IT1091985B - Dispositivo per la preparazione di fogli di materia plastica espansa - Google Patents

Dispositivo per la preparazione di fogli di materia plastica espansa

Info

Publication number
IT1091985B
IT1091985B IT19710/78A IT1971078A IT1091985B IT 1091985 B IT1091985 B IT 1091985B IT 19710/78 A IT19710/78 A IT 19710/78A IT 1971078 A IT1971078 A IT 1971078A IT 1091985 B IT1091985 B IT 1091985B
Authority
IT
Italy
Prior art keywords
preparation
plastic sheets
expanded plastic
expanded
sheets
Prior art date
Application number
IT19710/78A
Other languages
English (en)
Other versions
IT7819710A0 (it
Inventor
Kolossow Klaus Dieter
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 IT7819710A0 publication Critical patent/IT7819710A0/it
Application granted granted Critical
Publication of IT1091985B publication Critical patent/IT1091985B/it

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
    • B29C44/36—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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
IT19710/78A 1977-02-02 1978-01-27 Dispositivo per la preparazione di fogli di materia plastica espansa IT1091985B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2704231A DE2704231C2 (de) 1977-02-02 1977-02-02 Vorrichtung zur Herstellung von Folien aus expandierbarem Kunststoff

Publications (2)

Publication Number Publication Date
IT7819710A0 IT7819710A0 (it) 1978-01-27
IT1091985B true IT1091985B (it) 1985-07-06

Family

ID=6000152

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19710/78A IT1091985B (it) 1977-02-02 1978-01-27 Dispositivo per la preparazione di fogli di materia plastica espansa

Country Status (7)

Country Link
US (1) US4160638A (it)
DE (1) DE2704231C2 (it)
FR (1) FR2379365A1 (it)
GB (1) GB1573285A (it)
IT (1) IT1091985B (it)
SU (1) SU701523A3 (it)
YU (1) YU23178A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE429941B (sv) * 1978-08-22 1983-10-10 Tetra Pak Dev Sett och anordning for tillverkning av en materialbana av skummad termoplast
US4342719A (en) * 1980-06-23 1982-08-03 Isenhour Brick & Tile Co., Inc. Method and apparatus for making textured bricks
US4304541A (en) * 1980-06-23 1981-12-08 Isenhour Brick & Tile Company, Inc. Apparatus for making textured bricks
US4465649A (en) * 1982-12-20 1984-08-14 Mobil Oil Corporation Method and system for extruding tubular foamed polymer sheet
US5525289A (en) * 1995-01-30 1996-06-11 Lupke; Manfred A. A. Method and apparatus for cooling hollow molded product
US5945048A (en) * 1995-03-25 1999-08-31 Ensinger; Wilfried Process and device for extruding polymer melts to form hollow chamber sections
AU3967699A (en) * 1998-05-27 1999-12-13 Dow Chemical Company, The Vehicle headliner comprised of a thermoformable thermoplastic foam sheet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA673305A (en) * 1963-10-29 T. Hathaway Charles Extruder with mandrel
BE609675A (it) * 1960-10-28 1900-01-01
US3193547A (en) * 1961-09-07 1965-07-06 Gloucester Eng Co Inc Method and apparatus for extruding plastic
GB1408039A (en) * 1972-09-26 1975-10-15 Takiron Co Process and apparatus for continuously producing a sheet of a thermoplastic synthetic resin
US4009976A (en) * 1973-09-04 1977-03-01 Mobil Oil Corporation Apparatus for producing a foamed polystyrene sheet having a density gradient decreasing from the external surfaces inwardly

Also Published As

Publication number Publication date
SU701523A3 (ru) 1979-11-30
FR2379365A1 (fr) 1978-09-01
US4160638A (en) 1979-07-10
DE2704231A1 (de) 1978-08-03
FR2379365B1 (it) 1983-02-04
DE2704231C2 (de) 1983-05-19
GB1573285A (en) 1980-08-20
IT7819710A0 (it) 1978-01-27
YU23178A (en) 1982-06-30

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