ES483838A1 - Un procedimiento para producir un estratificado de pelicula-termoplastica. - Google Patents

Un procedimiento para producir un estratificado de pelicula-termoplastica.

Info

Publication number
ES483838A1
ES483838A1 ES483838A ES483838A ES483838A1 ES 483838 A1 ES483838 A1 ES 483838A1 ES 483838 A ES483838 A ES 483838A ES 483838 A ES483838 A ES 483838A ES 483838 A1 ES483838 A1 ES 483838A1
Authority
ES
Spain
Prior art keywords
wrap
stretch
coextruded
layer
density polyethylene
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
ES483838A
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.)
ExxonMobil Oil Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25478489&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES483838(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of ES483838A1 publication Critical patent/ES483838A1/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
    • 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
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

Landscapes

  • Laminated Bodies (AREA)

Abstract

Un procedimiento para producir un estratificado de película termoplástica que tiene resistencia mejorada al desgarramiento y a la perforación por punción, cuyo procedimiento comprende la operación de coextruir una capa de núcleo de un polietileno lineal de baja densidad y al menos una capa de piel de polietileno de baja densidad a través de un adaptador en el que la capa de piel fundida se une a la superficie fundida de la capa de núcleo.
ES483838A 1978-09-15 1979-09-03 Un procedimiento para producir un estratificado de pelicula-termoplastica. Expired ES483838A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94271578A 1978-09-15 1978-09-15

Publications (1)

Publication Number Publication Date
ES483838A1 true ES483838A1 (es) 1980-09-01

Family

ID=25478489

Family Applications (1)

Application Number Title Priority Date Filing Date
ES483838A Expired ES483838A1 (es) 1978-09-15 1979-09-03 Un procedimiento para producir un estratificado de pelicula-termoplastica.

Country Status (5)

Country Link
EP (1) EP0009376B2 (es)
JP (1) JPS5541298A (es)
CA (1) CA1157216A (es)
DE (1) DE2966027D1 (es)
ES (1) ES483838A1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364981A (en) * 1979-12-28 1982-12-21 Union Carbide Corporation Three layer film having a core layer of low pressure, low density polyethylene
CA1156415A (en) * 1979-12-28 1983-11-08 Jerome T. Horner Three layer film having a core layer of low pressure, low density polyethylene
JPS5764551A (en) * 1980-10-09 1982-04-19 Mitsui Petrochemical Ind Composite film
US4356221A (en) * 1981-05-15 1982-10-26 Union Carbide Corporation Melt-extruded multilayer polyethylene bag film
US4464426A (en) * 1981-11-03 1984-08-07 Union Carbide Corporation Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4444828A (en) * 1982-01-28 1984-04-24 Union Carbide Corporation Multilayer trash bag film
JPS58136444A (ja) * 1982-02-09 1983-08-13 三菱油化株式会社 ストレツチ包装用フイルム
CA1199567A (en) * 1982-02-18 1986-01-21 Walter B. Mueller Linear polyethylene shrink films
JPS58153608A (ja) * 1982-03-09 1983-09-12 Sumitomo Bakelite Co Ltd 合成樹脂成形用型及び合成樹脂成形方法
JPH0641290B2 (ja) * 1982-03-18 1994-06-01 株式会社吉野工業所 合成樹脂製チユ−ブ容器
JPS58173653A (ja) * 1982-04-07 1983-10-12 富士写真フイルム株式会社 感光物質用包装材料
EP0095849B1 (en) * 1982-05-20 1987-09-09 Stiksack STS S.A. Plastics film and bags and sacks therefrom
AU560972B2 (en) * 1982-09-29 1987-04-30 Dow Chemical Company, The Ethylene copolymer films
JPS5968351A (ja) * 1982-10-12 1984-04-18 Idemitsu Kosan Co Ltd ポリエチレン樹脂組成物積層物
JPS59101320A (ja) * 1982-11-30 1984-06-11 Nok Corp 成形用金型
FR2552330B1 (fr) * 1983-09-23 1986-07-11 Showa Denko Kk Sac medical
US4518654A (en) * 1983-12-23 1985-05-21 Mobil Oil Corporation One-sided cling stretch wrap
JPS61197239A (ja) * 1985-02-28 1986-09-01 五洋紙工株式会社 紙容器等用複合材料及びその製造方法
DE3519053A1 (de) * 1985-05-28 1986-12-18 W.R. Grace & Co., Cambridge, Mass. Dichtungsmasse
JPS61296946A (ja) * 1985-06-25 1986-12-27 Akebono Brake Res & Dev Center Ltd 高圧鋳造用金型
EP0216509B1 (en) * 1985-08-23 1991-09-18 Showa Denko Kabushiki Kaisha Medical bag
JPH0777754B2 (ja) * 1987-07-07 1995-08-23 三井石油化学工業株式会社 ストレッチ包装用フィルム
US4929479A (en) * 1987-08-10 1990-05-29 Showa Denko Kabushiki Kaisha Medical bag
FI79975C (fi) * 1988-01-27 1990-04-10 Rosenlew Pakkaus Oy Skyddshuva eller -film med krympfoermaoga.
JPH0724928B2 (ja) * 1988-07-29 1995-03-22 本田技研工業株式会社 鋳抜きピンを用いた鋳造装置
US5019315A (en) * 1988-10-25 1991-05-28 Mobil Oil Corporation Preparing multi-layer coextruded polyolefin stretch wrap films
US5399426A (en) * 1992-10-19 1995-03-21 The Dow Chemical Company Polyethylene stretch films
US5443866A (en) * 1993-02-19 1995-08-22 At Plastics Inc. Uni-axially co-oriented thermoplastic film and bags made therefrom
US5476134A (en) * 1993-12-21 1995-12-19 Aluminum Company Of America CRN coated die-casting tools for casting low aluminum iron alloys and method of making same
IT1304704B1 (it) * 1995-09-01 2001-03-28 Manuli Stretch Spa Film multistrato polietilenico
IT1277038B1 (it) 1995-12-06 1997-11-04 Pentacast Srl Film multistrato polietilenico
AT517857B1 (de) 2015-10-19 2018-12-15 Coveris Flexibles Austria Gmbh Mehrschichtige elastische Folie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA632346A (en) * 1958-11-05 1961-12-05 Kalle Aktiengesellschaft Process for the production of shrinkable films of polyolefines or copolymers thereof
US3783089A (en) * 1971-07-28 1974-01-01 Phillips Petroleum Co Heat sealed,readily peelable or tearable structure suitable for closures,labels,packaging,etc.
BE789332A (fr) * 1971-09-28 1973-03-27 Du Pont Canada Pellicules de polymeres d'ethylene a stratification et orientation simultanees
US4050221A (en) * 1973-04-04 1977-09-27 Lantech, Inc. Stretch-wrapped package, process and apparatus
CA1041892A (en) * 1974-04-30 1978-11-07 David H. Dawes Heat lamination of thermoplastic films
GB1495380A (en) * 1976-01-23 1977-12-14 Mobil Oil Corp Low density polyethylene film laminates

Also Published As

Publication number Publication date
DE2966027D1 (en) 1983-09-08
JPS6245822B2 (es) 1987-09-29
EP0009376A3 (en) 1980-04-16
EP0009376A2 (en) 1980-04-02
CA1157216A (en) 1983-11-22
EP0009376B1 (en) 1983-08-03
JPS5541298A (en) 1980-03-24
EP0009376B2 (en) 1990-10-17

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