JPS52136271A - Process for manufacture of thin tube using polystyrene foam - Google Patents

Process for manufacture of thin tube using polystyrene foam

Info

Publication number
JPS52136271A
JPS52136271A JP5271177A JP5271177A JPS52136271A JP S52136271 A JPS52136271 A JP S52136271A JP 5271177 A JP5271177 A JP 5271177A JP 5271177 A JP5271177 A JP 5271177A JP S52136271 A JPS52136271 A JP S52136271A
Authority
JP
Japan
Prior art keywords
manufacture
thin tube
polystyrene foam
polystyrene
foam
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.)
Pending
Application number
JP5271177A
Other languages
Japanese (ja)
Inventor
Deiiteru Korotsusoo Kurausu
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.)
KraussMaffei Berstorff GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of JPS52136271A publication Critical patent/JPS52136271A/en
Pending 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
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C44/507—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 an annular die
    • 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
    • B29L2023/00—Tubular articles

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP5271177A 1976-05-10 1977-05-10 Process for manufacture of thin tube using polystyrene foam Pending JPS52136271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2620552 1976-05-10

Publications (1)

Publication Number Publication Date
JPS52136271A true JPS52136271A (en) 1977-11-14

Family

ID=5977512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5271177A Pending JPS52136271A (en) 1976-05-10 1977-05-10 Process for manufacture of thin tube using polystyrene foam

Country Status (7)

Country Link
JP (1) JPS52136271A (en)
BR (1) BR7702999A (en)
ES (1) ES458622A1 (en)
FI (1) FI771008A (en)
FR (1) FR2350946A1 (en)
IT (1) IT1075532B (en)
SE (1) SE7705381L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106626U (en) * 1986-12-27 1988-07-09

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368008A (en) * 1964-01-09 1968-02-06 Azuma Kimikazu Method for producing foamable thermoplastic resin composition
US3287477A (en) * 1964-11-12 1966-11-22 Koppers Co Inc Process and apparatus for extruding a foamed plastic
GB1230992A (en) * 1967-08-04 1971-05-05
FR1600010A (en) * 1968-03-23 1970-07-20
DE1778104A1 (en) * 1968-03-27 1971-07-29 Huels Chemische Werke Ag Process for the production of fine-cell foamed moldings made of thermoplastics by extruding a mixture of a thermoplastic, a low-boiling propellant and a pore regulator
GB1328362A (en) * 1970-10-19 1973-08-30 Ici Ltd Dispersion of materials in thermoplastics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106626U (en) * 1986-12-27 1988-07-09
JPH0517224Y2 (en) * 1986-12-27 1993-05-10

Also Published As

Publication number Publication date
BR7702999A (en) 1978-03-28
IT1075532B (en) 1985-04-22
FR2350946A1 (en) 1977-12-09
ES458622A1 (en) 1978-02-01
FI771008A (en) 1977-11-11
SE7705381L (en) 1977-11-11

Similar Documents

Publication Publication Date Title
JPS52110775A (en) Process for manufacture of fiberrretnforced foam
JPS5316799A (en) Process for producing rigid foam of urethaneedenatured polyisocyanurate
JPS52110774A (en) Process for manufacture of resin foam
JPS5322570A (en) Process for manufacture of molded polystyrene foam structure
JPS53121068A (en) Production of foamed polystyrene
JPS5351299A (en) Process for producing coldsetting foam
GB1545992A (en) Process for making polystyrene
JPS52117957A (en) Process for manufacture of polystyrene foam
JPS52136271A (en) Process for manufacture of thin tube using polystyrene foam
JPS5285145A (en) Process for manufacture of 22halocyclobutanone
JPS5217573A (en) Process for producing polystyrene foam
JPS5311962A (en) Process for manufacture of expandable polystyrene powder
JPS52117956A (en) Process for manufacture of expandable polystyrene
JPS5317661A (en) Process for manufacture of foamed material
JPS5347462A (en) Method of producing polystyrene film
JPS5291070A (en) Process for manufacture of foam sheet
JPS5294366A (en) Process for manufacture of polystyrene foam
JPS52124068A (en) Process for manufacture of polyethylene foam
JPS5217574A (en) Process for producing polystyrene foam
JPS534063A (en) Method for purification of polystyrene
JPS52114664A (en) Process for manufacture of polystyrene resin foam
JPS5319378A (en) Process for manufacture of foamed material
JPS52155674A (en) Process for manufacture of foamed resilient material
JPS52109566A (en) Process for manufacture of polyethylene foam
JPS52151360A (en) Process for manufacture of foamed product