BR7702999A - Processo para a producao de laminas tubulares de poliestireno espumado - Google Patents

Processo para a producao de laminas tubulares de poliestireno espumado

Info

Publication number
BR7702999A
BR7702999A BR7702999A BR7702999A BR7702999A BR 7702999 A BR7702999 A BR 7702999A BR 7702999 A BR7702999 A BR 7702999A BR 7702999 A BR7702999 A BR 7702999A BR 7702999 A BR7702999 A BR 7702999A
Authority
BR
Brazil
Prior art keywords
lamins
production
foamed polystyrene
tubular
polystyrene tubular
Prior art date
Application number
BR7702999A
Other languages
English (en)
Portuguese (pt)
Inventor
K Kolosson
Original Assignee
Berstorff Gmbh Masch Hermann
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 Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Publication of BR7702999A publication Critical patent/BR7702999A/pt

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
BR7702999A 1976-05-10 1977-05-09 Processo para a producao de laminas tubulares de poliestireno espumado BR7702999A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7702999A true BR7702999A (pt) 1978-03-28

Family

ID=5977512

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7702999A BR7702999A (pt) 1976-05-10 1977-05-09 Processo para a producao de laminas tubulares de poliestireno espumado

Country Status (7)

Country Link
JP (1) JPS52136271A (enrdf_load_stackoverflow)
BR (1) BR7702999A (enrdf_load_stackoverflow)
ES (1) ES458622A1 (enrdf_load_stackoverflow)
FI (1) FI771008A7 (enrdf_load_stackoverflow)
FR (1) FR2350946A1 (enrdf_load_stackoverflow)
IT (1) IT1075532B (enrdf_load_stackoverflow)
SE (1) SE7705381L (enrdf_load_stackoverflow)

Families Citing this family (1)

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

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 (enrdf_load_stackoverflow) * 1967-08-04 1971-05-05
FR1600010A (enrdf_load_stackoverflow) * 1968-03-23 1970-07-20
DE1778104A1 (de) * 1968-03-27 1971-07-29 Huels Chemische Werke Ag Verfahren zur Herstellung von feinzelligen geschaeumten Formkoerpern aus thermoplastischen Kunststoffen durch Extrudieren eines Gemisches aus einem thermoplastischen Kunststoff,einem niedrigsiedenden Treibmittel und einem Porenregler
GB1328362A (en) * 1970-10-19 1973-08-30 Ici Ltd Dispersion of materials in thermoplastics

Also Published As

Publication number Publication date
JPS52136271A (en) 1977-11-14
ES458622A1 (es) 1978-02-01
IT1075532B (it) 1985-04-22
SE7705381L (sv) 1977-11-11
FI771008A7 (enrdf_load_stackoverflow) 1977-11-11
FR2350946A1 (fr) 1977-12-09

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