GB8808237D0 - Method & apparatus for producing foamed tubes of plastics materials - Google Patents

Method & apparatus for producing foamed tubes of plastics materials

Info

Publication number
GB8808237D0
GB8808237D0 GB888808237A GB8808237A GB8808237D0 GB 8808237 D0 GB8808237 D0 GB 8808237D0 GB 888808237 A GB888808237 A GB 888808237A GB 8808237 A GB8808237 A GB 8808237A GB 8808237 D0 GB8808237 D0 GB 8808237D0
Authority
GB
United Kingdom
Prior art keywords
plastics materials
producing foamed
foamed tubes
tubes
producing
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.)
Pending
Application number
GB888808237A
Other versions
GB2204524A (en
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.)
KraussMaffei Berstorff GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6325666&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB8808237(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Publication of GB8808237D0 publication Critical patent/GB8808237D0/en
Publication of GB2204524A publication Critical patent/GB2204524A/en
Pending legal-status Critical Current

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
    • 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
    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/485—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with three or more shafts provided with 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
    • B29B7/80—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
    • 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
    • B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
    • B29C48/37—Gear pumps
    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/387—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a gear pump
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating 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
    • B29C48/36—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/435—Sub-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
    • B29C48/36—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/435—Sub-screws
    • B29C48/44—Planetary 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
    • B29C48/80—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
    • 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
    • B29C48/85—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
    • B29C48/09—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
GB08808237A 1987-04-15 1988-04-08 A method and apparatus for producing foamed tubes of plastics materials Pending GB2204524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3712749A DE3712749C1 (en) 1987-04-15 1987-04-15 Use of a secondary extruder of a tandem system for cooling a plastic blowing agent mixture melt produced in a primary extruder

Publications (2)

Publication Number Publication Date
GB8808237D0 true GB8808237D0 (en) 1988-05-11
GB2204524A GB2204524A (en) 1988-11-16

Family

ID=6325666

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08808237A Pending GB2204524A (en) 1987-04-15 1988-04-08 A method and apparatus for producing foamed tubes of plastics materials

Country Status (4)

Country Link
JP (1) JPS63278818A (en)
DE (1) DE3712749C1 (en)
GB (1) GB2204524A (en)
IT (1) IT1216670B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112388943A (en) * 2019-08-14 2021-02-23 布鲁克纳机械有限责任两合公司 Device for producing plastic melts and use thereof

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2006361A1 (en) * 1988-12-27 1990-06-27 Jean G. Korb Method and apparatus for preparing thermoplastic foam
DE4308098B4 (en) * 1993-03-15 2005-03-10 Rust & Mitschke Entex Planetary roller extruder
ATE176618T1 (en) * 1993-06-16 1999-02-15 Union Carbide Chem Plastic DEVICE AND METHOD FOR CONTINUOUS PELLETIZING THERMOPLASTIC PLASTICS
DE19812889B4 (en) * 1998-03-24 2008-05-29 Entex Rust & Mitschke Gmbh Liquid-cooled planetary roller extruder
DE19815695C2 (en) * 1998-04-08 2001-09-20 Battenfeld Extrusionstech Planetary roller extruder
DE20003297U1 (en) * 2000-02-23 2000-07-06 Battenfeld Extrusionstech Device for plasticizing plastic material
CZ298865B6 (en) * 2000-09-28 2008-02-27 Berstorff Gmbh Screw extruder and gear pump arrangement for highly viscous media
DE10055772A1 (en) * 2000-11-10 2002-05-29 Buehler Ag Ring extruder intake
DE10150006A1 (en) * 2001-10-11 2003-04-17 Buehler Ag Ring extruder for processing powders, pellets or flock material has a conveyer screw element with a section which does not intermesh with a screw element on an adjacent screw shaft
ES2272880T3 (en) * 2003-02-09 2007-05-01 ENTEX RUST & MITSCHKE GMBH PROCEDURE FOR PET TREATMENT.
DE10317357B4 (en) * 2003-04-15 2006-10-26 3+Extruder Gmbh extruder
DE10356350B4 (en) * 2003-11-28 2008-04-30 Battenfeld Extrusionstechnik Gmbh Method for tempering a roller part of a planetary roller extruder
IT1397297B1 (en) * 2009-11-25 2013-01-04 Polymtec Trading Ag Ora Polymtec Engineering Ag ARTICLE BASED ON EXTRUDED POLYSTYRENE, PROCEDURE AND PLANT TO OBTAIN THIS ITEM
CN101966746A (en) * 2010-06-23 2011-02-09 昆山科信橡塑机械有限公司 Single-double connector for connecting upper flow channel with lower flow channel
DE102013008202B4 (en) * 2013-05-14 2017-10-26 Frank van Lück Process for producing a foam body by extrusion and extrusion apparatus for producing a foam body
DE102013008201B4 (en) * 2013-05-14 2017-08-17 Gneuss Gmbh Process for producing a foam body by extrusion and extrusion apparatus for producing a foam body
JP2015218318A (en) * 2014-05-21 2015-12-07 テーザ・ソシエタス・ヨーロピア Manufacturing method of syntactic foam type polymer composition, preferably pressure-sensitive adhesive composition, apparatus for performing the method, extruded product, and self adhesive tape
WO2016059572A2 (en) * 2014-10-16 2016-04-21 Polimer S.A.S. Di Federici Renato E C. A plant and method for making a plastic film
DE102017006638A1 (en) * 2017-07-13 2019-01-17 Entex Rust & Mitschke Gmbh Filling module in planetary roller extruder design
WO2020028004A1 (en) * 2018-07-30 2020-02-06 Corning Incorporated Extrusion apparatus for ceramic structures and honeycomb filters
EP3827962A1 (en) * 2019-11-26 2021-06-02 3M Innovative Properties Company Foamed polymeric composition
DE102020114392A1 (en) 2020-05-28 2021-12-02 Edgar Gandelheidt BLOWED FILM PLANT INCLUDING A PLASTICIZING AND / OR CONDITIONING AGENT COMPRISING A CENTRAL SHAFT AND AT LEAST ONE PLANET ROLLER, MANUFACTURING METHOD, FILM AND CONVERTING METHOD
DE102021125395A1 (en) 2021-09-30 2023-03-30 Battenfeld-Cincinnati Germany Gmbh Planetary roller extruder for processing biodegradable materials and method for cleaning the planetary roller extruder

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DE1135652B (en) * 1950-06-29 1962-08-30 Dow Chemical Co Continuous process for the production of a thermoplastic cell body
SE318703B (en) * 1963-11-15 1969-12-15 W M B International Ab
DE2554712A1 (en) * 1975-12-05 1977-06-08 Bayer Ag DEVICE FOR EXTRUDING TEMPERATURE-SENSITIVE, THERMOPLASTIC PLASTICS INTO SEMI-FINISHED PRODUCTS
DE2719095C2 (en) * 1977-04-29 1984-07-05 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Screw press for processing plastic masses, in particular plastics and rubber
DE2905717A1 (en) * 1979-02-15 1980-08-28 Berstorff Gmbh Masch Hermann Single screw extruder for thermoplastics - has two separate planetary sections with central shafts fixed to remaining shafts
JPS6052925B2 (en) * 1980-04-24 1985-11-22 積水化成品工業株式会社 Temperature control device for resin foam production
DE3316838C2 (en) * 1983-05-07 1986-08-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Tandem extruder system for the production of a foamed material web from thermoplastic material, in particular from polystyrene
JPS6223725A (en) * 1985-07-24 1987-01-31 Sekisui Plastics Co Ltd Apparatus for preparation of foamed shape of thermoplastic resin
CA1255866A (en) * 1985-07-24 1989-06-20 Hiromu Fujisaki Method and apparatus for production of foamed thermoplastic material
JPS6256144A (en) * 1985-09-06 1987-03-11 川崎製鉄株式会社 Method of detecting state of adhesion of composite laminatedsteel plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112388943A (en) * 2019-08-14 2021-02-23 布鲁克纳机械有限责任两合公司 Device for producing plastic melts and use thereof

Also Published As

Publication number Publication date
IT8820046A0 (en) 1988-03-31
DE3712749C1 (en) 1988-07-07
GB2204524A (en) 1988-11-16
JPS63278818A (en) 1988-11-16
IT1216670B (en) 1990-03-08

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