AU6581380A – Three layer film having a core layer of low pressure, low density polyethylene
– Google Patents
AU6581380A – Three layer film having a core layer of low pressure, low density polyethylene
– Google Patents
Three layer film having a core layer of low pressure, low density polyethylene
Info
Publication number
AU6581380A
AU6581380A
AU65813/80A
AU6581380A
AU6581380A
AU 6581380 A
AU6581380 A
AU 6581380A
AU 65813/80 A
AU65813/80 A
AU 65813/80A
AU 6581380 A
AU6581380 A
AU 6581380A
AU 6581380 A
AU6581380 A
AU 6581380A
Authority
AU
Australia
Prior art keywords
density polyethylene
layer
low pressure
low density
core layer
Prior art date
1979-12-28
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.)
Granted
Application number
AU65813/80A
Other versions
AU539616B2
(en
Inventor
John Anthony
William Allen Fraser
Jerome Thomas Horner
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.)
Union Carbide Corp
Original Assignee
Union Carbide 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.)
1979-12-28
Filing date
1980-12-23
Publication date
1981-07-02
Family has litigation
First worldwide family litigation filed
litigation
Critical
https://patents.darts-ip.com/?family=22321286&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU6581380(A)
«Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
1980-12-23
Application filed by Union Carbide Corp
filed
Critical
Union Carbide Corp
1981-07-02
Publication of AU6581380A
publication
Critical
patent/AU6581380A/en
1984-10-11
Application granted
granted
Critical
1984-10-11
Publication of AU539616B2
publication
Critical
patent/AU539616B2/en
2000-12-23
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
B29C48/03—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
B29C48/03—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
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
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
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
B32B2439/00—Containers; Receptacles
AU65813/80A
1979-12-28
1980-12-23
Three layer film having a core layer of low pressure, low density polyethylene
Ceased
AU539616B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US10828179A
1979-12-28
1979-12-28
US108281
1979-12-28
Publications (2)
Publication Number
Publication Date
AU6581380A
true
AU6581380A
(en)
1981-07-02
AU539616B2
AU539616B2
(en)
1984-10-11
Family
ID=22321286
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU65813/80A
Ceased
AU539616B2
(en)
1979-12-28
1980-12-23
Three layer film having a core layer of low pressure, low density polyethylene
Country Status (9)
Country
Link
EP
(1)
EP0032629B1
(en)
JP
(1)
JPS56101850A
(en)
AR
(1)
AR221670A1
(en)
AU
(1)
AU539616B2
(en)
BR
(1)
BR8008423A
(en)
CA
(1)
CA1156415A
(en)
DE
(1)
DE3066117D1
(en)
NZ
(1)
NZ195968A
(en)
ZA
(1)
ZA807998B
(en)
Families Citing this family (9)
* 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
JPS57126332U
(en)
*
1981-01-30
1982-08-06
US4444828A
(en)
*
1982-01-28
1984-04-24
Union Carbide Corporation
Multilayer trash bag film
NL8502190A
(en)
*
1985-08-06
1987-03-02
Stamicarbon
METHOD FOR MANUFACTURING BLADDER FOIL AND ORIENTED FOIL
NL8502191A
(en)
*
1985-08-06
1987-03-02
Stamicarbon
METHOD FOR PRODUCING FLAT FILM.
US5019315A
(en)
*
1988-10-25
1991-05-28
Mobil Oil Corporation
Preparing multi-layer coextruded polyolefin stretch wrap films
GB2283699B
(en)
*
1993-11-15
1998-01-14
United Biscuits Ltd
Improvements in and relating to the production of food products
WO2000056635A1
(en)
*
1999-03-23
2000-09-28
Reynolds Consumer Products, Inc.
An elastic disposable bag
NL1025903C2
(en)
*
2004-04-08
2005-10-11
Wavin Bv
Multilayer tube from thermoplastic plastic and method for obtaining it.
Family Cites Families (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB1112093A
(en)
*
1965-06-17
1968-05-01
Eastman Kodak Co
Polyethylene blends
GB1205327A
(en)
*
1967-01-31
1970-09-16
Mitsubishi Petrochemical Co
Process for the production of laminates
US3624037A
(en)
*
1969-03-25
1971-11-30
Th Goldschmit Ag
Process of curing aminoplasts
US3673050A
(en)
*
1970-02-05
1972-06-27
Dow Chemical Co
A laminate of a barrier layer enclosed in rigid high density polyolefin layers
US4011382A
(en)
*
1975-03-10
1977-03-08
Union Carbide Corporation
Preparation of low and medium density ethylene polymer in fluid bed reactor
US4187269A
(en)
*
1975-11-17
1980-02-05
The Dow Chemical Company
Extrusion process for reducing melt fracture
US4080138A
(en)
*
1975-11-17
1978-03-21
The Dow Chemical Company
Extrusion process and apparatus
US4151318A
(en)
*
1976-06-21
1979-04-24
Mobil Oil Corporation
Laminar thermoplastic film constructions
CA1157216A
(en)
*
1978-09-15
1983-11-22
William F. Briggs
Coextruded thermoplastic stretch-wrap
1980
1980-12-19
CA
CA000367231A
patent/CA1156415A/en
not_active
Expired
1980-12-22
BR
BR8008423A
patent/BR8008423A/en
unknown
1980-12-22
ZA
ZA00807998A
patent/ZA807998B/en
unknown
1980-12-23
DE
DE8080304690T
patent/DE3066117D1/en
not_active
Expired
1980-12-23
JP
JP18271480A
patent/JPS56101850A/en
active
Pending
1980-12-23
AU
AU65813/80A
patent/AU539616B2/en
not_active
Ceased
1980-12-23
EP
EP80304690A
patent/EP0032629B1/en
not_active
Expired
1980-12-28
AR
AR283799A
patent/AR221670A1/en
active
1981
1981-01-06
NZ
NZ195968A
patent/NZ195968A/en
unknown
Also Published As
Publication number
Publication date
BR8008423A
(en)
1981-07-14
JPS56101850A
(en)
1981-08-14
NZ195968A
(en)
1983-04-12
DE3066117D1
(en)
1984-02-16
CA1156415A
(en)
1983-11-08
AU539616B2
(en)
1984-10-11
EP0032629B1
(en)
1984-01-11
EP0032629A1
(en)
1981-07-29
ZA807998B
(en)
1982-01-27
AR221670A1
(en)
1981-02-27
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None