ITBO940331A0 - Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa. - Google Patents

Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.

Info

Publication number
ITBO940331A0
ITBO940331A0 ITBO940331A ITBO940331A ITBO940331A0 IT BO940331 A0 ITBO940331 A0 IT BO940331A0 IT BO940331 A ITBO940331 A IT BO940331A IT BO940331 A ITBO940331 A IT BO940331A IT BO940331 A0 ITBO940331 A0 IT BO940331A0
Authority
IT
Italy
Prior art keywords
blowing
plastic material
extrusion head
colored layers
extruded plastic
Prior art date
Application number
ITBO940331A
Other languages
English (en)
Inventor
Moreno Minghetti
Original Assignee
Techne 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 Techne Spa filed Critical Techne Spa
Priority to ITBO940331A priority Critical patent/IT1274835B/it
Publication of ITBO940331A0 publication Critical patent/ITBO940331A0/it
Priority to DE69516589T priority patent/DE69516589T2/de
Priority to EP95109807A priority patent/EP0692363B1/en
Publication of ITBO940331A1 publication Critical patent/ITBO940331A1/it
Application granted granted Critical
Publication of IT1274835B publication Critical patent/IT1274835B/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
    • B29C48/695—Flow dividers, e.g. breaker plates
    • B29C48/70—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows
    • 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
    • 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • 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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
ITBO940331A 1994-07-14 1994-07-14 Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa. IT1274835B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITBO940331A IT1274835B (it) 1994-07-14 1994-07-14 Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.
DE69516589T DE69516589T2 (de) 1994-07-14 1995-06-23 Coextrusionskopf für Blas-Warmformmaschinen, mit Schnellwechselmöglichkeit der extrudierten gefärbten Schichten
EP95109807A EP0692363B1 (en) 1994-07-14 1995-06-23 Coextrusion head for blow-thermoforming machines with rapid changing of the coloured layers of the extruded plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO940331A IT1274835B (it) 1994-07-14 1994-07-14 Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.

Publications (3)

Publication Number Publication Date
ITBO940331A0 true ITBO940331A0 (it) 1994-07-14
ITBO940331A1 ITBO940331A1 (it) 1996-01-14
IT1274835B IT1274835B (it) 1997-07-25

Family

ID=11339935

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO940331A IT1274835B (it) 1994-07-14 1994-07-14 Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.

Country Status (3)

Country Link
EP (1) EP0692363B1 (it)
DE (1) DE69516589T2 (it)
IT (1) IT1274835B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282563B1 (it) * 1996-05-07 1998-03-27 Nupi Spa Metodo e testa di estrusione per realizzare tubi in materie plastiche aventi scarsa tolleranza alle pressioni di estrusione
WO2006106151A2 (en) * 2005-04-08 2006-10-12 Ole-Bendt Rasmussen Method and apparatus for film extrusion
CN104029370A (zh) * 2014-06-10 2014-09-10 宁波长壁流体动力科技有限公司 一种冷喂料橡胶挤出机机头
CN106426870B (zh) * 2016-11-30 2018-10-30 中山市富邦机械有限公司 一种塑料中空成型机的芯棒
CN111890656B (zh) * 2020-07-23 2021-06-29 长园电力技术有限公司 500kV及以下单芯交联电力电缆绝缘接头成型装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734224A (en) * 1956-02-14 winstead
US3860686A (en) * 1972-06-07 1975-01-14 Western Electric Co Method of and apparatus for extruding plastic materials
US3947173A (en) * 1972-09-13 1976-03-30 Western Electric Company, Inc. Apparatus for extruding concentric plastic sheaths
US4017240A (en) * 1975-11-19 1977-04-12 Rubbermaid Incorporated Die for extruding sheet material
GB2109740B (en) * 1981-10-16 1984-12-12 Fujikura Ltd Extruder cross-head for extruding material around an elongated article
IT1213469B (it) * 1986-07-30 1989-12-20 Soffiaggio Tecnica Srl Dispositivo di testa di estrusione per polimeri termoplastici.
DE3910493A1 (de) * 1989-04-01 1990-10-04 Erich Beck Extrusionsduese fuer blasfolien- und rohrproduktionen aus thermoplastischen kunststoffen
NL9201457A (nl) * 1992-08-14 1994-03-01 Rollepaal B V Maschf De Verdeelkop voor het uit één of meer stromen geëxtrudeerd thermoplastisch kunststofmateriaal vormen van een buisvormig profiel.

Also Published As

Publication number Publication date
DE69516589T2 (de) 2001-01-04
EP0692363A2 (en) 1996-01-17
IT1274835B (it) 1997-07-25
EP0692363B1 (en) 2000-05-03
ITBO940331A1 (it) 1996-01-14
DE69516589D1 (de) 2000-06-08
EP0692363A3 (en) 1996-09-18

Similar Documents

Publication Publication Date Title
FI893651A0 (fi) Extruderat skum av syntetiskt harts och foerfarande foer framstaellning av detsamma.
FI971395L (fi) Pystysuuntaisella pursottimella varustettu jäätelö-sandwich-kone
FI971396L (fi) Lineaarinen jäätelö-sandwich-pursotinlaite
NO964759D0 (no) Plastmateriale for forpakninger
ITBO940331A0 (it) Testa di coestrusione per macchine termoformatrici per soffiaggio, concambio rapido degli strati colorati della materia plastica estrusa.
DE69604295D1 (de) Thermoplastische luftsackabdeckung, die einen membranschalter mit verbesserter betätigung besitzt
DE69632617D1 (de) Kristalline, thermoplastische Kunststoffzusammensetzung
ITBO920408A0 (it) Macchina ad elevata produzione per la termoformatura per soffiaggio di contenitori od altri corpi cavi, in materia termoplastica.
DE69508020D1 (de) Schräglaminiertes Kunstofferzeugnis
FR2743472B1 (fr) Produit a base de pate laminee et/ou feuilletee et/ou extrudee et son procede de fabrication
BR9606191A (pt) Máquina para extensao de produtos laminares
FI951740L (fi) Muovituotteiden syvävetolaite
FR2725695B1 (fr) Conditionnement thermoplastique bicouche, son procede de fabrication
IT1288133B1 (it) Lastra, o simili di materia plastica termoformabile.
KR950026988U (ko) 압출 성형기
DE59603815D1 (de) Antistatisch ausgerüstete, gefärbte thermoplastische Formmassen
DE69416414D1 (de) Thermogeformte Verpackung, aus Kunststoff
KR970021237U (ko) 중공 프라스틱 제품 성형용 금형
ITBO920226V0 (it) Macchina ad elevata produzione per la termoformatura per soffiaggio di contenitori od altri corpi cavi, in materia termoplastica.
ITMI950368A0 (it) Macchina per riciclaggio di bottiglie di plastica
FR2720027B1 (fr) Tête de soufflage de feuille pour la fabrication de feuilles tubulaires en matière synthétique thermoplastique.
KR970038710U (ko) 이동식 제품 포장기기
BR7501103U (pt) Máquina confeccionadora de bolsa plásticas
ITMI911759A1 (it) Apparecchiatura per la produzione di strati a strisce colorate, particolarmente in materiale plastico, procedimento e prodotto ottenuto.
KR970008418U (ko) 스티로폴체 성형장치

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970626