GB1305826A - - Google Patents

Info

Publication number
GB1305826A
GB1305826A GB2236670A GB2236670A GB1305826A GB 1305826 A GB1305826 A GB 1305826A GB 2236670 A GB2236670 A GB 2236670A GB 2236670 A GB2236670 A GB 2236670A GB 1305826 A GB1305826 A GB 1305826A
Authority
GB
United Kingdom
Prior art keywords
layers
passageway
cooling passageway
extrusion
coolant
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
Application number
GB2236670A
Other languages
English (en)
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
Priority claimed from DE19691923852 external-priority patent/DE1923852C/de
Application filed filed Critical
Publication of GB1305826A publication Critical patent/GB1305826A/en
Expired 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
    • 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
    • B29C48/147—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle
    • B29C48/1472—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration after the die nozzle at the die nozzle exit 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
    • B29C48/16—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
    • B29C48/32—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
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under 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
    • B29C48/25—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

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB2236670A 1969-05-09 1970-05-08 Expired GB1305826A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691923852 DE1923852C (de) 1969-05-09 Verfahren und Vorrichtung zur Her Stellung eines teilweise gereckten Kunststoff Folienmaterials

Publications (1)

Publication Number Publication Date
GB1305826A true GB1305826A (ja) 1973-02-07

Family

ID=5733790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2236670A Expired GB1305826A (ja) 1969-05-09 1970-05-08

Country Status (10)

Country Link
JP (1) JPS535339B1 (ja)
BE (1) BE750152A (ja)
BR (1) BR7018889D0 (ja)
CA (1) CA941113A (ja)
CH (1) CH507085A (ja)
ES (1) ES379505A1 (ja)
FR (1) FR2042531B1 (ja)
GB (1) GB1305826A (ja)
NL (1) NL168441C (ja)
SE (1) SE364215B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096179A2 (en) * 1982-06-07 1983-12-21 Idemitsu Petrochemical Co. Ltd. Multi-layer extrusion die
GB2397212B (en) * 2001-11-29 2005-12-07 Isp Investments Inc Process and equipment for making simulated olive products by coextrusion, and obtainable product

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629789A1 (de) * 1976-07-02 1978-01-05 Demag Kunststofftech Blaskopf zur herstellung von schlauchfolien im extrusionsverfahren
DE3211833C2 (de) * 1982-03-31 1985-09-26 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Blaskopf für die Herstellung einer Kunststoffblasfolie durch Flachlegen eines Blasfolienschlauches

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1044068A (en) * 1962-10-24 1966-09-28 Union Carbide Corp Production of coated biaxially oriented linear highly crystalline polyolefin films

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0096179A2 (en) * 1982-06-07 1983-12-21 Idemitsu Petrochemical Co. Ltd. Multi-layer extrusion die
EP0096179A3 (en) * 1982-06-07 1985-09-25 Idemitsu Petrochemical Co. Ltd. Multi-layer extrusion die
GB2397212B (en) * 2001-11-29 2005-12-07 Isp Investments Inc Process and equipment for making simulated olive products by coextrusion, and obtainable product
US7550171B2 (en) 2001-11-29 2009-06-23 Fmc Corporation Process and equipment for making simulated olive products by coextrusion, and obtainable product

Also Published As

Publication number Publication date
FR2042531A1 (ja) 1971-02-12
FR2042531B1 (ja) 1974-07-12
JPS535339B1 (ja) 1978-02-25
BR7018889D0 (pt) 1973-02-22
NL168441B (nl) 1981-11-16
BE750152A (fr) 1970-10-16
NL7006743A (ja) 1970-11-11
ES379505A1 (es) 1973-04-01
DE1923852A1 (de) 1970-12-17
SE364215B (ja) 1974-02-18
DE1923852B2 (de) 1972-12-28
CA941113A (en) 1974-02-05
NL168441C (nl) 1982-04-16
CH507085A (de) 1971-05-15

Similar Documents

Publication Publication Date Title
US3354506A (en) Apparatus for melt extrusion of multi-wall plastic tubing
EP0149321B1 (en) Heat-shrinkable laminate tubular film and process for producing it
US3223761A (en) Melt extrusion of multi-wall plastic tubing
US3812230A (en) Method for continuously making a hollow board article of thermoplastic resin
KR100254084B1 (ko) 동시 압출된 압감 접착 테이프 및 이의 제조 방법
KR960008301B1 (ko) 이축 연신된 다층 차단 필름
US3959432A (en) Coextrusion process
GB1105983A (en) A method and apparatus for the preparation of a composite thermoplastic resinous article
US3223764A (en) Process for production of biaxially oriented polypropylene film
KR910000314B1 (ko) 다층수지재료의 제조방법
GB1176357A (en) Improvements in the Conversion of Films into Separate Oriented Filaments
US5236642A (en) Multiple layer sheet materials, and packages, and methods and apparatus for making
US3949042A (en) Method and apparatus for making laminar plastic sheet material
US3682730A (en) Method for laminating oriented thermoplastic film to thermoplastic foam
CN107097498A (zh) 一种高透明的pe膜及其生产方法
JPS6250300B2 (ja)
JP3471924B2 (ja) スパイラルダイおよびこれを用いる積層体製造方法
GB1305826A (ja)
US3419938A (en) Multi-channel tubular extrusion die
US4871506A (en) Process for manufacturing films from semi-crystalline fluid polymers by coextrusion and tubular film blowing
US5705111A (en) Methods for making multiple layer sheet materials
EP0345987B1 (en) Methods of making multiple layer sheet materials, methods of processing polymers, extrusion apparatus, polymeric sheet materials and packaging made therefrom
US6332940B1 (en) Process for producing an invisible and writable biaxially oriented polypropylene (BOPP) raw processing film and the product thereof
US3275725A (en) Method of making laminated tubing
JPS5935332B2 (ja) 多層フイルムの製造方法

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee