ES328596A1 - Un metodo de fabricacion de una pelicula para empaquetar. - Google Patents

Un metodo de fabricacion de una pelicula para empaquetar.

Info

Publication number
ES328596A1
ES328596A1 ES0328596A ES328596A ES328596A1 ES 328596 A1 ES328596 A1 ES 328596A1 ES 0328596 A ES0328596 A ES 0328596A ES 328596 A ES328596 A ES 328596A ES 328596 A1 ES328596 A1 ES 328596A1
Authority
ES
Spain
Prior art keywords
translation
packaging
polymers
film
manufacturing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES0328596A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
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
Publication of ES328596A1 publication Critical patent/ES328596A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C48/30—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y10T428/3192—Next to vinyl or vinylidene chloride polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ES0328596A 1965-07-01 1966-07-01 Un metodo de fabricacion de una pelicula para empaquetar. Expired ES328596A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46888665A 1965-07-01 1965-07-01

Publications (1)

Publication Number Publication Date
ES328596A1 true ES328596A1 (es) 1967-08-16

Family

ID=23861633

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0328596A Expired ES328596A1 (es) 1965-07-01 1966-07-01 Un metodo de fabricacion de una pelicula para empaquetar.

Country Status (10)

Country Link
US (1) US3524795A (es)
JP (1) JPS5141667B1 (es)
BE (1) BE683208A (es)
BR (1) BR6680853D0 (es)
DE (1) DE1629360C3 (es)
DK (1) DK120662C (es)
ES (1) ES328596A1 (es)
GB (1) GB1146647A (es)
NL (1) NL140779B (es)
SE (1) SE325705B (es)

Families Citing this family (91)

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US3673050A (en) * 1970-02-05 1972-06-27 Dow Chemical Co A laminate of a barrier layer enclosed in rigid high density polyolefin layers
US3615038A (en) * 1970-04-21 1971-10-26 American Can Co Laminated container body
US3912843A (en) * 1970-06-29 1975-10-14 Milprint Inc Flexible packaging film
US3924051A (en) * 1970-09-08 1975-12-02 American Can Co Oriented saran coextrudate
US3932693A (en) * 1970-10-19 1976-01-13 Continental Can Company, Inc. Laminated packaging film having low vapor and gas permeability
US3977153A (en) * 1970-11-06 1976-08-31 The Dow Chemical Company Container for food products and method for making same
US3953557A (en) * 1971-03-30 1976-04-27 W. R. Grace & Co. Polymer film with narrow molecular weight distribution and saran and laminates thereof
US4082829A (en) * 1971-03-30 1978-04-04 W. R. Grace & Co. Process for melt extruding coating grade saran
GB1385196A (en) * 1971-06-23 1975-02-26 Grace W R & Co Process for the production of laminates
CA1007015A (en) * 1971-09-27 1977-03-22 Walter J. Schrenk Coextrusion apparatus
US4057667A (en) * 1972-03-24 1977-11-08 American Can Company Oriented saran coextrudate
JPS5141157B2 (es) * 1972-08-08 1976-11-08
US4089726A (en) * 1972-12-22 1978-05-16 Sumitomo Bakelite Company, Limited Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride
US4029850A (en) * 1972-12-27 1977-06-14 Sumitomo Bakelite Company, Limited Adhesive comprising post-chlorinated polyethylene and polyvinyl chloride
US3887757A (en) * 1973-05-29 1975-06-03 Inmont Corp Laminates having a polyurethane adhesive
US4132050A (en) * 1973-12-21 1979-01-02 Imperial Chemical Industries Limited Polyolefin films
US3923190A (en) * 1974-05-13 1975-12-02 Continental Can Co Plastic containers having improved physical properties fabricated from a composite billet
CH595412A5 (es) * 1974-02-05 1978-02-15 Ciba Geigy Ag
ZA75470B (en) * 1974-06-24 1976-01-28 J Dukees Process and apparatus for the manufacture of plastic sandwich elements
DE2548875A1 (de) * 1974-10-31 1976-05-13 Cosden Technology Verfahren zur herstellung von zusammengesetztem bahnmaterial
US4020228A (en) * 1974-11-11 1977-04-26 W. R. Grace & Co. Gel composition, heat sealable substrates, and process for heat sealing
SE420897B (sv) * 1975-10-24 1981-11-09 Ziristor Ab Sett att framstella ett symmetriskt, av homogena och cellformiga plastskikt uppbyggt forpackningslaminat
US4206165A (en) * 1976-03-26 1980-06-03 Tri-Seal International, Inc. Method of co-extrusion with foam core
US4276330A (en) * 1976-10-22 1981-06-30 Crown Zellerbach Corporation Trilaminate film for forming sideweld bags
US4048378A (en) * 1976-12-08 1977-09-13 Browne Packaging, Inc. Adhesive laminated packaging materials
JPS5382888A (en) * 1976-12-29 1978-07-21 Kureha Chem Ind Co Ltd Co-extruded five-layered drawn cylindrical film and its manufacture
US4263080A (en) * 1977-03-07 1981-04-21 Ludlow Corporation Method of making package for photographic film
GB1579872A (en) * 1977-03-08 1980-11-26 Ucb Sa Cylindrical container body for packaging pressurised and nonpressurised materials
US4288488A (en) * 1977-09-13 1981-09-08 Kureha Kagaku Kogyo Kabushiki Kaisha Laminated packing material with a high gas-impermeablility and an advantageous workability
JPS5443282A (en) * 1977-09-13 1979-04-05 Kureha Chem Ind Co Ltd Multilayered laminate with high gas barrier property
US4278738A (en) * 1978-03-10 1981-07-14 W. R. Grace & Co. Ethylene-vinyl acetate copolymer film laminate
US4201209A (en) * 1978-05-24 1980-05-06 Leveen Harry H Molded hypodermic plunger with integral shaft and elastomeric head
US4169910A (en) * 1978-06-28 1979-10-02 Union Carbide Corporation Multilayer film including polyolefin layers and a polybutylene layer useful for the production of bags
JPS5565552A (en) * 1978-10-11 1980-05-17 Toyo Boseki Packing body with excellent sealing property
US4229241A (en) * 1978-12-04 1980-10-21 W. R. Grace & Co. Process for making a multi layer polyolefin shrink film
AU533447B2 (en) 1978-12-18 1983-11-24 Asahi Kasei Kogyo Kabushiki Kaisha Stretching multi layer film
US4355721A (en) * 1979-05-11 1982-10-26 American Can Company Package for food products
US4407897A (en) 1979-12-10 1983-10-04 American Can Company Drying agent in multi-layer polymeric structure
EP0032027B1 (en) 1979-12-25 1983-07-13 Kureha Kagaku Kogyo Kabushiki Kaisha Heat-shrinkable laminate film and process for producing the same
US4414731A (en) * 1980-03-31 1983-11-15 Replogle Globes, Inc. Method of manufacture of raised relief illuminated globe
US4376799A (en) * 1980-09-16 1983-03-15 The Dow Chemical Company Quiet film and container
JPS5775856A (en) * 1980-10-31 1982-05-12 Kureha Chemical Ind Co Ltd Laminated film
CA1201395A (en) * 1981-06-03 1986-03-04 Yoshitsugu Maruhashi Plastic vessel excellent in storability
US4391862A (en) * 1981-07-02 1983-07-05 W. R. Grace & Co., Cryovac Division Pasteurizable thermoplastic film and receptacle therefrom
US4590106A (en) * 1981-10-05 1986-05-20 American Can Company Heat resistant heat shrinkable films
US4363841A (en) * 1981-12-28 1982-12-14 Champion International Corporation Laminated packaging material
US4532189A (en) * 1982-02-19 1985-07-30 W. R. Grace & Co., Cryovac Div. Linear polyethylene shrink films
US4457960A (en) * 1982-04-26 1984-07-03 American Can Company Polymeric and film structure for use in shrink bags
US4448792A (en) * 1982-07-26 1984-05-15 W. R. Grace & Co., Cryovac Division Pasteurizable and cook-in shrink bag constructed of a multilayer film
JPS5995679U (ja) * 1982-12-17 1984-06-28 松下電工株式会社 電線引出し穴部の構造
US4724176A (en) * 1983-03-18 1988-02-09 Sun Joseph Z Heat shrinkable container
US4529563A (en) * 1983-11-21 1985-07-16 Robert G. Fais Vaporous solvent treatment of thermoplastic substrates
FR2567804B1 (fr) * 1984-07-19 1986-12-05 Solvay Structures thermoplastiques rigides et semi-rigides a couches polymeriques multiples coextrudees comprenant une couche interne en copolymere du chlorure de vinylidene
US4997690A (en) * 1984-12-03 1991-03-05 Viskase Corporation Irradiated multilayer film for primal meat packaging
US4608302A (en) * 1985-01-30 1986-08-26 W. R. Grace & Co., Cryovac Div. Oriented films from propylene copolymers and unplasticized saran
US7052753B1 (en) 1985-05-16 2006-05-30 Pechiney Emballage Flexible Europe Multiple layer polymeric films and process for making them
US4894107A (en) 1985-05-16 1990-01-16 American National Can Company Process for making multiple layer polymeric films
US4647509A (en) * 1985-10-07 1987-03-03 The Dow Chemical Company Thermoformable multilayer barrier structures
DE3604004A1 (de) * 1986-02-08 1987-08-13 Reifenhaeuser Masch Breitschlitzduesenwerkzeug zum strangpressen von mehrschichtigen laminaten aus thermoplastischem kunststoff
DE3604002A1 (de) * 1986-02-08 1987-08-13 Reifenhaeuser Masch Verfahren zur herstellung von verpackungsbaendern
JPS62273849A (ja) * 1986-05-23 1987-11-27 呉羽化学工業株式会社 熱収縮性複合フイルム及びその製造方法
EP0264708A1 (de) * 1986-10-11 1988-04-27 ER-WE-PA Maschinenfabrik und Eisengiesserei GmbH Verfahren und Vorrichtung zum Extrudieren einer mehrschichtigen Folienbahn aus thermoplastischem Kunststoffmaterial
US4708615A (en) * 1986-10-29 1987-11-24 The Dow Chemical Company Low pressure drop, modular coextrusion feedblock
US4970041A (en) * 1987-10-13 1990-11-13 Mobay Corporation Coextruded structures
US4965136A (en) * 1988-08-16 1990-10-23 W. R. Grace & Co.-Conn. Extruded vinylidene chloride copolymer flexible packaging film
FR2646634B1 (fr) * 1989-05-05 1991-08-30 Solvay Structures a couches polymeriques multiples comprenant une couche en polymere du fluorure de vinylidene liee a une couche en polymere polaire
US5030511A (en) * 1989-06-09 1991-07-09 W. R. Grace & Co.-Conn. Extruded vinylidene chloride copolymer flexible packaging film
US5147594A (en) * 1989-06-09 1992-09-15 W. R. Grace & Co.-Conn. Extruding vinylidene chloride copolymer flexible packaging film
US5248470A (en) * 1990-03-09 1993-09-28 The Dow Chemical Company Process of biaxially orienting coextruded barrier films of polyvinylidene chloride and an alkyl acrylate
US5164268A (en) * 1990-03-09 1992-11-17 The Dow Chemical Company Oriented coextruded barrier films of polyvinylidene chloride copolymers
US5202188A (en) * 1991-08-23 1993-04-13 W. R. Grace & Co.-Conn. Vinylidene chloride film
NZ244002A (en) * 1991-08-23 1996-03-26 Grace W R & Co Extrudable composition containing plasticiser, acrylate/styrene polymer and vinylidene chloride copolymer; multilayer polymeric films
US5496295A (en) * 1991-12-18 1996-03-05 Minnesota Mining And Manufacturing Company Multilayered barrier structures
DE69228827T2 (de) * 1991-12-18 1999-10-21 Minnesota Mining And Mfg. Co., Saint Paul Mehrschichtige sperrstrukturen
US5234649A (en) * 1992-06-15 1993-08-10 The Cloeren Company End feed extrusion
CA2104625A1 (en) * 1992-12-17 1994-06-18 Cryovac, Inc. Extrudable vinylidene chloride polymeric film
JP3439792B2 (ja) * 1993-04-28 2003-08-25 株式会社細川洋行 包装材料の製造方法
US6291565B1 (en) 1994-05-19 2001-09-18 The Dow Chemical Company Food packaging film
US5538770A (en) * 1994-11-18 1996-07-23 W. R. Grace & Co. -Conn. Vinylidene chloride film with controlled gas permeability
DE19802646C1 (de) * 1998-01-24 2000-02-17 Heinz Gros Verfahren zur Herstellung einer mehrschichtigen Bahn mit geringen Schichtdickentoleranzen
US6499878B1 (en) 1999-12-21 2002-12-31 Pactiv Corporation Reclosable packages with barrier properties
US6777011B2 (en) * 2001-06-28 2004-08-17 Crosswind Industries, Inc. Multi-layer food product, system and process
DE10162353A1 (de) * 2001-12-18 2003-07-03 Roehm Gmbh Extrusionsdüse für Folien oder Platten mit seitlicher Schmelzeeinspeisung
US7385004B2 (en) * 2002-12-10 2008-06-10 Cellresin Technologies, Llc Enhanced lubrication in polyolefin closure with polyolefin grafted cyclodextrin
US8129450B2 (en) 2002-12-10 2012-03-06 Cellresin Technologies, Llc Articles having a polymer grafted cyclodextrin
US7166671B2 (en) 2002-12-10 2007-01-23 Cellresin Technologies, Llc Grafted cyclodextrin
US6838520B2 (en) * 2003-05-29 2005-01-04 Equistar Chemicals, Lp Adhesives for fluoropolymer films and structures containing same
US8148466B2 (en) 2004-05-24 2012-04-03 Cellresin Technologies, Llc Amphoteric grafted barrier materials
US8152902B2 (en) 2009-09-30 2012-04-10 Cellresin Technologies, Llc Packaging material such as film, fiber, woven and nonwoven fabric with adsorbancy
CA2744780C (en) 2011-06-23 2014-01-14 Willard E. Wood A material and method for absorbing unwanted or target substances from a gas or vapor phase
CN114702768B (zh) * 2022-04-15 2023-08-04 江苏永润包装材料有限公司 一种药品包装用防反光pvc复合膜及其制备方法

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US2893908A (en) * 1956-08-27 1959-07-07 Goodrich Co B F Novel barrier layer in laminated structure
US3086216A (en) * 1959-07-21 1963-04-23 Cee Bee Mfg Company Inc Reinforced protected decorative strip materials
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US3170013A (en) * 1960-12-20 1965-02-16 Ploetz Theodor Method of producing laminated plastic foils and films
US3219734A (en) * 1961-06-19 1965-11-23 Mearl Corp Method of making nacreous cast plastic exhibiting multiple color effects
US3223761A (en) * 1962-04-30 1965-12-14 Union Carbide Corp Melt extrusion of multi-wall plastic tubing
US3274004A (en) * 1963-05-14 1966-09-20 Curwood Inc Laminated food package
GB1056026A (en) * 1963-05-14 1967-01-25 Curwood Inc Flexible wrapping material
BE653675A (es) * 1963-10-02 1965-03-29
US3321804A (en) * 1964-10-14 1967-05-30 Dow Chemical Co Extrusion of wide thermoplastic film and sheet

Also Published As

Publication number Publication date
GB1146647A (en) 1969-03-26
BR6680853D0 (pt) 1973-12-18
DK120662B (es) 1971-06-28
DK120662C (da) 1971-12-13
DE1629360A1 (de) 1972-02-24
SE325705B (es) 1970-07-06
BE683208A (es) 1966-12-27
DE1629360C3 (de) 1983-01-05
NL6609203A (es) 1967-01-02
US3524795A (en) 1970-08-18
DE1629360B2 (de) 1976-03-11
NL140779B (nl) 1974-01-15
JPS5141667B1 (es) 1976-11-11

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