DK141495C - - Google Patents

Info

Publication number
DK141495C
DK141495C DK266975A DK266975A DK141495C DK 141495 C DK141495 C DK 141495C DK 266975 A DK266975 A DK 266975A DK 266975 A DK266975 A DK 266975A DK 141495 C DK141495 C DK 141495C
Authority
DK
Denmark
Application number
DK266975A
Other languages
Danish (da)
Other versions
DK266975A (xx
DK141495B (da
Inventor
G Giannarelli
W Movilli
Original Assignee
Montedison 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 Montedison S.P.A. filed Critical Montedison S.P.A.
Publication of DK266975A publication Critical patent/DK266975A/da
Publication of DK141495B publication Critical patent/DK141495B/da
Application granted granted Critical
Publication of DK141495C publication Critical patent/DK141495C/da

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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/872—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone characterised by differential heating or cooling
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DK266975AA 1974-06-17 1975-06-13 Ekstrusionsapparat med et antal rør indskudt mellem et ekstrusionshoved og en bredslidsdyse. DK141495B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2402974 1974-06-17
IT24029/74A IT1015100B (it) 1974-06-17 1974-06-17 Procedimento e relativa apparecchia tura per l estrusione di profilati di materiale termoplastico partico larmente di lastre e profilati si mili

Publications (3)

Publication Number Publication Date
DK266975A DK266975A (xx) 1975-12-18
DK141495B DK141495B (da) 1980-03-31
DK141495C true DK141495C (xx) 1980-09-29

Family

ID=11211569

Family Applications (1)

Application Number Title Priority Date Filing Date
DK266975AA DK141495B (da) 1974-06-17 1975-06-13 Ekstrusionsapparat med et antal rør indskudt mellem et ekstrusionshoved og en bredslidsdyse.

Country Status (13)

Country Link
US (1) US4061462A (xx)
JP (1) JPS5112871A (xx)
AR (1) AR208320A1 (xx)
BR (1) BR7503764A (xx)
CA (1) CA1058366A (xx)
DE (1) DE2526911A1 (xx)
DK (1) DK141495B (xx)
ES (1) ES438614A1 (xx)
FR (1) FR2274435A1 (xx)
GB (1) GB1508851A (xx)
IT (1) IT1015100B (xx)
NL (1) NL7507062A (xx)
SE (1) SE7506795L (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934592C1 (xx) * 1989-10-17 1990-10-11 Werner & Pfleiderer Gmbh, 7000 Stuttgart, De
DE4109369A1 (de) * 1991-03-22 1992-09-24 Reifenhaeuser Masch Werkzeugkopf zum strangpressen von schlauchfoermigen oder rohrfoermigen vorformlingen aus thermoplastifiziertem kunststoff
US5460772A (en) * 1991-12-27 1995-10-24 Nippon Steel Chemical Co., Ltd. Process for multilayer blow molding
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.
EP0735952B1 (en) 1993-12-21 2000-03-22 Minnesota Mining And Manufacturing Company Multilayered optical film
US5866050A (en) * 1997-02-06 1999-02-02 E. I. Du Pont De Nemours And Company Method and spinning apparatus having a multiple-temperature control arrangement therein
US6808658B2 (en) * 1998-01-13 2004-10-26 3M Innovative Properties Company Method for making texture multilayer optical films
EP2147771B1 (en) * 1998-01-13 2018-07-11 Minnesota Mining And Manufacturing Company Process for making multilayer optical films
WO2003004246A1 (en) * 2001-07-05 2003-01-16 J.R. Simplot Company Multilane extruder system
US7611347B1 (en) * 2009-04-08 2009-11-03 Wenger Manufacturing Inc. Extrusion die assembly for high density products
CA3042742C (en) * 2016-12-01 2023-05-09 Husky Injection Molding Systems Ltd. Channel geometry for promoting at least one of a uniform velocity profile and a uniform temperature profile for an annular or part-annular melt flow
CN108943641A (zh) * 2017-05-22 2018-12-07 徐钰慧 中空发泡板材的制造方法
CN109605771A (zh) * 2018-11-23 2019-04-12 乐昌市联丰科技有限公司 一种内肋增强双组份螺旋波纹管生产工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2291212A (en) * 1940-01-13 1942-07-28 James C Clinefelter Extruding machine
NL177215B (nl) * 1952-03-28 Lipha Werkwijze voor de bereiding van een geneesmiddel met vaatverwijdende werking en werkwijze voor de bereiding van een diethylaminoethylester van een 3-naftyl-2-tetrahydrofurfurylpropionzuurverbinding.
BE522383A (xx) * 1952-08-28 1900-01-01
US2821745A (en) * 1953-12-11 1958-02-04 Firestone Tire & Rubber Co Plastic tube extruder
US3601846A (en) * 1970-01-26 1971-08-31 Eastman Kodak Co Spinneret assembly for multicomponent fibers

Also Published As

Publication number Publication date
AR208320A1 (es) 1976-12-20
SE7506795L (sv) 1975-12-18
CA1058366A (en) 1979-07-17
IT1015100B (it) 1977-05-10
US4061462A (en) 1977-12-06
FR2274435A1 (fr) 1976-01-09
BR7503764A (pt) 1976-07-06
DK266975A (xx) 1975-12-18
GB1508851A (en) 1978-04-26
DK141495B (da) 1980-03-31
ES438614A1 (es) 1977-07-01
DE2526911A1 (de) 1976-01-02
JPS5112871A (xx) 1976-01-31
FR2274435B1 (xx) 1977-07-08
NL7507062A (nl) 1975-12-19

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