CA1090971A - Producing articles by coextruding polyvinyl alcohol and another thermoplastic material - Google Patents

Producing articles by coextruding polyvinyl alcohol and another thermoplastic material

Info

Publication number
CA1090971A
CA1090971A CA271,812A CA271812A CA1090971A CA 1090971 A CA1090971 A CA 1090971A CA 271812 A CA271812 A CA 271812A CA 1090971 A CA1090971 A CA 1090971A
Authority
CA
Canada
Prior art keywords
polyvinyl alcohol
temperature
extruder
polymers
coextruded
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
CA271,812A
Other languages
English (en)
French (fr)
Inventor
Franco Ranalli
Leone Ortolani
Quinto Tisi
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.)
Montedison SpA
Original Assignee
Montedison 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
Priority claimed from IT2028076A external-priority patent/IT1055900B/it
Priority claimed from IT2028176A external-priority patent/IT1055976B/it
Application filed by Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of CA1090971A publication Critical patent/CA1090971A/en
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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material 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
    • B29C48/09—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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit 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
    • B29C48/16—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
    • 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
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0872—Weight
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7248—Odour barrier
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/043—HDPE, i.e. high density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B32B2323/046—LDPE, i.e. low density polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • 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
    • B32B2329/00—Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals
    • B32B2329/04—Polyvinylalcohol
    • 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
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA271,812A 1976-02-18 1977-02-15 Producing articles by coextruding polyvinyl alcohol and another thermoplastic material Expired CA1090971A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT20281A/76 1976-02-18
IT2028076A IT1055900B (it) 1976-02-18 1976-02-18 Procedimento per la produzione di articoli bi o multistratrati accop piati e coestrusi in materiale termoplastico impermeabili ai gas ai vapori ed agli odori
IT2028176A IT1055976B (it) 1976-02-18 1976-02-18 Articoli a superficie chiusa bi o multistrati accoppiati e coestrusi in materiale termoplastico impermeabili ai gas ai vapori ed agli odori
IT20280A/76 1976-02-18

Publications (1)

Publication Number Publication Date
CA1090971A true CA1090971A (en) 1980-12-09

Family

ID=26327470

Family Applications (1)

Application Number Title Priority Date Filing Date
CA271,812A Expired CA1090971A (en) 1976-02-18 1977-02-15 Producing articles by coextruding polyvinyl alcohol and another thermoplastic material

Country Status (20)

Country Link
US (1) US4244914A (en, 2012)
JP (1) JPS52100561A (en, 2012)
AT (1) AT372903B (en, 2012)
AU (1) AU511816B2 (en, 2012)
BR (1) BR7701061A (en, 2012)
CA (1) CA1090971A (en, 2012)
CH (1) CH616365A5 (en, 2012)
CS (1) CS210611B2 (en, 2012)
DE (1) DE2706882C2 (en, 2012)
DK (1) DK154615C (en, 2012)
ES (1) ES456391A1 (en, 2012)
FR (1) FR2341433A1 (en, 2012)
GB (1) GB1544780A (en, 2012)
GR (1) GR82304B (en, 2012)
HU (1) HU179544B (en, 2012)
IN (1) IN145943B (en, 2012)
NL (1) NL189238C (en, 2012)
SE (1) SE428542B (en, 2012)
SU (1) SU871735A3 (en, 2012)
YU (1) YU39184B (en, 2012)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1579872A (en) * 1977-03-08 1980-11-26 Ucb Sa Cylindrical container body for packaging pressurised and nonpressurised materials
FR2416784A1 (fr) * 1978-02-13 1979-09-07 Rhone Poulenc Ind Procede de fabrication de corps creux biorientes
EP0030091B1 (en) * 1979-11-28 1986-02-26 Wirsbo Bruks Aktiebolag Gaseous diffusion resistant article
DE3047181A1 (de) * 1980-12-15 1982-06-16 Hoechst Ag, 6000 Frankfurt Kunststoffrohr mit sauerstoffdichter ummantelung
FR2507125A1 (fr) * 1981-06-03 1982-12-10 Rhone Poulenc Spec Chim Procede de preparation de corps creux biorientes en matiere thermoplastique, comportant un revetement impermeable aux gaz et resistant a l'eau et les corps creux obtenus conformement a ce procede
US4731266A (en) * 1981-06-03 1988-03-15 Rhone-Poulenc, S.A. Water-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articles
JPS5894432A (ja) * 1981-11-28 1983-06-04 バスフ　アクチエンゲゼルシヤフト ビニルアルコ−ル重合体から平面状成形体を製造する方法
US4536532A (en) * 1982-05-27 1985-08-20 Miller Gerald W Plasticized polyvinyl alcohol compositions, forming process and formed articles
US4478971A (en) * 1983-07-08 1984-10-23 Shakespeare Company High temperature extruded polyvinyl alcohol monofilament and process for the preparation thereof
US4649004A (en) * 1983-12-27 1987-03-10 Toyo Seikan Kaisha, Ltd. Process for production of multi-layer pipes for draw-forming
US4558792A (en) * 1984-04-12 1985-12-17 Baxter Travenol Laboratories, Inc. Container such as a nursing container, with flexible liner and access site and method of making said access site
WO1985004572A1 (en) * 1984-04-12 1985-10-24 Baxter Travenol Laboratories, Inc. Container such as a nursing container, with flexible liner and access site and method of making same
GB2163386A (en) * 1984-07-20 1986-02-26 Windmoeller & Hoelscher Co-extruding a substrate web of synthetic thermoplastic material and an adhesive layer consisting of a non-crosslinkable elastomer
DE3510395A1 (de) * 1985-03-22 1986-09-25 Technoform Caprano + Brunnhofer KG, 3501 Fuldabrück Kraftstoffuehrende, mit vorgegebener laenge fest installierbare leitung fuer ein kraftfahrzeug
US4942008A (en) * 1985-07-10 1990-07-17 Cahill John W Process for molding a multiple layer structure
US4643927A (en) * 1985-07-18 1987-02-17 The Dow Chemical Company Tubular, multi-layer film and method of making
CA1296852C (en) * 1985-10-11 1992-03-10 Henry George Schirmer High oxygen barrier coextruded film
JPS62227712A (ja) * 1986-03-31 1987-10-06 Toyo Seikan Kaisha Ltd オレフィン―ビニルアルコール共重合体の射出成形体及びその製法
GB8630863D0 (en) * 1986-12-24 1987-02-04 Grace W R & Co Laminated articles
DE3700237A1 (de) * 1987-01-07 1988-07-21 Bekum Maschf Gmbh Co-extrusionskopf
US4822547A (en) * 1987-04-06 1989-04-18 Shell Oil Company Process for the extrusion of compositions comprising polypropylene, polyvinyl alcohol and a polypropylene-polyvinyl alcohol adhesive
US4906421A (en) * 1987-07-01 1990-03-06 Avery International Corporation Process for making high performance pressure sensitive adhesive tapes
SE8704657L (sv) * 1987-11-24 1989-05-25 Plm Ab Behaallare
US4851168A (en) * 1988-12-28 1989-07-25 Dow Corning Corporation Novel polyvinyl alcohol compositions and products prepared therefrom
US5137969A (en) * 1989-09-01 1992-08-11 Air Products And Chemicals, Inc. Melt extrudable polyvinyl alcohol pellets having reduced maximum melt temperature and reduced gel content
US5051222A (en) * 1989-09-01 1991-09-24 Air Products And Chemicals, Inc. Method for making extrudable polyvinyl alcohol compositions
ATE91638T1 (de) * 1989-09-25 1993-08-15 Schneider Usa Inc Mehrschichtextrusion als verfahren zur herstellung von ballons zur gefaessplastik.
DE4001126C1 (en, 2012) * 1989-11-20 1990-12-13 Technoform Caprano + Brunnhofer Kg, 3501 Fuldabrueck, De
FR2662638B1 (fr) * 1990-05-31 1997-09-05 Nok Corp Feuille laminee resistante au froid et formant barriere aux gaz, vessie pour accumulateur et accumulateur la comprenant.
US5798152A (en) * 1990-07-24 1998-08-25 Novon International Biodegradable composite polymeric articles comprising polyvinyl alcohol
US5195969A (en) 1991-04-26 1993-03-23 Boston Scientific Corporation Co-extruded medical balloons and catheter using such balloons
JPH06511507A (ja) * 1991-10-01 1994-12-22 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー 同時押出感圧粘着テープおよびその製造方法
US5589122A (en) * 1991-10-01 1996-12-31 Minnesota Mining And Manufacturing Company Method of making double-sided pressure-sensitive adhesive tape
US6378562B1 (en) * 1992-04-14 2002-04-30 Itt Industries, Inc. Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
US5865218A (en) 1992-04-14 1999-02-02 Itt Corporation Multi-layer fuel and vapor tube
US5678611A (en) * 1992-04-14 1997-10-21 Itt Corporation Multi-layer fuel and vapor tube
US5524673A (en) * 1992-04-14 1996-06-11 Itt Corporation Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
US5884672A (en) * 1992-04-14 1999-03-23 Itt Industries, Inc. Multi-layer fuel and vapor tube
US6321795B1 (en) 1992-04-14 2001-11-27 Itt Industries, Inc. Multi-layer fuel and vapor tube
FI944958L (fi) * 1992-04-23 1994-12-12 British Tech Group Int Polymeerituotteet ja -materiaalit
US6896842B1 (en) 1993-10-01 2005-05-24 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
EP0738168B1 (en) * 1993-10-01 2004-01-21 Boston Scientific Corporation Medical device balloons containing thermoplastic elastomers
US5590691A (en) 1994-05-02 1997-01-07 Itt Corporation Extruded multiple plastic layer coating bonded to a metal tube
US5520223A (en) * 1994-05-02 1996-05-28 Itt Industries, Inc. Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same
US5566720A (en) * 1995-01-10 1996-10-22 Itt Corporation Elongated fuel and vapor tube having multiple layers and method of making the same
US6130404A (en) 1997-03-03 2000-10-10 Itt Automotive, Inc. Electro-optical removal of plastic layer bonded to a metal tube
US6180197B1 (en) 1998-02-13 2001-01-30 Itt Manufacturing Enterprises, Inc. Multi-layer tubing having at least one intermediate layer formed from a polyamide/polyketone alloy
US6257281B1 (en) 1998-02-13 2001-07-10 Itt Manufacturing Enterprises, Inc. Multi-layer tubing having at least one intermediate layer formed from a polyamide alloy
SE511766C2 (sv) † 1998-03-23 1999-11-22 Wirsbo Bruks Ab Flerskiktsrör av plast och dess användning
WO1999054400A1 (en) 1998-04-20 1999-10-28 Kwang Myung Pharm. Ind. Co., Ltd. Compositions of polyolefin and polyvinyl alcohol, and films, sheets and articles processed therefrom and multilayer products using the same
US5960977A (en) * 1998-05-14 1999-10-05 Itt Manufacturing Enterprises, Inc. Corrugated polymeric filler neck tubing
US6240970B1 (en) 1999-04-01 2001-06-05 Itt Manufacturing Enterprises, Inc. Tubing for handling hydrocarbon materials and having an outer jacket layer adhered thereto
US6276400B1 (en) 1999-06-08 2001-08-21 Itt Manufacturing Enterprises, Inc. Corrosion resistant powder coated metal tube and process for making the same
US7947059B2 (en) 2000-03-02 2011-05-24 Boston Scientific Scimed, Inc. Multilayer medical device
GB2366781A (en) * 2000-09-19 2002-03-20 Shya Hsin Plastic Works Co Ltd Three-layer moulded container
CN1209425C (zh) * 2001-07-04 2005-07-06 三菱丽阳株式会社 塑料溶胶组合物、凝胶化膜及物品
US7488339B2 (en) * 2002-10-21 2009-02-10 Boston Scientific Scimed, Inc. Multilayer medical device
US6951675B2 (en) * 2003-01-27 2005-10-04 Scimed Life Systems, Inc. Multilayer balloon catheter
DE10347907A1 (de) * 2003-10-15 2005-05-25 Bernd Hansen Verfahren und Vorrichtung zur Herstellung gefüllter und verschlossener Behälter
DE102004004755A1 (de) * 2004-01-30 2005-08-25 Bernd Hansen Verfahren und Vorrichtung zum Herstellen und Befüllen von Behältern
CA2711750A1 (en) * 2007-10-29 2009-05-07 Belmay, Inc. Bio-plastic composite material, method of making same, and method of using same
RU2447995C2 (ru) * 2011-03-09 2012-04-20 Алексей Николаевич Докукин Экструзионный способ получения плоской нити из синтетического сырья
RU2448831C2 (ru) * 2011-03-09 2012-04-27 Алексей Николаевич Докукин Экструзионная линия для получения плоской нити из синтетического сырья
US9221204B2 (en) * 2013-03-14 2015-12-29 Kortec, Inc. Techniques to mold parts with injection-formed aperture in gate area
CN112895372B (zh) * 2020-03-11 2022-12-23 青岛海诺瓦型材制造有限公司 一种塑料挤出管件的连续成型印花装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1026349A (en) * 1961-10-27 1966-04-20 Kurashiki Rayon Kk Method of manufacturing thin films of polyvinyl alcohols
US3365413A (en) * 1963-07-23 1968-01-23 Monsanto Co Polyvinyl alcohol films plasticized with monophenyl ether of polyoxyethylene
US3440316A (en) * 1963-12-05 1969-04-22 Kuraray Co Method of manufacturing improved polyvinyl alcohol films
US3561493A (en) * 1965-04-21 1971-02-09 Paul Maillard Composite tubes and method of manufacturing same
US3607812A (en) * 1968-12-17 1971-09-21 Denki Kagaku Kogyo Kk Method of manufacturing polyvinyl alcohol films and product
US3620435A (en) * 1968-12-24 1971-11-16 Kuraray Co Food packaging container comprising molded laminated polyethylene and ethylene-vinylalcohol
US3679437A (en) * 1969-05-26 1972-07-25 Tee Pak Inc Preparation of fibrous reinforced sausage-type casings from melt-extruded polyvinyl alcohol resins
JPS5141157B2 (en, 2012) * 1972-08-08 1976-11-08
DE2345049A1 (de) * 1973-09-06 1975-03-20 Breyer Anton Fa Verfahren und vorrichtung zur herstellung von thermoplastischen mehrschichtwerkstoffen
JPS5223368B2 (en, 2012) * 1973-11-26 1977-06-23

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HU179544B (en) 1982-11-29
NL189238B (nl) 1992-09-16
NL7701534A (nl) 1977-08-22
CH616365A5 (en, 2012) 1980-03-31
AU2237877A (en) 1978-08-24
NL189238C (nl) 1993-02-16
DK62377A (da) 1977-08-19
SE428542B (sv) 1983-07-11
GB1544780A (en) 1979-04-25
AU511816B2 (en) 1980-09-04
ATA102777A (de) 1983-04-15
US4244914A (en) 1981-01-13
IN145943B (en, 2012) 1979-01-20
AT372903B (de) 1983-11-25
ES456391A1 (es) 1978-01-16
DE2706882C2 (de) 1987-05-14
FR2341433A1 (fr) 1977-09-16
DE2706882A1 (de) 1977-09-01
CS210611B2 (en) 1982-01-29
SU871735A3 (ru) 1981-10-07
JPS52100561A (en) 1977-08-23
SE7701622L (sv) 1977-08-19
DK154615B (da) 1988-12-05
YU42977A (en) 1982-05-31
GR82304B (en, 2012) 1984-12-13
FR2341433B1 (en, 2012) 1981-07-03
BR7701061A (pt) 1977-10-18
JPS6140536B2 (en, 2012) 1986-09-10
YU39184B (en) 1984-08-31
DK154615C (da) 1989-05-22

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