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 ottenuto

Info

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
Application number
IT68043/81A
Other languages
English (en)
Other versions
IT8168043A0 (it
Inventor
Franco Ragazzini
Roberto Colombo
Original Assignee
Lavorazione Mat Plast
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 Lavorazione Mat Plast filed Critical Lavorazione Mat Plast
Publication of IT8168043A0 publication Critical patent/IT8168043A0/it
Priority to IT68043/81A priority Critical patent/IT1144439B/it
Priority to DE8282105521T priority patent/DE3273165D1/de
Priority to AT82105521T priority patent/ATE22038T1/de
Priority to EP82105521A priority patent/EP0071016B1/en
Priority to CA000406511A priority patent/CA1185759A/en
Priority to US06/394,581 priority patent/US4456573A/en
Priority to JP57124976A priority patent/JPS5833434A/ja
Priority to FI822582A priority patent/FI822582L/fi
Priority to AU86314/82A priority patent/AU552369B2/en
Application granted granted Critical
Publication of IT1144439B publication Critical patent/IT1144439B/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
    • B29C44/3415—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)
  • Buffer Packaging (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT68043/81A 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 IT1144439B (it)

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
DE8282105521T DE3273165D1 (en) 1981-07-27 1982-06-23 Apparatus for production of expanded polystyrene panels
AT82105521T ATE22038T1 (de) 1981-07-27 1982-06-23 Vorrichtung zur herstellung von paneelen aus expandiertem polystyrol.
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)

* Cited by examiner, † Cited by third party
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
CA2032719C (en) * 1989-12-21 1994-11-08 Makoto Kamiyama Production process of expansion-molded article
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
WO2006060722A2 (en) * 2004-12-02 2006-06-08 Panterra Engineered Plastics, Inc. A 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)

* Cited by examiner, † Cited by third party
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
NL270773A (it) * 1960-10-31
NL288435A (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

Also Published As

Publication number Publication date
FI822582A0 (fi) 1982-07-21
EP0071016A2 (en) 1983-02-09
DE3273165D1 (en) 1986-10-16
AU8631482A (en) 1983-02-03
US4456573A (en) 1984-06-26
CA1185759A (en) 1985-04-23
EP0071016B1 (en) 1986-09-10
EP0071016A3 (en) 1984-05-23
ATE22038T1 (de) 1986-09-15
JPS5833434A (ja) 1983-02-26
IT8168043A0 (it) 1981-07-27
AU552369B2 (en) 1986-05-29
FI822582A7 (fi) 1983-01-28
FI822582L (fi) 1983-01-28

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