ITMI931137A0 - TOOL HEAD FOR THE EXTRUSION OF PREFORMED TUBE OR TUBULAR PREFORMS OF SYNTHETIC THERMOPLASTIC MATERIAL - Google Patents

TOOL HEAD FOR THE EXTRUSION OF PREFORMED TUBE OR TUBULAR PREFORMS OF SYNTHETIC THERMOPLASTIC MATERIAL

Info

Publication number
ITMI931137A0
ITMI931137A0 IT93MI1137A ITMI931137A ITMI931137A0 IT MI931137 A0 ITMI931137 A0 IT MI931137A0 IT 93MI1137 A IT93MI1137 A IT 93MI1137A IT MI931137 A ITMI931137 A IT MI931137A IT MI931137 A0 ITMI931137 A0 IT MI931137A0
Authority
IT
Italy
Prior art keywords
extrusion
thermoplastic material
tool head
synthetic thermoplastic
preformed tube
Prior art date
Application number
IT93MI1137A
Other languages
Italian (it)
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 filed Critical
Publication of ITMI931137A0 publication Critical patent/ITMI931137A0/en
Publication of ITMI931137A1 publication Critical patent/ITMI931137A1/en
Application granted granted Critical
Publication of IT1264796B1 publication Critical patent/IT1264796B1/en

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
    • B29C48/705—Flow dividers, e.g. breaker plates comprising means for dividing, distributing and recombining melt flows in the die zone, e.g. to create flow homogeneity
    • 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
    • B29C48/34—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
    • B29C48/25—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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/46—Knobs or handles, push-buttons, grips
IT93MI001137A 1992-06-02 1993-05-31 TOOL HEAD FOR EXTRUSION OF PREFORMED TUBE OR TUBULAR SHAPED OF SYNTHETIC THERMOPLASTIC MATERIAL IT1264796B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4218095A DE4218095C2 (en) 1992-06-02 1992-06-02 Tool head for the extrusion of tubular or tubular preforms made of thermoplastic material

Publications (3)

Publication Number Publication Date
ITMI931137A0 true ITMI931137A0 (en) 1993-05-31
ITMI931137A1 ITMI931137A1 (en) 1994-12-01
IT1264796B1 IT1264796B1 (en) 1996-10-10

Family

ID=6460178

Family Applications (1)

Application Number Title Priority Date Filing Date
IT93MI001137A IT1264796B1 (en) 1992-06-02 1993-05-31 TOOL HEAD FOR EXTRUSION OF PREFORMED TUBE OR TUBULAR SHAPED OF SYNTHETIC THERMOPLASTIC MATERIAL

Country Status (2)

Country Link
DE (1) DE4218095C2 (en)
IT (1) IT1264796B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3471924B2 (en) * 1994-09-21 2003-12-02 呉羽化学工業株式会社 Spiral die and method of manufacturing laminate using the same
US6190152B1 (en) 1996-08-26 2001-02-20 Addex, Inc. Regular division of molten extrusion flow
DE19835189C2 (en) * 1998-08-04 2001-02-08 Unicor Rohrsysteme Gmbh Device for the continuous production of seamless plastic pipes
US6343919B1 (en) * 2000-02-28 2002-02-05 Ricardo Pablo Rodriguez Modular plastics extrusion die
DE10059306C1 (en) * 2000-11-29 2002-05-16 Reifenhaeuser Masch Extrusion head for blown film includes inlet region located between branching region and spiral region
DE102010046501B4 (en) 2010-09-24 2013-12-12 Unitec Gmbh Technische Entwicklungen Device or tool for the continuous production of flexible single or multi-layer and material-saving plastic corrugated pipes in conjunction with corrugated tube forming machines and rotating molds.
WO2013113305A1 (en) * 2012-01-30 2013-08-08 Reifenhäuser GmbH & Co. KG Maschinenfabrik Spiral distributor, blown film die, blown film line, method for producing a blown film, and blown film

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2329792A1 (en) * 1973-06-12 1975-01-09 John J Farrell Plastics tube blowing head gives thorough mixing - in pref. spiral grooves between two surfaces leading to discharge annulus
US4285656A (en) * 1980-01-04 1981-08-25 Mobil Oil Corporation Tubular extrusion apparatus

Also Published As

Publication number Publication date
DE4218095C2 (en) 1994-12-08
IT1264796B1 (en) 1996-10-10
ITMI931137A1 (en) 1994-12-01
DE4218095A1 (en) 1993-12-09

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Legal Events

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

Effective date: 19970528