ES8405687A1 - Multilayer flexible sheet used for mfg. dispensing tubes - Google Patents

Multilayer flexible sheet used for mfg. dispensing tubes

Info

Publication number
ES8405687A1
ES8405687A1 ES519245A ES519245A ES8405687A1 ES 8405687 A1 ES8405687 A1 ES 8405687A1 ES 519245 A ES519245 A ES 519245A ES 519245 A ES519245 A ES 519245A ES 8405687 A1 ES8405687 A1 ES 8405687A1
Authority
ES
Spain
Prior art keywords
layer
layers
adhesive
polyethylene
opp
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
ES519245A
Other languages
Spanish (es)
Other versions
ES519245A0 (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.)
Primerica Inc
Original Assignee
American Can 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 American Can Co filed Critical American Can Co
Priority to ES519245A priority Critical patent/ES519245A0/en
Publication of ES8405687A1 publication Critical patent/ES8405687A1/en
Publication of ES519245A0 publication Critical patent/ES519245A0/en
Granted legal-status Critical Current

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  • Laminated Bodies (AREA)

Abstract

Multilayered sheet (I) comprises (a) an exterior heat sealable layer; (b) a first adhesive layer; (c) a barrier layer; (d) a second adhesive layer; (e) an oriented polypropylene (OPP) layer; and (f) a polyethylene layer. - Layer (e) is 0.65-2.0 (0.75-2.0) mils thick and layer (f) is 0.7-3.0 mils thick. Layer (a) is mainly LLDPE (linear low density polyethylene) of 0.7-3.0 mils thick. This sheet (I) pref. also has layers (g) paper; (h) a second polyethylene; and (j) a second exterior layer, layers (h) and (j) being 2.0-5.0 mils thick with good adhesion. - (I) has improved stress crack resistance with improved resistance to shock abuse. It is for use in forming tubes esp. for paste materials e.g. toothpaste. (Provisional Basic previously advised in Week 83/44) (0/5) EPAB- EP-109465 B A sheet structure includinq a multiplicity of layers firmly adhered to each other, these layers in order comprising an exterior heat-sealable layer, a first adhesive layer, a barrier layer, a second adhesive layer and a polyethylene layer, characterised in that, in order to provide the structure with enhanced shock resistance, a layer of oriented polypropylene (OPP) is interposed between the second adhesive and polyethylene layers, the latter two layers serving in an effective adhesive capacity to join the OPP layer into the structure with good adhesion. (13pp) - EP-109465 B A sheet structure including a multiplicity of layers firmly adhered to each other, these layers in order comprising an exterior heat-sealable layer, a first adhesive layer, a barrier layer, a second adhesive layer and a polyethylene layer, characterised in that, in order to provide the structure with enhanced shock resistance, a layer of oriented polypropylene (OPP) is interposed between the second adhesive and polyethylene layers, the latter two layers serving in an effective adhesive capacity to join the OPP layer into the structure with good adhesion. - EP-203265 B A multiple layer sheet structure having the layers firmly adhered to each other into a unitary structure, wherein the layers, taken in order include: (a) a layer of linear low density polyethylene (LLDPE) which confers enhanced stress crack resistance on the structure; (b) a first adhesive layer; (c) a metal foil barrier layer; (d) a second adhesive layer; and (e) a polyethylene layer. - (7pp)
ES519245A 1983-01-25 1983-01-25 IMPROVEMENTS IN A LAMINAR STRUCTURE OF MULTIPLE LAYERS. Granted ES519245A0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES519245A ES519245A0 (en) 1983-01-25 1983-01-25 IMPROVEMENTS IN A LAMINAR STRUCTURE OF MULTIPLE LAYERS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES519245A ES519245A0 (en) 1983-01-25 1983-01-25 IMPROVEMENTS IN A LAMINAR STRUCTURE OF MULTIPLE LAYERS.

Publications (2)

Publication Number Publication Date
ES8405687A1 true ES8405687A1 (en) 1984-07-01
ES519245A0 ES519245A0 (en) 1984-07-01

Family

ID=8485247

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519245A Granted ES519245A0 (en) 1983-01-25 1983-01-25 IMPROVEMENTS IN A LAMINAR STRUCTURE OF MULTIPLE LAYERS.

Country Status (1)

Country Link
ES (1) ES519245A0 (en)

Also Published As

Publication number Publication date
ES519245A0 (en) 1984-07-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203