JPS5027866A - - Google Patents

Info

Publication number
JPS5027866A
JPS5027866A JP48079126A JP7912673A JPS5027866A JP S5027866 A JPS5027866 A JP S5027866A JP 48079126 A JP48079126 A JP 48079126A JP 7912673 A JP7912673 A JP 7912673A JP S5027866 A JPS5027866 A JP S5027866A
Authority
JP
Japan
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.)
Pending
Application number
JP48079126A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP48079126A priority Critical patent/JPS5027866A/ja
Priority to DE2433705A priority patent/DE2433705A1/de
Publication of JPS5027866A publication Critical patent/JPS5027866A/ja
Pending 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
    • B29C44/08—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
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

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)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP48079126A 1973-07-12 1973-07-12 Pending JPS5027866A (enrdf_load_html_response)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP48079126A JPS5027866A (enrdf_load_html_response) 1973-07-12 1973-07-12
DE2433705A DE2433705A1 (de) 1973-07-12 1974-07-12 Verfahren zur herstellung eines formstuecks aus geschaeumtem kunststoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48079126A JPS5027866A (enrdf_load_html_response) 1973-07-12 1973-07-12

Publications (1)

Publication Number Publication Date
JPS5027866A true JPS5027866A (enrdf_load_html_response) 1975-03-22

Family

ID=13681231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48079126A Pending JPS5027866A (enrdf_load_html_response) 1973-07-12 1973-07-12

Country Status (2)

Country Link
JP (1) JPS5027866A (enrdf_load_html_response)
DE (1) DE2433705A1 (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608033A (ja) * 1983-06-27 1985-01-16 Kureha Chem Ind Co Ltd 熱可塑性樹脂円筒状物の冷却方法と装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8503416D0 (sv) * 1985-07-10 1985-07-10 Lagomat Ab Forfarande for framstelllning av skalformade gjutkonstruktioner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845997A (en) * 1954-03-09 1958-08-05 Curtiss Wright Corp Foamed plastic seat and the like
US2908943A (en) * 1957-10-25 1959-10-20 Bill Jack Scient Instr Co Process for molding two-layer polyurethane articles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845997A (en) * 1954-03-09 1958-08-05 Curtiss Wright Corp Foamed plastic seat and the like
US2908943A (en) * 1957-10-25 1959-10-20 Bill Jack Scient Instr Co Process for molding two-layer polyurethane articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608033A (ja) * 1983-06-27 1985-01-16 Kureha Chem Ind Co Ltd 熱可塑性樹脂円筒状物の冷却方法と装置

Also Published As

Publication number Publication date
DE2433705A1 (de) 1975-05-07

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