IT1144439B - Procedimento per la produzione di pannelli di polistirolo espanso o simile materiale dispositivo per l esecuzione del procedimento e prodotto ottenuto - Google Patents
Procedimento per la produzione di pannelli di polistirolo espanso o simile materiale dispositivo per l esecuzione del procedimento e prodotto ottenutoInfo
- Publication number
- IT1144439B IT1144439B IT68043/81A IT6804381A IT1144439B IT 1144439 B IT1144439 B IT 1144439B IT 68043/81 A IT68043/81 A IT 68043/81A IT 6804381 A IT6804381 A IT 6804381A IT 1144439 B IT1144439 B IT 1144439B
- Authority
- IT
- Italy
- Prior art keywords
- panels
- procedure
- expanded
- box
- expanded polystyrene
- Prior art date
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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
- B29C44/3434—Heating by introducing steam in the mould by using a sheet, grid, etc. to distribute the steam in the mould
-
- 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
- B29C44/10—Applying counter-pressure during expanding
-
- 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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
-
- 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
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/256—Sheets, plates, blanks or films
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/15—Aging of foamed resin products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Molding Of Porous Articles (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Buffer Packaging (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68043/81A IT1144439B (it) | 1981-07-27 | 1981-07-27 | Procedimento per la produzione di pannelli di polistirolo espanso o simile materiale dispositivo per l esecuzione del procedimento e prodotto ottenuto |
AT82105521T ATE22038T1 (de) | 1981-07-27 | 1982-06-23 | Vorrichtung zur herstellung von paneelen aus expandiertem polystyrol. |
DE8282105521T DE3273165D1 (en) | 1981-07-27 | 1982-06-23 | Apparatus for production of expanded polystyrene panels |
EP82105521A EP0071016B1 (en) | 1981-07-27 | 1982-06-23 | Apparatus for production of expanded polystyrene panels |
CA000406511A CA1185759A (en) | 1981-07-27 | 1982-07-02 | Method for production of expanded polystyrene panels |
US06/394,581 US4456573A (en) | 1981-07-27 | 1982-07-02 | Method for the production of aged and expanded polystyrene panels |
JP57124976A JPS5833434A (ja) | 1981-07-27 | 1982-07-16 | 発泡ポリスチレン製パネルの製造方法とその製造装置 |
FI822582A FI822582L (fi) | 1981-07-27 | 1982-07-21 | Foerfarande och anordning foer framstaellning av poroesa polystyrenskivor |
AU86314/82A AU552369B2 (en) | 1981-07-27 | 1982-07-22 | Expanded polystyrene panels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68043/81A IT1144439B (it) | 1981-07-27 | 1981-07-27 | Procedimento per la produzione di pannelli di polistirolo espanso o simile materiale dispositivo per l esecuzione del procedimento e prodotto ottenuto |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8168043A0 IT8168043A0 (it) | 1981-07-27 |
IT1144439B true IT1144439B (it) | 1986-10-29 |
Family
ID=11307410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68043/81A IT1144439B (it) | 1981-07-27 | 1981-07-27 | Procedimento per la produzione di pannelli di polistirolo espanso o simile materiale dispositivo per l esecuzione del procedimento e prodotto ottenuto |
Country Status (9)
Country | Link |
---|---|
US (1) | US4456573A (it) |
EP (1) | EP0071016B1 (it) |
JP (1) | JPS5833434A (it) |
AT (1) | ATE22038T1 (it) |
AU (1) | AU552369B2 (it) |
CA (1) | CA1185759A (it) |
DE (1) | DE3273165D1 (it) |
FI (1) | FI822582L (it) |
IT (1) | IT1144439B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4925606A (en) * | 1989-10-10 | 1990-05-15 | Arco Chemical Technology, Inc. | Method for enhancing thermal expandability of direct-injection foams |
USRE34123E (en) * | 1989-10-10 | 1992-11-10 | Arco Chemical Technology, L.P. | Method for enhancing thermal expandability of direct-injection foams |
EP0434024B1 (en) * | 1989-12-21 | 1995-03-08 | Jsp Corporation | Molding apparatus and its use for a production process of expansion-molded articles |
US6248210B1 (en) * | 1998-11-13 | 2001-06-19 | Fort James Corporation | Method for maximizing water removal in a press nip |
JP2002067067A (ja) * | 2000-08-24 | 2002-03-05 | Jsp Corp | 表皮材積層発泡粒子成形体の製造方法 |
US20030196574A1 (en) * | 2002-04-23 | 2003-10-23 | Keter Plastic Ltd | Collapsible table formed of injection-molded half sections |
US20060157886A1 (en) * | 2004-12-02 | 2006-07-20 | Panterra Engineered Plastics, Inc | Method and apparatus for continuously producing discrete expanded thermoformable materials |
US8206143B2 (en) * | 2007-12-13 | 2012-06-26 | Biomet Manufacturing Corp. | Modular articulating cement spacer |
WO2010088365A2 (en) * | 2009-01-29 | 2010-08-05 | Radva Corporation | Dual platen molding machine |
EP2629039A1 (en) | 2012-02-17 | 2013-08-21 | Armacell Enterprise GmbH | Extensional flow heat exchanger for polymer melts |
GB2502572A (en) * | 2012-05-30 | 2013-12-04 | Kraft Foods R & D Inc | Mould with optimised heat transfer properties |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1607047A (en) * | 1921-06-15 | 1926-11-16 | Armstrong Cork Co | Method of making artificial cork |
US2167800A (en) * | 1936-06-11 | 1939-08-01 | Crown Cork & Seal Co | Process for manufacture of cork block and insulation |
US2250697A (en) * | 1939-07-14 | 1941-07-29 | Armstrong Cork Co | Method and apparatus for the manufacture of cork articles |
GB605863A (en) * | 1944-04-17 | 1948-08-03 | Distillers Co Yeast Ltd | Improvements in or relating to the manufacture of thermoplastic compositions |
DE941389C (de) * | 1951-04-19 | 1956-04-12 | Basf Ag | Verfahren zur Herstellung poroeser Formkoerper aus thermoplastischen Kunststoffen |
US2740157A (en) * | 1951-12-07 | 1956-04-03 | Dow Chemical Co | Method and apparatus for shaping plastic foams |
US2945261A (en) * | 1956-05-31 | 1960-07-19 | Monsanto Chemicals | Preparation of foamed thermoplastic resin forms having wrinkle-free profile surfaces |
US2948926A (en) * | 1957-11-08 | 1960-08-16 | C I C O M I Cie Internationale | Mold for and a method of producing large bodies of foamed polystyrene |
US3011217A (en) * | 1959-05-11 | 1961-12-05 | Monsanto Chemicals | Method for preparing high density sheets of foamable thermoplastic resin compositions |
NL261705A (it) * | 1960-02-27 | |||
US3042972A (en) * | 1960-06-24 | 1962-07-10 | Koppers Co Inc | Process of manufacturing articles having outer foamed portions |
NL124754C (it) * | 1960-10-31 | |||
BE628017A (it) * | 1962-02-05 | 1900-01-01 | ||
GB1109297A (en) * | 1965-06-15 | 1968-04-10 | Watchwell Ltd | Improvements in or relating to the manufacture of polystyrene articles |
-
1981
- 1981-07-27 IT IT68043/81A patent/IT1144439B/it active
-
1982
- 1982-06-23 AT AT82105521T patent/ATE22038T1/de not_active IP Right Cessation
- 1982-06-23 DE DE8282105521T patent/DE3273165D1/de not_active Expired
- 1982-06-23 EP EP82105521A patent/EP0071016B1/en not_active Expired
- 1982-07-02 US US06/394,581 patent/US4456573A/en not_active Expired - Lifetime
- 1982-07-02 CA CA000406511A patent/CA1185759A/en not_active Expired
- 1982-07-16 JP JP57124976A patent/JPS5833434A/ja active Pending
- 1982-07-21 FI FI822582A patent/FI822582L/fi not_active Application Discontinuation
- 1982-07-22 AU AU86314/82A patent/AU552369B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CA1185759A (en) | 1985-04-23 |
US4456573A (en) | 1984-06-26 |
EP0071016A3 (en) | 1984-05-23 |
ATE22038T1 (de) | 1986-09-15 |
EP0071016B1 (en) | 1986-09-10 |
EP0071016A2 (en) | 1983-02-09 |
AU8631482A (en) | 1983-02-03 |
FI822582A0 (fi) | 1982-07-21 |
FI822582L (fi) | 1983-01-28 |
AU552369B2 (en) | 1986-05-29 |
IT8168043A0 (it) | 1981-07-27 |
DE3273165D1 (en) | 1986-10-16 |
JPS5833434A (ja) | 1983-02-26 |
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