GB2179886B - Method and apparatus for production of foamed thermoplastics material - Google Patents
Method and apparatus for production of foamed thermoplastics materialInfo
- Publication number
- GB2179886B GB2179886B GB8618082A GB8618082A GB2179886B GB 2179886 B GB2179886 B GB 2179886B GB 8618082 A GB8618082 A GB 8618082A GB 8618082 A GB8618082 A GB 8618082A GB 2179886 B GB2179886 B GB 2179886B
- Authority
- GB
- United Kingdom
- Prior art keywords
- production
- thermoplastics material
- foamed thermoplastics
- foamed
- thermoplastics
- 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 title 1
- 229920001169 thermoplastic Polymers 0.000 title 1
- 239000004416 thermosoftening plastic Substances 0.000 title 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
-
- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
-
- 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
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
- B29C48/467—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers using single rollers, e.g. provided with protrusions, closely surrounded by a housing with movement of the material in the axial direction
- B29C48/468—Cavity transfer mixing devices, i.e. a roller and surrounding barrel both provided with cavities; Barrels and rollers therefor
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
-
- 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
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/82—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
- B29C48/25—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
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/834—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
- B29C48/25—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
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
-
- 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
- B29C48/865—Heating
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
-
- 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60163564A JPS6223725A (ja) | 1985-07-24 | 1985-07-24 | 熱可塑性樹脂発泡体の製造装置 |
JP60196746A JPS6256114A (ja) | 1985-09-05 | 1985-09-05 | 熱可塑性樹脂発泡体の製造装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8618082D0 GB8618082D0 (en) | 1986-09-03 |
GB2179886A GB2179886A (en) | 1987-03-18 |
GB2179886B true GB2179886B (en) | 1989-09-20 |
Family
ID=26488961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8618082A Expired GB2179886B (en) | 1985-07-24 | 1986-07-24 | Method and apparatus for production of foamed thermoplastics material |
Country Status (9)
Country | Link |
---|---|
KR (1) | KR900003735B1 (fr) |
CN (1) | CN1007717B (fr) |
AT (1) | AT394518B (fr) |
CA (1) | CA1255866A (fr) |
DE (1) | DE3624909C2 (fr) |
ES (1) | ES2001581A6 (fr) |
FR (1) | FR2585282B1 (fr) |
GB (1) | GB2179886B (fr) |
PT (1) | PT83040B (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3714162A1 (de) * | 1986-04-29 | 1987-11-26 | Kendall & Co | Mischvorrichtung |
DE3819605A1 (de) * | 1987-02-27 | 1989-10-19 | Reifenhaeuser Masch | Verwendung einer vorrichtung zum mischen von thermoplastifiziertem kunststoff als einrichtung zum einbringen von additiven in einen mengenstrom aus thermoplastifiziertem kunststoff |
DE3712749C1 (de) * | 1987-04-15 | 1988-07-07 | Berstorff Gmbh Masch Hermann | Verwendung eines Sekundaerextruders einer Tandemanlage zum Kuehlen einer in einem Primaerextruder hergestellten Kunststoff-Treibmittelgemischschmelze |
DE3722050A1 (de) * | 1987-07-03 | 1989-01-19 | Berstorff Gmbh Masch Hermann | Verfahren und extruderanlage zum herstellen eines aufschaeumbaren kunststoffgemisches |
AU604846B2 (en) * | 1988-02-25 | 1991-01-03 | Idemitsu Petrochemical Co., Ltd. | Process of producing thermoplastic resin sheet and the like and equipment therefor |
US4906102A (en) * | 1988-04-08 | 1990-03-06 | Reifenhauser Gmbh & Co. Maschinenfabrik | Apparatus for mixing thermoplastified synthetic resins |
DE3910622A1 (de) * | 1988-04-08 | 1989-10-19 | Reifenhaeuser Masch | Verfahren zum dosierten einmischen von pumpfaehigen additiven in einen mengenstrom aus thermoplastifiziertem kunststoff |
US4900155A (en) * | 1988-04-08 | 1990-02-13 | Reifenhauser Gmbh & Co. Maschinenfabrik | Method of metering an additive into and mixing it with a thermoplastified synthetic resin |
DE3911110A1 (de) * | 1988-04-08 | 1989-10-19 | Reifenhaeuser Masch | Vorrichtung zum mischen von thermoplastifiziertem kunststoff als einrichtung zum einbringen von additiven in einen mengenstrom aus thermoplastifiziertem kunststoff |
CA2006361A1 (fr) * | 1988-12-27 | 1990-06-27 | Jean G. Korb | Methode et appareil pour la preparation de mousse thermoplastique |
JPH03233814A (ja) * | 1990-02-09 | 1991-10-17 | Sumitomo Electric Ind Ltd | 高発泡絶縁押出機 |
EP0629479B1 (fr) * | 1993-06-16 | 1999-02-10 | Union Carbide Chemicals And Plastics Company, Inc. | Dispositif et procédé pour la pelletisation en continu de matières synthétiques thermoplastiques |
DE4402666A1 (de) * | 1994-01-29 | 1995-08-03 | Roehm Gmbh | Verfahren zum kurzzeitigen Behandeln einer Kunststoffschmelze mit einem flüssigen Behandlungsmittel und dabei hergestellter thermoplastischer Kunststoff |
US6344159B1 (en) | 1999-09-21 | 2002-02-05 | Ut-Battelle, Llc | Method for extruding pitch based foam |
DE10062659B4 (de) | 2000-12-15 | 2005-09-22 | Demag Ergotech Gmbh | Aufschäummittelbeladungs- und Mischvorrichtung |
DE10157726A1 (de) | 2001-11-24 | 2003-06-05 | Krauss Maffei Kunststofftech | Gasbeladungseinheit einer Polyurethanspritzgießanlage |
KR20050058506A (ko) * | 2002-08-28 | 2005-06-16 | 제이에프이 엔지니어링 가부시키가이샤 | 발포 스티롤 수지의 재생방법 |
KR100517726B1 (ko) * | 2003-10-30 | 2005-09-27 | 동부정밀화학 주식회사 | 3-클로로-4-[4-메틸-2-(1h-1,2,4-트리아졸-1-일메틸)-1,3디옥솔란-2일]페닐4-클로로페닐에테르 화합물의 제조방법 |
WO2006063508A1 (fr) * | 2004-12-13 | 2006-06-22 | Accelergy Shanghai R & D Center | Procede et systeme de traitement de liquides ioniques par electrophorese capillaire |
ES2279704B1 (es) * | 2005-10-27 | 2008-06-01 | Universidade Da Coruña | Sistema para procesar espumas polimericas termoplasticas, utilizando dioxido de carbono (co2) como agente espumante. |
CN102700045A (zh) * | 2012-06-20 | 2012-10-03 | 浙江吉利汽车研究院有限公司杭州分公司 | 聚丙烯物理发泡制备汽车保险杠的方法 |
CN103057061B (zh) * | 2012-12-20 | 2015-10-28 | 华南理工大学 | 高效混合微孔发泡塑料精密注射成型装置与方法 |
DE102013008201B4 (de) | 2013-05-14 | 2017-08-17 | Gneuss Gmbh | Verfahren zur Herstellung eines Schaumkörpers durch Extrusion und Extrusionsvorrichtung zur Herstellung eines Schaumkörpers |
DE102013008202B4 (de) * | 2013-05-14 | 2017-10-26 | Frank van Lück | Verfahren zur Herstellung eines Schaumkörpers durch Extrusion und Extrusionsvorrichtung zur Herstellung eines Schaumkörpers |
CN103522573A (zh) * | 2013-09-13 | 2014-01-22 | 无锡锡东能源科技有限公司 | 一种民用火药挤出机螺杆 |
KR101716234B1 (ko) * | 2015-03-18 | 2017-03-14 | 주식회사디에이치하우징 | 고단열 및 난연성 발포 스티로폼재의 제조장치 |
KR101706067B1 (ko) * | 2015-03-31 | 2017-02-16 | 김종현 | 유기발포체용 뉴클리에이션 생성 장치 |
KR102069098B1 (ko) * | 2017-09-15 | 2020-01-22 | 강명호 | 발포 성형장치 및 이에 의한 발포 성형방법 |
CN109435194B (zh) * | 2018-12-14 | 2024-03-01 | 北京化工大学 | 一种用于热塑性聚酯发泡成型装置 |
JP7354691B2 (ja) * | 2019-08-29 | 2023-10-03 | セイコーエプソン株式会社 | 可塑化装置、三次元造形装置および射出成形装置 |
US11267175B2 (en) | 2019-10-15 | 2022-03-08 | King Steel Machinery Co., Ltd. | Injection molding system |
US11766812B2 (en) | 2019-10-15 | 2023-09-26 | King Steel Machinery Co., Ltd. | Injection molding system and injection molding method |
US11731324B2 (en) | 2021-08-23 | 2023-08-22 | King Steel Machinery Co., Ltd. | Molding device and injection molding method thereof |
JP7236182B1 (ja) * | 2021-08-23 | 2023-03-09 | キング スチール マシネリー カンパニー リミテッド | 射出成型システム及び射出成型方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB745480A (en) * | 1953-10-09 | 1956-02-29 | Dow Chemical Co | A process for the production of cellular thermoplastic products |
GB843849A (en) * | 1957-11-22 | 1960-08-10 | Ici Ltd | Mixing apparatus |
GB930339A (en) * | 1961-05-01 | 1963-07-03 | Metal Box Co Ltd | Improvements in or relating to the extrusion of molten thermoplastic material |
GB1137339A (en) * | 1966-08-18 | 1968-12-18 | Shell Int Research | A process for the production of foam from polymers and/or copolymers of vinyl chloride |
US3751377A (en) * | 1971-08-19 | 1973-08-07 | Dow Chemical Co | Method for the preparation of plastic foam |
GB1475216A (en) * | 1974-10-09 | 1977-06-01 | Barmag Barmer Maschf | Mixing machine |
EP0048590A1 (fr) * | 1980-09-23 | 1982-03-31 | Rapra Technology Limited | Mélangeur de boudineuse |
US4454087A (en) * | 1981-05-18 | 1984-06-12 | Sekisui Plastics | Method and apparatus for preparing thermoplastic resin foam |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL84582C (fr) * | 1950-06-29 | 1900-01-01 | ||
NL272537A (fr) * | 1961-07-24 | |||
US3368008A (en) * | 1964-01-09 | 1968-02-06 | Azuma Kimikazu | Method for producing foamable thermoplastic resin composition |
DE2632335A1 (de) * | 1976-07-17 | 1978-01-26 | Krupp Gmbh | Mischeinrichtung |
DE3038306C2 (de) * | 1980-10-10 | 1984-03-22 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Strangpreßvorrichtung zur Herstellung von geschäumtem, thermoplastischem Kunststoff |
US4436679A (en) * | 1981-11-09 | 1984-03-13 | Maryland Cup Corporation | Method and apparatus for generating foamed thermoplastic materials |
JPS6097805A (ja) * | 1983-11-02 | 1985-05-31 | Kobe Steel Ltd | 単軸混練押出機 |
-
1986
- 1986-07-22 CA CA000514389A patent/CA1255866A/fr not_active Expired
- 1986-07-23 DE DE3624909A patent/DE3624909C2/de not_active Expired - Fee Related
- 1986-07-23 KR KR1019860005964A patent/KR900003735B1/ko not_active IP Right Cessation
- 1986-07-23 AT AT0199286A patent/AT394518B/de not_active IP Right Cessation
- 1986-07-23 PT PT83040A patent/PT83040B/pt not_active IP Right Cessation
- 1986-07-24 FR FR868610767A patent/FR2585282B1/fr not_active Expired
- 1986-07-24 ES ES8601339A patent/ES2001581A6/es not_active Expired
- 1986-07-24 GB GB8618082A patent/GB2179886B/en not_active Expired
- 1986-07-24 CN CN86105207A patent/CN1007717B/zh not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB745480A (en) * | 1953-10-09 | 1956-02-29 | Dow Chemical Co | A process for the production of cellular thermoplastic products |
GB843849A (en) * | 1957-11-22 | 1960-08-10 | Ici Ltd | Mixing apparatus |
GB930339A (en) * | 1961-05-01 | 1963-07-03 | Metal Box Co Ltd | Improvements in or relating to the extrusion of molten thermoplastic material |
GB1137339A (en) * | 1966-08-18 | 1968-12-18 | Shell Int Research | A process for the production of foam from polymers and/or copolymers of vinyl chloride |
US3751377A (en) * | 1971-08-19 | 1973-08-07 | Dow Chemical Co | Method for the preparation of plastic foam |
GB1475216A (en) * | 1974-10-09 | 1977-06-01 | Barmag Barmer Maschf | Mixing machine |
EP0048590A1 (fr) * | 1980-09-23 | 1982-03-31 | Rapra Technology Limited | Mélangeur de boudineuse |
US4454087A (en) * | 1981-05-18 | 1984-06-12 | Sekisui Plastics | Method and apparatus for preparing thermoplastic resin foam |
Also Published As
Publication number | Publication date |
---|---|
GB2179886A (en) | 1987-03-18 |
FR2585282B1 (fr) | 1989-12-15 |
FR2585282A1 (fr) | 1987-01-30 |
PT83040A (en) | 1986-08-01 |
CN1007717B (zh) | 1990-04-25 |
KR870001021A (ko) | 1987-03-10 |
CN86105207A (zh) | 1987-08-05 |
GB8618082D0 (en) | 1986-09-03 |
PT83040B (pt) | 1995-03-01 |
ATA199286A (de) | 1991-10-15 |
AT394518B (de) | 1992-04-27 |
CA1255866A (fr) | 1989-06-20 |
ES2001581A6 (es) | 1988-06-01 |
DE3624909A1 (de) | 1987-01-29 |
DE3624909C2 (de) | 1995-12-21 |
KR900003735B1 (ko) | 1990-05-30 |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020724 |