IT202200007736A1 - Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla - Google Patents

Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla Download PDF

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Publication number
IT202200007736A1
IT202200007736A1 IT102022000007736A IT202200007736A IT202200007736A1 IT 202200007736 A1 IT202200007736 A1 IT 202200007736A1 IT 102022000007736 A IT102022000007736 A IT 102022000007736A IT 202200007736 A IT202200007736 A IT 202200007736A IT 202200007736 A1 IT202200007736 A1 IT 202200007736A1
Authority
IT
Italy
Prior art keywords
bubbled
extrusion
procedure
film
polymer material
Prior art date
Application number
IT102022000007736A
Other languages
English (en)
Inventor
Diego Castiglioni
Michele Barbazza
Original Assignee
Costruzioni Mecc Luigi Bandera S P A
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 Costruzioni Mecc Luigi Bandera S P A filed Critical Costruzioni Mecc Luigi Bandera S P A
Priority to IT102022000007736A priority Critical patent/IT202200007736A1/it
Publication of IT202200007736A1 publication Critical patent/IT202200007736A1/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
    • 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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/276—Recovery or reuse of energy or materials of energy
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
IT102022000007736A 2022-04-19 2022-04-19 Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla IT202200007736A1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102022000007736A IT202200007736A1 (it) 2022-04-19 2022-04-19 Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000007736A IT202200007736A1 (it) 2022-04-19 2022-04-19 Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla

Publications (1)

Publication Number Publication Date
IT202200007736A1 true IT202200007736A1 (it) 2023-10-19

Family

ID=82385610

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000007736A IT202200007736A1 (it) 2022-04-19 2022-04-19 Impianto e procedimento per l'estrusione di un film di materiale polimerico in bolla

Country Status (1)

Country Link
IT (1) IT202200007736A1 (it)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122885A2 (en) * 1983-03-17 1984-10-24 Gaetano Piazzola A method of supplying hot air to an apparatus for hot extruding, drawing and similarly processing plastomers and elastomers, incorporating a means of recovering and utilizing heated air from the cooling of heated parts
DE19635578A1 (de) * 1996-09-02 1998-03-05 Linde Ag Verfahren und Vorrichtung zur Kreislaufkühlung von Schlauchfolien
CN206884165U (zh) * 2017-05-03 2018-01-16 天津裕坤包装制品股份有限公司 一种新型节能吹膜机
CN108859080A (zh) * 2018-07-31 2018-11-23 河南龙都天仁生物材料有限公司 复合可降解薄保鲜膜合成装置
CN213227516U (zh) * 2020-05-25 2021-05-18 南京瑞鑫环保科技有限公司 一种用于可降解宠物袋的吹膜机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122885A2 (en) * 1983-03-17 1984-10-24 Gaetano Piazzola A method of supplying hot air to an apparatus for hot extruding, drawing and similarly processing plastomers and elastomers, incorporating a means of recovering and utilizing heated air from the cooling of heated parts
DE19635578A1 (de) * 1996-09-02 1998-03-05 Linde Ag Verfahren und Vorrichtung zur Kreislaufkühlung von Schlauchfolien
CN206884165U (zh) * 2017-05-03 2018-01-16 天津裕坤包装制品股份有限公司 一种新型节能吹膜机
CN108859080A (zh) * 2018-07-31 2018-11-23 河南龙都天仁生物材料有限公司 复合可降解薄保鲜膜合成装置
CN213227516U (zh) * 2020-05-25 2021-05-18 南京瑞鑫环保科技有限公司 一种用于可降解宠物袋的吹膜机

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