BR8008423A - Filme de tres camadas flexivel coestrudado, e saco - Google Patents
Filme de tres camadas flexivel coestrudado, e sacoInfo
- Publication number
- BR8008423A BR8008423A BR8008423A BR8008423A BR8008423A BR 8008423 A BR8008423 A BR 8008423A BR 8008423 A BR8008423 A BR 8008423A BR 8008423 A BR8008423 A BR 8008423A BR 8008423 A BR8008423 A BR 8008423A
- Authority
- BR
- Brazil
- Prior art keywords
- coestruded
- bag
- flexible
- layer film
- film
- Prior art date
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10828179A | 1979-12-28 | 1979-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8008423A true BR8008423A (pt) | 1981-07-14 |
Family
ID=22321286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8008423A BR8008423A (pt) | 1979-12-28 | 1980-12-22 | Filme de tres camadas flexivel coestrudado, e saco |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0032629B1 (pt) |
JP (1) | JPS56101850A (pt) |
AR (1) | AR221670A1 (pt) |
AU (1) | AU539616B2 (pt) |
BR (1) | BR8008423A (pt) |
CA (1) | CA1156415A (pt) |
DE (1) | DE3066117D1 (pt) |
NZ (1) | NZ195968A (pt) |
ZA (1) | ZA807998B (pt) |
Families Citing this family (9)
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 (pt) * | 1981-01-30 | 1982-08-06 | ||
US4444828A (en) * | 1982-01-28 | 1984-04-24 | Union Carbide Corporation | Multilayer trash bag film |
NL8502190A (nl) * | 1985-08-06 | 1987-03-02 | Stamicarbon | Werkwijze voor het vervaardigen van blaasfolie en georienteerde folie. |
NL8502191A (nl) * | 1985-08-06 | 1987-03-02 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie. |
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 (nl) * | 2004-04-08 | 2005-10-11 | Wavin Bv | Meerlaags buis uit thermoplastische kunststof en werkwijze voor het verkrijgen daarvan. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1112093A (en) * | 1965-06-17 | 1968-05-01 | Eastman Kodak Co | Polyethylene blends |
US3629037A (en) * | 1967-01-31 | 1971-12-21 | Mitsubishi Petrochemical Co | Process for production of laminated film having reduced neck-in-forming property |
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 ZA ZA00807998A patent/ZA807998B/xx unknown
- 1980-12-22 BR BR8008423A patent/BR8008423A/pt unknown
- 1980-12-23 EP EP80304690A patent/EP0032629B1/en not_active Expired
- 1980-12-23 JP JP18271480A patent/JPS56101850A/ja active Pending
- 1980-12-23 AU AU65813/80A patent/AU539616B2/en not_active Ceased
- 1980-12-23 DE DE8080304690T patent/DE3066117D1/de not_active Expired
- 1980-12-28 AR AR283799A patent/AR221670A1/es active
-
1981
- 1981-01-06 NZ NZ195968A patent/NZ195968A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA1156415A (en) | 1983-11-08 |
AU6581380A (en) | 1981-07-02 |
EP0032629B1 (en) | 1984-01-11 |
AU539616B2 (en) | 1984-10-11 |
EP0032629A1 (en) | 1981-07-29 |
AR221670A1 (es) | 1981-02-27 |
DE3066117D1 (en) | 1984-02-16 |
NZ195968A (en) | 1983-04-12 |
ZA807998B (en) | 1982-01-27 |
JPS56101850A (en) | 1981-08-14 |
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