906092D0 (en) 1989-04-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001105