IT1078004B - Laminati di pellicole di polietilene bassa densita'bloccate insieme,procedimento per la loro fabbricazione e borse e sacchi fatti da essi - Google Patents

Laminati di pellicole di polietilene bassa densita'bloccate insieme,procedimento per la loro fabbricazione e borse e sacchi fatti da essi

Info

Publication number
IT1078004B
IT1078004B IT19181/77A IT1918177A IT1078004B IT 1078004 B IT1078004 B IT 1078004B IT 19181/77 A IT19181/77 A IT 19181/77A IT 1918177 A IT1918177 A IT 1918177A IT 1078004 B IT1078004 B IT 1078004B
Authority
IT
Italy
Prior art keywords
bags
manufacture
density polyethylene
low density
polyethylene film
Prior art date
Application number
IT19181/77A
Other languages
English (en)
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of IT1078004B publication Critical patent/IT1078004B/it

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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B32B1/08—Tubular products
    • 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
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4026—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • 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
    • B32B2307/748—Releasability
    • 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
    • B32B2439/00—Containers; Receptacles
    • 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
    • B32B2439/00—Containers; Receptacles
    • B32B2439/02—Open containers
    • B32B2439/06—Bags, sacks, sachets
    • 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.]
    • Y10T428/1334—Nonself-supporting tubular film or bag [e.g., pouch, envelope, packet, etc.]
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/31—Surface property or characteristic of web, sheet or block
    • 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
    • Y10T428/31917—Next to polyene polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT19181/77A 1976-01-23 1977-01-11 Laminati di pellicole di polietilene bassa densita'bloccate insieme,procedimento per la loro fabbricazione e borse e sacchi fatti da essi IT1078004B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65167576A 1976-01-23 1976-01-23

Publications (1)

Publication Number Publication Date
IT1078004B true IT1078004B (it) 1985-05-08

Family

ID=24613763

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19181/77A IT1078004B (it) 1976-01-23 1977-01-11 Laminati di pellicole di polietilene bassa densita'bloccate insieme,procedimento per la loro fabbricazione e borse e sacchi fatti da essi

Country Status (10)

Country Link
US (1) US4160053A (it)
JP (1) JPS5291083A (it)
BE (1) BE849249A (it)
CA (1) CA1080597A (it)
DE (1) DE2659191A1 (it)
ES (1) ES453595A1 (it)
FR (1) FR2338795A1 (it)
GB (1) GB1495380A (it)
IT (1) IT1078004B (it)
NL (1) NL7612675A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1157216A (en) * 1978-09-15 1983-11-22 William F. Briggs Coextruded thermoplastic stretch-wrap
US4399180A (en) * 1978-09-15 1983-08-16 Mobil Oil Corporation Coextruded thermoplastic stretch-wrap
US4364981A (en) * 1979-12-28 1982-12-21 Union Carbide Corporation Three layer film having a core layer of low pressure, low density polyethylene
US4356221A (en) * 1981-05-15 1982-10-26 Union Carbide Corporation Melt-extruded multilayer polyethylene bag film
US4513038A (en) * 1981-11-03 1985-04-23 Union Carbide Corporation Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4464426A (en) * 1981-11-03 1984-08-07 Union Carbide Corporation Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4399173A (en) * 1982-01-04 1983-08-16 Union Carbide Corporation Multilayer films comprising low pressure, low density polyethylene
US4418114A (en) * 1982-04-29 1983-11-29 Mobil Oil Corporation Coextruded thermoplastic stretch-wrap
DE3216097C2 (de) * 1982-04-30 1990-05-10 Feldmühle AG, 4000 Düsseldorf Mehrlagige Folie aus einer Trägerfolie und einer durch Kaschieren damit verbundenen Verbundfolie und deren Verwendung
JPS5921937U (ja) * 1982-07-31 1984-02-10 大日本印刷株式会社 口付密封袋
IE55863B1 (en) * 1984-12-17 1991-01-30 Paul Burke A process and apparatus for producing a plastics laminate material
DE3681536D1 (de) * 1985-08-23 1991-10-24 Showa Denko Kk Beutel fuer medizinische zwecke.
JPH0532590Y2 (it) * 1987-03-02 1993-08-20
US4929479A (en) * 1987-08-10 1990-05-29 Showa Denko Kabushiki Kaisha Medical bag
US5116677A (en) * 1987-12-30 1992-05-26 Co-Ex Plastics, Inc. Thermoplastic stretch-wrap material
US4923750A (en) * 1987-12-30 1990-05-08 Co-Ex Plastics, Inc. Thermoplastic stretch-wrap material
US5169696A (en) * 1988-12-05 1992-12-08 Du Pont Canada Inc. Film laminate with easy TD tear
GB8828349D0 (en) * 1988-12-05 1989-01-05 Du Pont Canada Film laminate with easy to td tear
US4968624A (en) * 1989-04-25 1990-11-06 Baxter International Inc. Large volume flexible containers
US5288531A (en) * 1991-08-09 1994-02-22 The Dow Chemical Company Pouch for packaging flowable materials
GB2375732B (en) * 2001-03-28 2004-09-08 John Madeley Machinery Ltd Method and apparatus for manufacturing sheet-form plastics material
US20020187694A1 (en) * 2001-06-11 2002-12-12 Brighton Thomas B. Mesh reinforced breathable plastic film

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE556321A (it) * 1956-04-04 1900-01-01
GB954347A (en) * 1962-12-17 1964-04-02 Monsanto Chemicals Method and apparatus for forming a multiply molded article
GB1084721A (en) * 1964-01-28 1967-09-27 Rasmussen O B Uniting polymer films
US3361607A (en) * 1964-04-15 1968-01-02 Du Pont Method of flame treating and heat sealing a biaxially oriented heat shrinkable plastic film
FR1478823A (fr) * 1965-05-04 1967-04-28 Ici Ltd Pellicules en matières plastiques orientées, notamment en téréphtalate de polyéthylène
GB1150909A (en) * 1965-10-26 1969-05-07 Du Pont Canada Laminated Thermoplastic Film Having Improved Resistance To Tear Propagation
CA937720A (en) * 1966-08-31 1973-12-04 Shell Internationale Research Maatschappij, N.V. Method for the production of crimped fibres from thermoplastic macromolecular materials
US3509005A (en) * 1967-03-02 1970-04-28 Du Pont Ribbed structures of thermoplastic resin
US3554833A (en) * 1968-01-12 1971-01-12 Mobil Oil Corp Method for the production of laminar thermoplastic films
BE789332A (fr) * 1971-09-28 1973-03-27 Du Pont Canada Pellicules de polymeres d'ethylene a stratification et orientation simultanees
GB1414785A (en) * 1972-05-31 1975-11-19 Leer Koninklijke Emballage Predominantly monaxially oriented film of a thermoplastic material and a process of preparing same
JPS4983767A (it) * 1972-12-15 1974-08-12

Also Published As

Publication number Publication date
CA1080597A (en) 1980-07-01
JPS5291083A (en) 1977-08-01
DE2659191A1 (de) 1977-07-28
BE849249A (fr) 1977-06-09
US4160053A (en) 1979-07-03
FR2338795B1 (it) 1982-06-04
JPS6141733B2 (it) 1986-09-17
GB1495380A (en) 1977-12-14
FR2338795A1 (fr) 1977-08-19
ES453595A1 (es) 1977-12-01
NL7612675A (nl) 1977-07-26

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