IT8546838A0 - Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi'ottenuti - Google Patents

Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi'ottenuti

Info

Publication number
IT8546838A0
IT8546838A0 IT8546838A IT4683885A IT8546838A0 IT 8546838 A0 IT8546838 A0 IT 8546838A0 IT 8546838 A IT8546838 A IT 8546838A IT 4683885 A IT4683885 A IT 4683885A IT 8546838 A0 IT8546838 A0 IT 8546838A0
Authority
IT
Italy
Prior art keywords
implementing
procedure
manufacture
products
elements
Prior art date
Application number
IT8546838A
Other languages
English (en)
Other versions
IT1202066B (it
Inventor
Piero Cretti
Original Assignee
Piero Cretti
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11259472&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT8546838(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Piero Cretti filed Critical Piero Cretti
Priority to IT46838/85A priority Critical patent/IT1202066B/it
Publication of IT8546838A0 publication Critical patent/IT8546838A0/it
Priority to AT86200844T priority patent/ATE46852T1/de
Priority to EP86200844A priority patent/EP0203654B1/en
Priority to DE8686200844T priority patent/DE3666008D1/de
Priority to US06/868,138 priority patent/US4756859A/en
Application granted granted Critical
Publication of IT1202066B publication Critical patent/IT1202066B/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/08—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 using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/206—Using expandable particles or beads as starting 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
    • B29C44/38—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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • 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
    • Y10S264/10—Foamed polystyrene mold filling
IT46838/85A 1985-05-31 1985-05-31 Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi' ottenuti IT1202066B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT46838/85A IT1202066B (it) 1985-05-31 1985-05-31 Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi' ottenuti
AT86200844T ATE46852T1 (de) 1985-05-31 1986-05-16 Verfahren zur herstellung von gegenstaenden aus geschaeumtem kunststoff mit lagen besonders hoher festigkeit und anlage zur durchfuehrung des verfahrens.
EP86200844A EP0203654B1 (en) 1985-05-31 1986-05-16 Method for manufacturing elements of expanded synthetic material having layers of particularly high strength and apparatus for implementing said method, and products obtained thereby
DE8686200844T DE3666008D1 (en) 1985-05-31 1986-05-16 Method for manufacturing elements of expanded synthetic material having layers of particularly high strength and apparatus for implementing said method, and products obtained thereby
US06/868,138 US4756859A (en) 1985-05-31 1986-05-28 Method for manufacturing elements of expanded synthetic material having layers of particularly high strength and a plant for implementing said method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT46838/85A IT1202066B (it) 1985-05-31 1985-05-31 Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi' ottenuti

Publications (2)

Publication Number Publication Date
IT8546838A0 true IT8546838A0 (it) 1985-05-31
IT1202066B IT1202066B (it) 1989-02-02

Family

ID=11259472

Family Applications (1)

Application Number Title Priority Date Filing Date
IT46838/85A IT1202066B (it) 1985-05-31 1985-05-31 Procedimento per la fabbricazione di elementi in materiale sintetico espanso dotati di strati particolarmente resistenti, impianto per attuare in detto, e prodotti cosi' ottenuti

Country Status (5)

Country Link
US (1) US4756859A (it)
EP (1) EP0203654B1 (it)
AT (1) ATE46852T1 (it)
DE (1) DE3666008D1 (it)
IT (1) IT1202066B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68921548T2 (de) * 1988-10-31 1995-10-05 Mitsubishi Electric Corp Poröse Strukture und Verfahren zu ihrer Herstellung.
US5252270A (en) * 1990-12-20 1993-10-12 Basf Aktiengesellschaft Method of forming foam moldings having varied density regions
DE4237239A1 (de) * 1992-11-04 1994-05-05 Teubert Maschinenbau Gmbh Schaumstofformkörper, Verfahren zu seiner Herstellung sowie Vorrichtung zur Durchführung des Verfahrens
EP0629491A1 (de) * 1993-06-21 1994-12-21 Wannerit Ag Verfahren und Vorrichtung zur Herstellung von mehrteiligen Formteilen aus expandierbarem Kunststoffgranulat und damit hergestellten Formteilen
IT1275312B (it) * 1995-06-06 1997-08-05 Plastedil Sa Apparecchiatura per la formatura di un elemento continuo in materia plastica espansa
IT1286443B1 (it) * 1996-12-05 1998-07-08 Plastedil Sa Apparecchiatura a pareti regolabili per la formatura di un elemento continuo in materia plastica espansa
MXGT06000017A (es) * 2006-08-30 2008-02-28 Univ Guanajuato Proceso para producir piezas continuas de espuma de poliestireno expandido.
ITMI20071281A1 (it) * 2007-06-26 2008-12-27 Gilanberry Trading Ltd Apparecchiatura e metodo per la formatura in continuo di un elemento continuo di materia plastica espansa, impianto comprendente detta apparecchiatura ed elemento costruttivo di materia plastica espansa
WO2010088365A2 (en) * 2009-01-29 2010-08-05 Radva Corporation Dual platen molding machine
US20100193662A1 (en) * 2009-02-04 2010-08-05 Peter Juen Form panel system for poured concrete
US9498927B2 (en) * 2013-03-15 2016-11-22 Nike, Inc. Decorative foam and method
DE102018123703A1 (de) * 2018-09-26 2020-03-26 Parat Beteiligungs Gmbh Verfahren zur Herstellung eines flächenhaft ausgebildeten Bauelementes
DE102019127756A1 (de) * 2019-10-15 2021-04-15 Kaneka Belgium Nv Verfahren zum Herstellen eines geschäumten Kunststoffformkörpers mit einem Filmschichtüberzug

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA602856A (en) * 1960-08-02 Isoleringsaktiebolaget Wmb Method and apparatus for joining adjacent panels of thermoplastic material
US2983963A (en) * 1955-07-20 1961-05-16 Electrolux Ab Method of making multidensity expanded plastic body
US3306959A (en) * 1956-12-14 1967-02-28 Isoleringsaktiebolaget Wmb Method and apparatus for joining adjacent panels of thermoplastic material
NL101864C (it) * 1957-05-18 1962-06-10
US3026574A (en) * 1957-07-30 1962-03-27 Techniform Inc Process for molding a foamable shell onto a sponge base
US3225124A (en) * 1961-06-16 1965-12-21 Owens Illinois Inc Method of molding a foamed plastic covering on an article
CH527054A (de) * 1969-12-03 1972-08-31 Confido Treuhand Und Revisions Verfahren und Vorrichtung zur Herstellung von beliebig langen Platten, Blöcken oder sonstigen geformten Teilen aus expandierfähigen Kunststoffen
DE2505370A1 (de) * 1975-02-08 1976-08-26 Correcta Werke Gmbh Verfahren zum herstellen von formkoerpern aus polystyrolschaum
JPS6040372B2 (ja) * 1978-09-29 1985-09-10 積水化成品工業株式会社 異種原料による同時成形品の製造方法
US4233006A (en) * 1978-10-10 1980-11-11 Wheaton Industries Machine for forming expanded resinous products
DE2851413A1 (de) * 1978-11-28 1980-06-04 Jegelka Johann Fridrich Ing Gr Verfahren zum zweistufigen herstellen von geschaeumten thermoplastformteilen und maschine zur durchfuehrung des verfahrens
JPS5923549B2 (ja) * 1979-04-18 1984-06-02 積水化成品工業株式会社 異種原料による同時成形方法
JPS56111645A (en) * 1980-02-08 1981-09-03 Meiwa Sangyo Kk Preparation of composite molding
FR2481192A1 (fr) * 1980-04-25 1981-10-30 Rhenane Procede de moulage de polystyrene expanse
JPS5747629A (en) * 1980-09-08 1982-03-18 Badische Yuka Co Ltd Production of multilayer expansion-molded article
US4424177A (en) * 1981-10-16 1984-01-03 Atlantic Richfield Company Molding prepuffed polystyrene for higher density skin
JPS58171946A (ja) * 1982-04-02 1983-10-08 本田技研工業株式会社 発泡樹脂成形体
GB2137133B (en) * 1983-03-30 1986-09-17 Wolfgang Ernst Schedel Moulding of plastic articles

Also Published As

Publication number Publication date
DE3666008D1 (en) 1989-11-09
ATE46852T1 (de) 1989-10-15
IT1202066B (it) 1989-02-02
EP0203654A1 (en) 1986-12-03
US4756859A (en) 1988-07-12
EP0203654B1 (en) 1989-10-04

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960530