FI63887C - Foerfarande foer framstaellning av en seg skiva av termoplastiskt hartsskum - Google Patents

Foerfarande foer framstaellning av en seg skiva av termoplastiskt hartsskum Download PDF

Info

Publication number
FI63887C
FI63887C FI752939A FI752939A FI63887C FI 63887 C FI63887 C FI 63887C FI 752939 A FI752939 A FI 752939A FI 752939 A FI752939 A FI 752939A FI 63887 C FI63887 C FI 63887C
Authority
FI
Finland
Prior art keywords
sheet
foam
thickness
cells
density
Prior art date
Application number
FI752939A
Other languages
English (en)
Finnish (fi)
Other versions
FI63887B (fi
FI752939A (da
Inventor
Mitsuo Inui
George Murota
Akira Kasai
Naonori Shiina
Yoshikazu Kashiwa
Original Assignee
Furukawa Electric Co 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
Priority claimed from JP49121600A external-priority patent/JPS5759057B2/ja
Priority claimed from JP1974140268U external-priority patent/JPS5745152Y2/ja
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of FI752939A publication Critical patent/FI752939A/fi
Publication of FI63887B publication Critical patent/FI63887B/fi
Application granted granted Critical
Publication of FI63887C publication Critical patent/FI63887C/fi

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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/35—Component parts; Details or accessories
    • B29C44/352—Means for giving the foam different characteristics in different directions
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
FI752939A 1974-10-22 1975-10-21 Foerfarande foer framstaellning av en seg skiva av termoplastiskt hartsskum FI63887C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP49121600A JPS5759057B2 (da) 1974-10-22 1974-10-22
JP12160074 1974-10-22
JP1974140268U JPS5745152Y2 (da) 1974-11-20 1974-11-20
JP14026874 1974-11-20

Publications (3)

Publication Number Publication Date
FI752939A FI752939A (da) 1976-04-23
FI63887B FI63887B (fi) 1983-05-31
FI63887C true FI63887C (fi) 1983-09-12

Family

ID=26458911

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752939A FI63887C (fi) 1974-10-22 1975-10-21 Foerfarande foer framstaellning av en seg skiva av termoplastiskt hartsskum

Country Status (6)

Country Link
AU (1) AU498581B2 (da)
DE (1) DE2547082C3 (da)
FI (1) FI63887C (da)
FR (1) FR2289321A1 (da)
GB (1) GB1518847A (da)
IT (1) IT1043509B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0725123B2 (ja) * 1986-08-04 1995-03-22 ダウ化工株式会社 スチレン系樹脂発泡体の製造方法
NL2015138B1 (en) 2015-07-10 2017-02-01 Fits Holding Bv Method of manufacturing a sandwich panel.
DE102020131363A1 (de) 2020-10-13 2022-04-14 Aco Ahlmann Se & Co. Kg Bauprodukt und Verfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945261A (en) * 1956-05-31 1960-07-19 Monsanto Chemicals Preparation of foamed thermoplastic resin forms having wrinkle-free profile surfaces
US3374300A (en) * 1963-10-12 1968-03-19 Azuma Kimikazu Process and apparatus for the continuous production of polystyrenic foam materials
SE313180B (da) * 1964-06-02 1969-08-04 Monsanto Chemicals
NL6514022A (da) * 1965-10-29 1967-05-02
BE757054R (fr) * 1969-10-06 1971-04-05 Monsanto Chemicals Perfectionnements aux mousses de
JPS4848562A (da) * 1971-10-23 1973-07-10

Also Published As

Publication number Publication date
DE2547082A1 (de) 1976-05-06
AU498581B2 (en) 1979-03-15
FR2289321A1 (fr) 1976-05-28
DE2547082C3 (de) 1982-03-11
FI63887B (fi) 1983-05-31
DE2547082B2 (de) 1978-08-31
IT1043509B (it) 1980-02-29
GB1518847A (en) 1978-07-26
FR2289321B1 (da) 1978-04-07
FI752939A (da) 1976-04-23
AU8586675A (en) 1977-04-28

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: THE FURUKAWA ELECTRIC CO. LTD.