IT1141842B - Procedimento per la fabbricazione di oggetti in polistirolo cristallo - Google Patents

Procedimento per la fabbricazione di oggetti in polistirolo cristallo

Info

Publication number
IT1141842B
IT1141842B IT84970/80A IT8497080A IT1141842B IT 1141842 B IT1141842 B IT 1141842B IT 84970/80 A IT84970/80 A IT 84970/80A IT 8497080 A IT8497080 A IT 8497080A IT 1141842 B IT1141842 B IT 1141842B
Authority
IT
Italy
Prior art keywords
sheet
objects
relation
temperature
adjustable
Prior art date
Application number
IT84970/80A
Other languages
English (en)
Other versions
IT8084970A0 (it
Inventor
Pietro Padovani
Original Assignee
Omv Spa Off Mecc Veronese
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 Omv Spa Off Mecc Veronese filed Critical Omv Spa Off Mecc Veronese
Publication of IT8084970A0 publication Critical patent/IT8084970A0/it
Priority to IT84970/80A priority Critical patent/IT1141842B/it
Priority to GB8113902A priority patent/GB2087297B/en
Priority to FR8118544A priority patent/FR2494178B1/fr
Priority to US06/319,242 priority patent/US4409173A/en
Priority to AT81305305T priority patent/ATE25029T1/de
Priority to EP81305305A priority patent/EP0052470B1/en
Priority to DE8181305305T priority patent/DE3175846D1/de
Priority to ES507185A priority patent/ES507185A0/es
Priority to CA000390291A priority patent/CA1169214A/en
Priority to JP56184354A priority patent/JPS57113031A/ja
Priority to BR8107452A priority patent/BR8107452A/pt
Application granted granted Critical
Publication of IT1141842B publication Critical patent/IT1141842B/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/18—Thermoforming apparatus
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
    • 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
IT84970/80A 1980-11-17 1980-11-17 Procedimento per la fabbricazione di oggetti in polistirolo cristallo IT1141842B (it)

Priority Applications (11)

Application Number Priority Date Filing Date Title
IT84970/80A IT1141842B (it) 1980-11-17 1980-11-17 Procedimento per la fabbricazione di oggetti in polistirolo cristallo
GB8113902A GB2087297B (en) 1980-11-17 1981-05-07 Manufacture of objects of crystalline polystyrene
FR8118544A FR2494178B1 (fr) 1980-11-17 1981-10-01 Procede de fabrication d'objets en polystyrene cristal
AT81305305T ATE25029T1 (de) 1980-11-17 1981-11-09 Vorrichtung zur herstellung von gegenstaenden aus kristallinem polystyren.
US06/319,242 US4409173A (en) 1980-11-17 1981-11-09 Process and apparatus for the manufacture of objects of crystalline polystyrene
EP81305305A EP0052470B1 (en) 1980-11-17 1981-11-09 Apparatus for the manufacture of objects of crystal polystyrene
DE8181305305T DE3175846D1 (en) 1980-11-17 1981-11-09 Apparatus for the manufacture of objects of crystal polystyrene
ES507185A ES507185A0 (es) 1980-11-17 1981-11-16 Perfeccionamientos en maquinas para la fabricacion de obje- tos, especialmente en polistirolo cristal, tales como reci- pientes, tazas y similares.
CA000390291A CA1169214A (en) 1980-11-17 1981-11-17 Process and apparatus for the manufacture of objects of crystal polystyrene
JP56184354A JPS57113031A (en) 1980-11-17 1981-11-17 Method and apparatus for manufacturing object of crystalline polystyrene
BR8107452A BR8107452A (pt) 1980-11-17 1981-11-17 Processo e aparelho para a fabricacao de objetos de poliestireno cristalino

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84970/80A IT1141842B (it) 1980-11-17 1980-11-17 Procedimento per la fabbricazione di oggetti in polistirolo cristallo

Publications (2)

Publication Number Publication Date
IT8084970A0 IT8084970A0 (it) 1980-11-17
IT1141842B true IT1141842B (it) 1986-10-08

Family

ID=11326653

Family Applications (1)

Application Number Title Priority Date Filing Date
IT84970/80A IT1141842B (it) 1980-11-17 1980-11-17 Procedimento per la fabbricazione di oggetti in polistirolo cristallo

Country Status (11)

Country Link
US (1) US4409173A (it)
EP (1) EP0052470B1 (it)
JP (1) JPS57113031A (it)
AT (1) ATE25029T1 (it)
BR (1) BR8107452A (it)
CA (1) CA1169214A (it)
DE (1) DE3175846D1 (it)
ES (1) ES507185A0 (it)
FR (1) FR2494178B1 (it)
GB (1) GB2087297B (it)
IT (1) IT1141842B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU576790B2 (en) * 1983-11-11 1988-09-08 A.A.R.C. (Management) Pty.Ltd. Molten thermoplastics web feeding
WO1985002142A1 (en) * 1983-11-11 1985-05-23 A.A.R.C. (Management) Pty. Limited Molten thermoplastic web feeding process and apparatus
GB2150877B (en) * 1983-11-11 1988-01-20 Aarc Pty Ltd Moulding & feeding a thermoplastic web to continuously moving web thermo forming means
JPS60236721A (ja) * 1984-05-09 1985-11-25 Kyoei Sangyo Kk プラスチツク製熱成形品の製造方法
FR2602174B1 (fr) * 1986-07-31 1988-11-18 Erca Holding Procede et dispositif de reglage de l'echauffement d'une bande thermoplastique utilisee dans un poste de thermoformage
IT1207550B (it) * 1987-04-08 1989-05-25 O M G Di Fretta Severino E C S Macchina per termoformatura
US4954066A (en) * 1988-12-20 1990-09-04 Cincinnati Milacron Inc. Thermoforming and conveyor chain guide apparatus
US5006056A (en) * 1989-09-01 1991-04-09 The Black Clawson Company Film extrusion apparatus including a quickly replaceable chill roll
IT1257010B (it) * 1992-02-03 1996-01-05 Omv Spa Procedimento ed apparecchiatura per la termoformatura e l'impilamento di oggetti cavi con fondello a partire da materiale termoplastico in nastro.
JPH10264187A (ja) * 1997-03-26 1998-10-06 Takata Kk 樹脂製袋体の製造方法及び樹脂製袋体
US7442332B2 (en) * 2004-05-04 2008-10-28 Clopay Plastic Products Company, Inc. Method and apparatus for uniformly stretching thermoplastic film and products produced thereby
KR100662184B1 (ko) * 2005-07-22 2006-12-27 제일모직주식회사 비할로겐계 난연성 열가소성 수지 조성물
US7901201B2 (en) * 2005-07-25 2011-03-08 Kojima Press Industry Co., Ltd. Press-molding machine and press-molding method
CN104264245A (zh) * 2014-09-10 2015-01-07 灵璧县利峰包装有限公司 一种使用寿命长的塑料拉丝机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL257490A (it) * 1957-11-08
GB1176357A (en) * 1967-04-01 1970-01-01 Barmag Barmer Maschf Improvements in the Conversion of Films into Separate Oriented Filaments
BE754684A (fr) * 1969-08-26 1971-01-18 Badoux Daniel Perfectionnements aux machines pour la conformation d'articles a partird'une bande de matiere synthetique extrudee
US3642411A (en) * 1970-05-26 1972-02-15 Anderson Bros Mfg Co Thermoforming apparatus for moving sheet material
FR2133485A3 (en) * 1971-04-14 1972-12-01 Aquitaine Total Organico Moulding plastic web - passing from extruder by forming reserve between mould and extruder
FR2148344A1 (en) * 1971-08-09 1973-03-23 Lebocey Industrie Thermoforming system - with integrated extrusion moulding,regrind and backfeed units
US4039609A (en) * 1972-10-25 1977-08-02 Bellaplast Gmbh Method for the manufacture of thin-walled shaped articles of thermoplastic material
US4086045A (en) * 1972-10-25 1978-04-25 Bellaplast Gmbh Apparatus for the manufacture of thin-walled shaped articles of thermoplastic material
US3931383A (en) * 1973-04-13 1976-01-06 General Plastics Corporation Method for continuously forming plastic sheet with vacuum pressure
US4105386A (en) * 1973-10-19 1978-08-08 Bellaplast Gmbh Apparatus for the manufacture of thin-walled shaped articles of thermoplastic material
US4118454A (en) * 1975-09-02 1978-10-03 Sumitomo Bakelite Company Limited Method for producing transparent plastic molded articles
IT1053243B (it) * 1975-10-09 1981-08-31 Omv Spa Sistema di produzione di oggetti cavi finiti picavati da un nastro di materiale plastico per termo formatura

Also Published As

Publication number Publication date
EP0052470B1 (en) 1987-01-21
JPS5757250B2 (it) 1982-12-03
ES8301757A1 (es) 1983-01-01
IT8084970A0 (it) 1980-11-17
BR8107452A (pt) 1982-08-10
DE3175846D1 (en) 1987-02-26
FR2494178B1 (fr) 1987-03-20
GB2087297A (en) 1982-05-26
ATE25029T1 (de) 1987-02-15
US4409173A (en) 1983-10-11
GB2087297B (en) 1985-05-09
CA1169214A (en) 1984-06-19
EP0052470A2 (en) 1982-05-26
ES507185A0 (es) 1983-01-01
FR2494178A1 (fr) 1982-05-21
JPS57113031A (en) 1982-07-14
EP0052470A3 (en) 1984-09-05

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