JPS4959162A - - Google Patents
Info
- Publication number
- JPS4959162A JPS4959162A JP48077997A JP7799773A JPS4959162A JP S4959162 A JPS4959162 A JP S4959162A JP 48077997 A JP48077997 A JP 48077997A JP 7799773 A JP7799773 A JP 7799773A JP S4959162 A JPS4959162 A JP S4959162A
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
-
- 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
-
- 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
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92361—Extrusion unit
- B29C2948/92409—Die; Nozzle zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0072—Roughness, e.g. anti-slip
- B29K2995/0073—Roughness, e.g. anti-slip smooth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3255972A GB1441586A (en) | 1972-07-12 | 1972-07-12 | Method for reducing sharkskin on extruded polymeric material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4959162A true JPS4959162A (US07714131-20100511-C00038.png) | 1974-06-08 |
| JPS579936B2 JPS579936B2 (US07714131-20100511-C00038.png) | 1982-02-24 |
Family
ID=10340527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7799773A Expired JPS579936B2 (US07714131-20100511-C00038.png) | 1972-07-12 | 1973-07-12 |
Country Status (14)
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282177A (en) * | 1979-01-08 | 1981-08-04 | Union Carbide Corporation | Method for reducing sharkskin melt fracture during extrusion of ethylene polymers |
| US4267146A (en) * | 1979-01-08 | 1981-05-12 | Union Carbide Corporation | Method for reducing melt fracture during extrusion of ethylene polymers |
| US4348349A (en) * | 1980-10-01 | 1982-09-07 | Union Carbide Corporation | Method for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer |
| US4360494A (en) * | 1981-04-01 | 1982-11-23 | Union Carbide Corporation | Process for reducing melt fracture during extrusion of a molten narrow molecular weight distribution, linear, ethylene copolymer |
| CA1210917A (en) * | 1983-06-28 | 1986-09-09 | Arakalgud V. Ramamurthy | Process for reducing surface melt fracture during extrusion of ethylene polymers |
| AU2994284A (en) * | 1983-06-28 | 1985-01-03 | Union Carbide Corporation | Reducing melt fracture |
| US4522776A (en) * | 1983-06-28 | 1985-06-11 | Union Carbide Corporation | Process for substantially eliminating surface melt fracture when extruding ethylene polymers |
| US4554120A (en) * | 1983-06-28 | 1985-11-19 | Union Carbide Corporation | Process for eliminating surface melt fracture during extrusion of thermoplastic polymers |
| US4552712A (en) * | 1983-06-28 | 1985-11-12 | Union Carbide Corporation | Process for reducing surface melt fracture during extrusion of ethylene polymers |
| US4485062A (en) * | 1983-07-05 | 1984-11-27 | E. I. Du Pont De Nemours And Company | Process for extruding polymers |
| NL8400375A (nl) * | 1984-02-07 | 1985-09-02 | Stamicarbon | Werkwijze voor het vervaardigen van blaasfolie. |
| US4832897A (en) * | 1984-02-07 | 1989-05-23 | Stamicarbon B.V. | Process for the preparation of blown film |
| NL8400374A (nl) * | 1984-02-07 | 1985-09-02 | Stamicarbon | Werkwijze voor het vervaardigen van blaasfolie. |
| DE8430508U1 (de) * | 1984-10-17 | 1985-02-28 | Windmöller & Hölscher, 4540 Lengerich | Extrusionsduese fuer einen blaskopf zur herstellung von kunststoffblasfolien |
| US4717523A (en) * | 1985-03-22 | 1988-01-05 | Ball Corporation | Thermoplastic container forming method |
| US4717522A (en) * | 1985-03-22 | 1988-01-05 | Ball Corporation | Thermoplastic container forming method |
| US4696636A (en) * | 1985-03-22 | 1987-09-29 | Ball Corporation | Thermoplastic container forming apparatus |
| US4650628A (en) * | 1985-03-22 | 1987-03-17 | Ball Corporation | Thermoplastic container forming method |
| US4615858A (en) * | 1985-05-16 | 1986-10-07 | Mobil Oil Corporation | Method and apparatus producing decorative melt fracture patterns on polymeric products |
| 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. |
| US4713205A (en) * | 1985-09-25 | 1987-12-15 | Mobil Oil Corporation | Method for reducing melt fracture during extrusion of linear polyethylene homopolymers and copolymers by varying the geometry of the die exit face |
| US4734240A (en) * | 1986-01-24 | 1988-03-29 | Hoechst Celanese Corporation | Melt-extrusion of polymer which is capable of forming an anisotropic melt phase to form large shaped articles exhibiting improved polymeric orientation |
| NL8700305A (nl) * | 1987-02-10 | 1988-09-01 | Stamicarbon | Werkwijze voor het vervaardigen van vlakfolie uit hogedichtheid polyetheen. |
| JPH0822564B2 (ja) * | 1987-04-01 | 1996-03-06 | ポリプラスチックス株式会社 | ポリアセタ−ル樹脂フィルムの製造法 |
| US4859398A (en) * | 1987-07-02 | 1989-08-22 | Mobil Oil Corporation | High shear extrusion of linear low density polyethylene |
| FR2637533B1 (fr) * | 1988-10-10 | 1990-12-07 | Solvay | Procede pour realiser, par extrusion soufflee, une gaine en resine a base de chlorure de vinyle dont au moins une face presente un aspect mat |
| AU621471B2 (en) * | 1989-03-31 | 1992-03-12 | Sekisui Kagaku Kogyo Kabushiki Kaisha | A method for the manufacture of thermoplastic resin sheets |
| DE4016626A1 (de) * | 1989-04-29 | 1990-10-31 | Rehau Ag & Co | Verfahren zur herstellung von profilen |
| US4948543A (en) * | 1989-06-15 | 1990-08-14 | Union Carbide Chemicals And Plastics Company, Inc. | Process for eliminating surface melt fracture during extrusion of thermoplastic polymers |
| US5210142A (en) * | 1992-02-13 | 1993-05-11 | The Dow Chemical Company | Reduction of melt fracture in linear polyethylene |
| US5270107A (en) * | 1992-04-16 | 1993-12-14 | Fiberweb North America | High loft nonwoven fabrics and method for producing same |
| US5320798A (en) * | 1993-02-17 | 1994-06-14 | Exxon Chemical Patents, Inc. | Method for processing polyolefins at high shear rates |
| KR100924540B1 (ko) * | 2006-12-11 | 2009-11-02 | (주)엘지하우시스 | 고광택 압출 성형물의 제조방법 |
| US20130319131A1 (en) | 2012-05-31 | 2013-12-05 | Chevron Phillips Chemical Company Lp | Controlling Melt Fracture in Bimodal Resin Pipe |
| WO2020242789A1 (en) | 2019-05-30 | 2020-12-03 | Dow Global Technologies Llc | Method of extruding linear low-density polyethylene (lldpe) without surface fractures in the melt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3125619A (en) * | 1964-03-17 | Forming plastic containers | ||
| US2541201A (en) * | 1948-08-28 | 1951-02-13 | Nat Rubber Machinery Co | Method of extrusion |
| US2795821A (en) * | 1954-03-16 | 1957-06-18 | Okonite Co | Production of extruded shapes having textured surfaces without recourse to external mechanical devices, such as embossing rolls and the like |
| US3057013A (en) * | 1960-02-15 | 1962-10-09 | Du Pont | Method for producing pipe |
| DE1209282B (de) * | 1961-02-25 | 1966-01-20 | Anger Kunststoff | Verfahren und Vorrichtung zur Herstellung von Rohren mit Aufweitungen und/oder Verdickungen |
| US3168207A (en) * | 1963-04-22 | 1965-02-02 | Haveg Industries Inc | Blow molding |
| BE722009A (US07714131-20100511-C00038.png) * | 1967-10-13 | 1969-03-14 |
-
1972
- 1972-07-12 GB GB3255972A patent/GB1441586A/en not_active Expired
-
1973
- 1973-01-01 AR AR249046A patent/AR206500A1/es active
- 1973-07-03 US US376205A patent/US3920782A/en not_active Expired - Lifetime
- 1973-07-06 AU AU57836/73A patent/AU465204B2/en not_active Expired
- 1973-07-10 DE DE2335065A patent/DE2335065C2/de not_active Expired
- 1973-07-11 CA CA176,193A patent/CA1028114A/en not_active Expired
- 1973-07-11 IT IT7326486A patent/IT998228B/it active
- 1973-07-11 NL NLAANVRAGE7309655,A patent/NL177808C/xx not_active IP Right Cessation
- 1973-07-11 SE SE7309744A patent/SE399386B/xx unknown
- 1973-07-12 ES ES416843A patent/ES416843A1/es not_active Expired
- 1973-07-12 JP JP7799773A patent/JPS579936B2/ja not_active Expired
- 1973-07-12 FR FR7325515A patent/FR2191990B1/fr not_active Expired
- 1973-07-12 BE BE133419A patent/BE802274A/xx not_active IP Right Cessation
- 1973-07-12 AT AT616673A patent/AT344979B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1028114A (en) | 1978-03-21 |
| AU5783673A (en) | 1975-01-09 |
| AU465204B2 (en) | 1975-09-18 |
| US3920782A (en) | 1975-11-18 |
| FR2191990B1 (US07714131-20100511-C00038.png) | 1977-02-18 |
| BE802274A (fr) | 1974-01-14 |
| NL177808B (nl) | 1985-07-01 |
| AR206500A1 (es) | 1976-07-30 |
| JPS579936B2 (US07714131-20100511-C00038.png) | 1982-02-24 |
| NL7309655A (US07714131-20100511-C00038.png) | 1974-01-15 |
| NL177808C (nl) | 1985-12-02 |
| FR2191990A1 (US07714131-20100511-C00038.png) | 1974-02-08 |
| DE2335065C2 (de) | 1984-10-04 |
| AT344979B (de) | 1978-08-25 |
| SE399386B (sv) | 1978-02-13 |
| GB1441586A (en) | 1976-07-07 |
| ES416843A1 (es) | 1976-02-16 |
| DE2335065A1 (de) | 1974-01-31 |
| IT998228B (it) | 1976-01-20 |
| ATA616673A (de) | 1977-12-15 |
