GB1393694A - Extruders - Google Patents
ExtrudersInfo
- Publication number
- GB1393694A GB1393694A GB4820974A GB4820974A GB1393694A GB 1393694 A GB1393694 A GB 1393694A GB 4820974 A GB4820974 A GB 4820974A GB 4820974 A GB4820974 A GB 4820974A GB 1393694 A GB1393694 A GB 1393694A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- barrel
- extruder
- screw
- root
- 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
Links
- 239000000463 material Substances 0.000 abstract 3
- 239000000155 melt Substances 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
- B29B7/429—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/295—Feeding the extrusion material to the extruder in gaseous form
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/50—Partial depolymerisation
-
- 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
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Polymerisation Methods In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13283871A | 1971-04-09 | 1971-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1393694A true GB1393694A (en) | 1975-05-14 |
Family
ID=22455832
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4820974A Expired GB1393694A (en) | 1971-04-09 | 1972-04-07 | Extruders |
GB1458773A Expired GB1393693A (en) | 1971-04-09 | 1972-04-07 | Grafted polymers |
GB1458673A Expired GB1393692A (en) | 1971-04-09 | 1972-04-07 | Extr-ders |
GB1607472A Expired GB1393691A (en) | 1971-04-09 | 1972-04-07 | Polymers with improved properties and process therefor |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1458773A Expired GB1393693A (en) | 1971-04-09 | 1972-04-07 | Grafted polymers |
GB1458673A Expired GB1393692A (en) | 1971-04-09 | 1972-04-07 | Extr-ders |
GB1607472A Expired GB1393691A (en) | 1971-04-09 | 1972-04-07 | Polymers with improved properties and process therefor |
Country Status (7)
Country | Link |
---|---|
JP (4) | JPS5522488B1 (enrdf_load_stackoverflow) |
CA (1) | CA993592A (enrdf_load_stackoverflow) |
DE (1) | DE2216718C2 (enrdf_load_stackoverflow) |
FR (1) | FR2132780B1 (enrdf_load_stackoverflow) |
GB (4) | GB1393694A (enrdf_load_stackoverflow) |
IT (1) | IT953632B (enrdf_load_stackoverflow) |
NL (1) | NL7204685A (enrdf_load_stackoverflow) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1010208A (en) * | 1973-01-11 | 1977-05-17 | Phillips Cables Limited | Process for the modification of thermoplastic material and apparatus therefor |
GB2039454B (en) * | 1979-01-12 | 1983-11-09 | Chisso Corp | Powder for fire extinguishers |
JPS5831401U (ja) * | 1981-08-26 | 1983-03-01 | 豊興工業株式会社 | シャットオフ弁付流量調整弁 |
FR2519007B1 (fr) * | 1981-12-24 | 1985-12-27 | Charbonnages Ste Chimique | Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation |
JPS594640A (ja) * | 1982-06-29 | 1984-01-11 | Mitsubishi Rayon Co Ltd | 炭素繊維強化ポリオレフイン系樹脂組成物 |
JPH0659410B2 (ja) * | 1986-05-20 | 1994-08-10 | 佐竹技研株式会社 | イオン交換能を有する粘弾性体を用いる反応方法 |
US4857254A (en) * | 1988-02-22 | 1989-08-15 | Du Pont Canada Inc. | Method for grafting monomers onto molten hydrocarbon polymer |
DE3838491A1 (de) * | 1988-11-12 | 1990-05-17 | Basf Ag | Verfahren zur herstellung von ethylenpolymerisaten mittels eines ziegler-katalysatorsystems und so hergestellte ethylenpolymerisate mit vermindertem geruch |
US5262484A (en) * | 1989-04-10 | 1993-11-16 | Minnesota Mining And Manufacturing Company | Azlactone graft copolymers |
US5013795A (en) * | 1989-04-10 | 1991-05-07 | Minnesota Mining And Manufacturing Company | Azlactone graft copolymers |
EP0480643B1 (en) * | 1990-10-10 | 1996-05-22 | Minnesota Mining And Manufacturing Company | Graft copolymers and graft copolymer/protein compositions |
US5314959A (en) * | 1991-03-06 | 1994-05-24 | Minnesota Mining And Manufacturing Company | Graft copolymers containing fluoroaliphatic groups |
CA2101432A1 (en) * | 1991-03-06 | 1992-09-07 | Richard J. Rolando | Perfluoroether graft copolymers |
EP0617665B1 (en) * | 1991-12-18 | 1999-03-31 | Minnesota Mining And Manufacturing Company | Multilayered barrier structures |
DE4333233C2 (de) * | 1993-09-30 | 1995-10-12 | Berstorff Gmbh Masch Hermann | Schmelzeabdichteinrichtung an Extrudern für thermoplastische Kunststoffe oder Kautschuk |
BE1008959A4 (fr) * | 1994-12-19 | 1996-10-01 | Solvay | Polymere du propylene, procede pour son obtention et utilisation. |
EP0771827B1 (en) | 1995-10-30 | 2001-05-23 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Process for producing silane-modified polyolefins and extruder apparatus therefor |
FR2743746B1 (fr) | 1996-01-23 | 1998-04-03 | Atochem Elf Sa | Nouveau film de relachement pour produit de compoundage de moulage de feuilles |
US6297326B1 (en) * | 1996-10-18 | 2001-10-02 | Kimberly-Clark Corporation | Grafted polyolefin compositions |
DE19746635B4 (de) * | 1997-10-22 | 2004-09-02 | Deutsche Institute für Textil- und Faserforschung Stuttgart - Stiftung des öffentlichen Rechts | Verfahren zur Herstellung von aus wäßriger Färbeflotte färbbaren modifizierten Polypropylengarnen sowie deren Verwendung |
FR2792321B1 (fr) * | 1999-04-19 | 2003-12-12 | Atochem Elf Sa | Procede de fabrication d'une resine de polypropylene a rheologie controlee |
US20070276096A1 (en) * | 2006-05-25 | 2007-11-29 | Wefer John M | Functional polyolefins useful as metal adhesion promoters |
RU2441030C2 (ru) * | 2006-05-25 | 2012-01-27 | Кемтура Корпорейшн | Функциональные полиолефины, применимые в качестве усилителей адгезии металлов |
DE102015200372A1 (de) * | 2015-01-13 | 2016-07-14 | Helix GmbH | Einschneckenextruder zum kontinuierlichen Herstellen von Pasta-Filata-Käse sowie Extruderschnecke hierfür |
US10875938B2 (en) * | 2015-07-01 | 2020-12-29 | The Japan Steel Works, Ltd. | Peroxide reaction method and peroxide reaction device using extruder |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3160688A (en) * | 1961-06-02 | 1964-12-08 | Monsanto Co | Extrusion process |
US3230288A (en) * | 1961-09-01 | 1966-01-18 | Phillips Petroleum Co | Method of pyrolyzing, blending and extruding a 1-olefin polymer |
US3251911A (en) | 1963-04-16 | 1966-05-17 | Bell Telephone Labor Inc | Preparation of expanded polymers |
NL142442B (nl) * | 1964-03-31 | 1974-06-17 | Shell Int Research | Werkwijze voor de vervaardiging van voorwerpen van polymeerschuim. |
US3287477A (en) * | 1964-11-12 | 1966-11-22 | Koppers Co Inc | Process and apparatus for extruding a foamed plastic |
-
1972
- 1972-03-27 CA CA138,230A patent/CA993592A/en not_active Expired
- 1972-04-07 GB GB4820974A patent/GB1393694A/en not_active Expired
- 1972-04-07 GB GB1458773A patent/GB1393693A/en not_active Expired
- 1972-04-07 NL NL7204685A patent/NL7204685A/xx not_active Application Discontinuation
- 1972-04-07 GB GB1458673A patent/GB1393692A/en not_active Expired
- 1972-04-07 DE DE2216718A patent/DE2216718C2/de not_active Expired
- 1972-04-07 GB GB1607472A patent/GB1393691A/en not_active Expired
- 1972-04-07 FR FR7212332A patent/FR2132780B1/fr not_active Expired
- 1972-04-08 IT IT22960/72A patent/IT953632B/it active
- 1972-04-10 JP JP3597072A patent/JPS5522488B1/ja active Pending
-
1976
- 1976-04-08 JP JP51038831A patent/JPS5224290A/ja active Granted
- 1976-04-08 JP JP51038832A patent/JPS592298B2/ja not_active Expired
-
1978
- 1978-09-01 JP JP10739878A patent/JPS54148095A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA993592A (en) | 1976-07-20 |
GB1393693A (en) | 1975-05-14 |
JPS5522488B1 (enrdf_load_stackoverflow) | 1980-06-17 |
JPS5541605B2 (enrdf_load_stackoverflow) | 1980-10-25 |
JPS558525B2 (enrdf_load_stackoverflow) | 1980-03-04 |
GB1393691A (en) | 1975-05-14 |
NL7204685A (enrdf_load_stackoverflow) | 1972-10-11 |
JPS5221042A (en) | 1977-02-17 |
JPS592298B2 (ja) | 1984-01-18 |
DE2216718A1 (de) | 1972-10-19 |
JPS54148095A (en) | 1979-11-19 |
GB1393692A (en) | 1975-05-14 |
FR2132780A1 (enrdf_load_stackoverflow) | 1972-11-24 |
FR2132780B1 (enrdf_load_stackoverflow) | 1977-06-24 |
IT953632B (it) | 1973-08-10 |
JPS5224290A (en) | 1977-02-23 |
DE2216718C2 (de) | 1983-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1393694A (en) | Extruders | |
EP0201337A3 (en) | Early progressive junction extrusion system | |
ES426785A1 (es) | Procedimiento de produccion de acero inoxidable. | |
GB1484187A (en) | Process for controlling rheology of polypropylene | |
ES445205A1 (es) | Perfeccionamientos en los aparatos para extruir material po-limerico. | |
GB1356410A (en) | Device for introducing a medicinal medium into the body through the anus | |
CA2013320A1 (en) | Gas sealing valve and valve equipped plastic processing installation | |
ES359896A1 (es) | Un procedimiento para la preparacion de una composicion po-limerica expansionable. | |
GB1101824A (en) | Process for the manufacture of thermoplastic films | |
GB1504526A (en) | Containers | |
GB1446353A (en) | Apparatus for metling and dispensing thermoplastics material | |
JPS5413567A (en) | Molding of foamed article | |
GB1372959A (en) | Injection moulding method | |
CA2132955A1 (en) | Mandrel for cooling | |
JPS5458766A (en) | Multicolored vessels and their formation | |
JPS5715943A (en) | Vacuum extruder | |
GB985310A (en) | Apparatus for the production of gas-impermeable laminated sheetings from thermoplastics | |
GB1389922A (en) | Process control | |
JPS5314750A (en) | Process of preparing silane-bridged polyolefin moldings | |
JPS54145757A (en) | Method of controlling injection molding | |
AU576380B2 (en) | Discharge nozzle for extrusion press | |
JPS55103933A (en) | Molding method of large thickness portion of flanged pipe | |
ES377540A1 (es) | Aparato para dar forma a un material plastico. | |
JPS5436367A (en) | Method of feeding material and unit therefor in extrusion of oil-containing high-polymer | |
JPS5438356A (en) | Apparatus for manufacturing extrusion molded colored product |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |