IT1282578B1 - Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico - Google Patents

Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico

Info

Publication number
IT1282578B1
IT1282578B1 IT96MI000219A ITMI960219A IT1282578B1 IT 1282578 B1 IT1282578 B1 IT 1282578B1 IT 96MI000219 A IT96MI000219 A IT 96MI000219A IT MI960219 A ITMI960219 A IT MI960219A IT 1282578 B1 IT1282578 B1 IT 1282578B1
Authority
IT
Italy
Prior art keywords
mixing
machine
thermoplastic material
continuous lamination
lamination
Prior art date
Application number
IT96MI000219A
Other languages
English (en)
Inventor
Vittorino Rampazzo
Original Assignee
Pomini Spa
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 Pomini Spa filed Critical Pomini Spa
Priority to IT96MI000219A priority Critical patent/IT1282578B1/it
Publication of ITMI960219A0 publication Critical patent/ITMI960219A0/it
Priority to EP97200234A priority patent/EP0788868B1/en
Priority to DE69704289T priority patent/DE69704289T2/de
Priority to JP9023559A priority patent/JPH09314641A/ja
Publication of ITMI960219A1 publication Critical patent/ITMI960219A1/it
Application granted granted Critical
Publication of IT1282578B1 publication Critical patent/IT1282578B1/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • B29C48/27—Cleaning; Purging; Avoiding contamination
    • B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • 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
IT96MI000219A 1996-02-07 1996-02-07 Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico IT1282578B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT96MI000219A IT1282578B1 (it) 1996-02-07 1996-02-07 Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico
EP97200234A EP0788868B1 (en) 1996-02-07 1997-01-29 Process and machine for the mixing with continuous rolling of thermoplastic material
DE69704289T DE69704289T2 (de) 1996-02-07 1997-01-29 Verfahren und Vorrichtung zum Mischen mit kontinuierlichen Walzen von thermoplastischem Material
JP9023559A JPH09314641A (ja) 1996-02-07 1997-02-06 熱可塑性材料の混合方法及び機械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000219A IT1282578B1 (it) 1996-02-07 1996-02-07 Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico

Publications (3)

Publication Number Publication Date
ITMI960219A0 ITMI960219A0 (it) 1996-02-07
ITMI960219A1 ITMI960219A1 (it) 1997-08-07
IT1282578B1 true IT1282578B1 (it) 1998-03-31

Family

ID=11373166

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000219A IT1282578B1 (it) 1996-02-07 1996-02-07 Procedimento e macchina per la mescolazione con laminazione in continuo di materiale termoplastico

Country Status (4)

Country Link
EP (1) EP0788868B1 (it)
JP (1) JPH09314641A (it)
DE (1) DE69704289T2 (it)
IT (1) IT1282578B1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
JP3499414B2 (ja) * 1996-12-24 2004-02-23 株式会社神戸製鋼所 ２軸混練機
DE19950917A1 (de) * 1999-10-21 2001-04-26 Degussa Doppelschneckenextruder mit neuen Schneckenelementen
DE10143570A1 (de) * 2001-09-05 2003-03-20 Buehler Ag Entgasung von fließfähigen Massen in einem Mehrwellenextruder
JP5804281B2 (ja) 2009-07-16 2015-11-04 ブラフ，ヨセフ，エー． 押出機
AT509710B1 (de) 2010-03-24 2011-11-15 Josef Ing Blach Extruder
AT512974B1 (de) 2012-05-23 2015-02-15 Josef A Ing Blach Mehrwellenextruder
KR20210131339A (ko) 2019-02-27 2021-11-02 코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게 나사 프로파일 내에 위치된 적어도 2개의 구성 지점을 갖는 축방향 비대칭 나사 프로파일을 갖는 나사 요소
WO2023198550A1 (de) 2022-04-11 2023-10-19 Covestro Deutschland Ag Mehrwellige schneckenmaschine mit einem paar schneckenelementen mit verbesserter misch- und entgasungswirkung bei reduziertem energieeintrag

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131371A (en) * 1977-08-03 1978-12-26 E. I. Du Pont De Nemours And Company Co-rotating multiple screw processor
JPS5829733B2 (ja) * 1977-11-19 1983-06-24 積水化学工業株式会社 押出機
JPS5551543A (en) * 1978-10-12 1980-04-15 Toshiba Mach Co Ltd Conical multi-shaft extruder screw
DE3014643A1 (de) * 1980-04-16 1981-10-22 Bayer Ag, 5090 Leverkusen Gleichsinnig rotierbare doppelschnecke
SU1634511A2 (ru) * 1988-07-04 1991-03-15 Тамбовское Научно-Производственное Объединение Полимерного Машиностроения "Полимермаш" Черв чный смеситель дл переработки полимеров

Also Published As

Publication number Publication date
DE69704289D1 (de) 2001-04-26
ITMI960219A0 (it) 1996-02-07
EP0788868A1 (en) 1997-08-13
JPH09314641A (ja) 1997-12-09
ITMI960219A1 (it) 1997-08-07
EP0788868B1 (en) 2001-03-21
DE69704289T2 (de) 2001-10-18

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