IT966053B - Apparecchio per l estrusione multipla - Google Patents

Apparecchio per l estrusione multipla

Info

Publication number
IT966053B
IT966053B IT52980/72A IT5298072A IT966053B IT 966053 B IT966053 B IT 966053B IT 52980/72 A IT52980/72 A IT 52980/72A IT 5298072 A IT5298072 A IT 5298072A IT 966053 B IT966053 B IT 966053B
Authority
IT
Italy
Prior art keywords
multiple extrusion
appliance
extrusion appliance
extrusion
Prior art date
Application number
IT52980/72A
Other languages
English (en)
Inventor
W Schrenk
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of IT966053B publication Critical patent/IT966053B/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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • 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
    • B29C48/255—Flow control means, e.g. valves
    • B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
    • 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
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • B29C48/495—Feed-blocks
IT52980/72A 1971-09-27 1972-09-26 Apparecchio per l estrusione multipla IT966053B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18378671A 1971-09-27 1971-09-27

Publications (1)

Publication Number Publication Date
IT966053B true IT966053B (it) 1974-02-11

Family

ID=22674282

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52980/72A IT966053B (it) 1971-09-27 1972-09-26 Apparecchio per l estrusione multipla

Country Status (12)

Country Link
US (1) US3924990A (it)
JP (1) JPS55222B2 (it)
AU (1) AU459444B2 (it)
BE (1) BE789279A (it)
BR (1) BR7206693D0 (it)
CA (1) CA1007015A (it)
DE (1) DE2247380C2 (it)
FR (1) FR2154579B1 (it)
GB (1) GB1410777A (it)
IT (1) IT966053B (it)
NL (1) NL171338B (it)
SE (1) SE395854B (it)

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US4208175A (en) * 1976-12-17 1980-06-17 Hpm Corporation Coextrusion feedblock and process
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FR2437289A1 (fr) * 1978-09-27 1980-04-25 Ono Dispositif d'alimentation d'une filiere de fabrication de feuilles en matiere thermoplastique
JPS5921779B2 (ja) * 1980-08-28 1984-05-22 住友ゴム工業株式会社 熱可塑性材料の多重押出用金型
US4336012A (en) * 1980-10-20 1982-06-22 The Standard Oil Company Coextrusion device
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US4388261A (en) * 1981-10-01 1983-06-14 The General Tire & Rubber Company Method for forming a compartmented puncture sealant package by co-extrusion
US4483669A (en) * 1982-08-16 1984-11-20 Cosden Technology, Inc. Multiple-layered sheeting apparatus
US4443397A (en) * 1982-08-16 1984-04-17 Cosden Technology, Inc. Multiple-layered sheeting apparatus and process therefor
US4669965A (en) * 1983-09-08 1987-06-02 Kabushiki Kaisha Plastic Kogaku Kenkyusho Multi-layer extrusion die
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US4783290A (en) * 1985-05-24 1988-11-08 Nabisco Brands, Inc. Method of changing die head for converting a co-extrusion apparatus
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DE3604004A1 (de) * 1986-02-08 1987-08-13 Reifenhaeuser Masch Breitschlitzduesenwerkzeug zum strangpressen von mehrschichtigen laminaten aus thermoplastischem kunststoff
JPH0655402B2 (ja) * 1986-02-19 1994-07-27 東芝機械株式会社 共押出装置
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US4708615A (en) * 1986-10-29 1987-11-24 The Dow Chemical Company Low pressure drop, modular coextrusion feedblock
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KR950001645B1 (ko) * 1987-10-02 1995-02-27 바스프 코포레이션 다성분 합성섬유의 제조방법 및 이에 사용되는 방사 팩 조립체
US5162074A (en) * 1987-10-02 1992-11-10 Basf Corporation Method of making plural component fibers
US5190711A (en) * 1988-06-09 1993-03-02 American National Can Company Methods for processing polymers
DE68927200T2 (de) * 1988-06-09 1997-04-24 American National Can Co Verfahren zum Herstellen von mehrschichtigen Folienmaterialien, Verfahren zur Verarbeitung von Polymeren, Extrusionsvorrichtung, polymerisches Folienmaterial und hiermit hergestellte Verpackung
DE8816689U1 (it) * 1988-06-29 1990-04-05 Reifenhaeuser Gmbh & Co Maschinenfabrik, 5210 Troisdorf, De
US5486949A (en) 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
DE3929002A1 (de) * 1989-09-01 1991-03-14 Schmidt Erwepa Maschf Vorrichtung zum extrudieren von kunststoff-mehrschichtfolien oder -platten
US5066444A (en) * 1990-07-05 1991-11-19 Dowbrands Inc. Process and apparatus for reducing color contamination in the process recycle of zippered thermoplastic bags
US5078942A (en) * 1990-08-16 1992-01-07 Griffco Plastics, Inc. Coextrusion method and apparatus
US5094793A (en) * 1990-12-21 1992-03-10 The Dow Chemical Company Methods and apparatus for generating interfacial surfaces
US5094788A (en) * 1990-12-21 1992-03-10 The Dow Chemical Company Interfacial surface generator
US5423783A (en) * 1991-09-30 1995-06-13 Minnesota Mining And Manufacturing Company Ostomy bag with elastic and heat sealable medical tapes
US5176952A (en) * 1991-09-30 1993-01-05 Minnesota Mining And Manufacturing Company Modulus nonwoven webs based on multi-layer blown microfibers
US5248455A (en) * 1991-09-30 1993-09-28 Minnesota Mining And Manufacturing Company Method of making transparent film from multilayer blown microfibers
US5238733A (en) * 1991-09-30 1993-08-24 Minnesota Mining And Manufacturing Company Stretchable nonwoven webs based on multi-layer blown microfibers
US5232770A (en) * 1991-09-30 1993-08-03 Minnesota Mining And Manufacturing Company High temperature stable nonwoven webs based on multi-layer blown microfibers
US5190812A (en) * 1991-09-30 1993-03-02 Minnesota Mining And Manufacturing Company Film materials based on multi-layer blown microfibers
FR2682318B1 (fr) * 1991-10-10 1994-07-22 Togum Groupe de co-extrusion a sorties paralleles multiples et a trois couleurs.
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.
US5882774A (en) * 1993-12-21 1999-03-16 Minnesota Mining And Manufacturing Company Optical film
EP0962807B1 (en) 1993-12-21 2008-12-03 Minnesota Mining And Manufacturing Company Multilayered optical film
US5500173A (en) * 1995-02-17 1996-03-19 Basf Corporation Method of making molded muticomponent articles using a thin plate flow distributor
DE19509375A1 (de) * 1995-03-15 1996-09-19 Rollepaal B V Maschf De Extrusionskopf für Kunststoffextruder
JP2928789B2 (ja) * 1996-04-20 1999-08-03 前田建設工業株式会社 層状材料の製造方法
US5976424A (en) * 1996-07-31 1999-11-02 Minnesota Mining And Manufacturing Company Method for making multilayer optical films having thin optical layers
US5762971A (en) * 1996-10-22 1998-06-09 Schirmer; Henry G. Modular disk coextrusion die
US20010046086A1 (en) * 1998-12-23 2001-11-29 3M Innovative Properties Company Polymeric interference film
US6398535B1 (en) 2000-03-21 2002-06-04 Cloeren Incorporated Layer sequence selecting device
DE10119066A1 (de) * 2001-04-18 2002-10-31 Topf Kunststofftechnik Gmbh Ki Vorrichtung zur Herstellung eines extrudierten Profilstranges
US7777397B2 (en) * 2007-03-12 2010-08-17 3M Innovative Properties Company Multilayer conductive elements
JP4910840B2 (ja) 2007-03-30 2012-04-04 株式会社Ｉｈｉ 膨張タービン
JP5451636B2 (ja) * 2007-12-31 2014-03-26 スリーエム イノベイティブ プロパティズ カンパニー 縁ポートを有する医療用手当て用品及び使用方法
CN104095709B (zh) 2009-06-16 2017-06-13 3M创新有限公司 具有自支承基底的适形医用敷料
WO2011008396A1 (en) * 2009-06-30 2011-01-20 3M Innovative Properties Company Extrusion die element, extrusion die and method for making multiple stripe extrudate from multilayer extrudate
US9718081B2 (en) * 2009-08-31 2017-08-01 Illinois Tool Works Inc. Metering system for simultaneously dispensing two different adhesives from a single metering device or applicator onto a common substrate
US9573159B2 (en) 2009-08-31 2017-02-21 Illinois Tool Works, Inc. Metering system for simultaneously dispensing two different adhesives from a single metering device or applicator onto a common substrate
US8870561B2 (en) 2012-03-16 2014-10-28 Bbs Corporation Layer sequence repeater module for a modular disk co-extrusion die and products thereof
US9108218B2 (en) 2012-04-19 2015-08-18 Nordson Corporation System and method for making multilayer films and a layer multiplication device
US10252457B2 (en) 2015-05-04 2019-04-09 Nordson Corporation Flow diverter valve for an extrusion system
US10220561B2 (en) 2015-05-04 2019-03-05 Nordson Corporation Extrusion device and method of use
EP3308939A1 (en) * 2016-10-17 2018-04-18 Nordson Corporation Flow diverter valve for an extrusion system
US11220035B2 (en) 2019-06-14 2022-01-11 Henry G. Schirmer Complex films made from modular disk coextrusion die with opposing disk arrangement
US11090853B2 (en) 2019-06-14 2021-08-17 Bbs Corporation Modular disk coextrusion die with opposing disk arrangement
US11173642B1 (en) 2021-04-09 2021-11-16 Bbs Corporation Blown film coextrusion line with polygonal extruder arrangement
US11338490B1 (en) 2021-04-09 2022-05-24 Bbs Corporation Blown film coextrusion line with polygonal extruder arrangement
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Also Published As

Publication number Publication date
GB1410777A (en) 1975-10-22
NL7213049A (it) 1973-03-29
JPS55222B2 (it) 1980-01-07
FR2154579B1 (it) 1976-01-30
BR7206693D0 (pt) 1973-07-24
AU4691172A (en) 1974-03-28
BE789279A (fr) 1973-03-26
FR2154579A1 (it) 1973-05-11
DE2247380C2 (de) 1985-10-10
NL171338B (nl) 1982-10-18
JPS4843047A (it) 1973-06-22
AU459444B2 (en) 1975-03-27
SE395854B (sv) 1977-08-29
DE2247380A1 (de) 1973-04-05
US3924990A (en) 1975-12-09
USB324739I5 (it) 1975-01-28
CA1007015A (en) 1977-03-22

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