NO894583L - Fremgangsmaate for fremstilling av celleplast. - Google Patents

Fremgangsmaate for fremstilling av celleplast.

Info

Publication number
NO894583L
NO894583L NO89894583A NO894583A NO894583L NO 894583 L NO894583 L NO 894583L NO 89894583 A NO89894583 A NO 89894583A NO 894583 A NO894583 A NO 894583A NO 894583 L NO894583 L NO 894583L
Authority
NO
Norway
Prior art keywords
plastic mass
plastic
braking
holding device
mass
Prior art date
Application number
NO89894583A
Other languages
English (en)
Norwegian (no)
Other versions
NO894583D0 (no
Inventor
Baard Spydevold
Original Assignee
Placell As
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 NO892921A external-priority patent/NO892921D0/no
Application filed by Placell As filed Critical Placell As
Priority to NO89894583A priority Critical patent/NO894583L/no
Publication of NO894583D0 publication Critical patent/NO894583D0/no
Priority to AT90911316T priority patent/ATE117937T1/de
Priority to ES90911316T priority patent/ES2067751T3/es
Priority to FI903586A priority patent/FI903586A0/fi
Priority to DE69016659T priority patent/DE69016659T2/de
Priority to JP2510542A priority patent/JPH05500779A/ja
Priority to CA002064199A priority patent/CA2064199A1/en
Priority to AU60512/90A priority patent/AU642894B2/en
Priority to AR90317377A priority patent/AR244734A1/es
Priority to KR1019920700105A priority patent/KR920703314A/ko
Priority to BR909007538A priority patent/BR9007538A/pt
Priority to IE258590A priority patent/IE902585A1/en
Priority to EP90911316A priority patent/EP0483230B1/en
Priority to DK170990A priority patent/DK170990A/da
Priority to US07/820,860 priority patent/US5277852A/en
Priority to PCT/NO1990/000118 priority patent/WO1991001212A1/en
Priority to SE9002455A priority patent/SE505638C2/sv
Priority to PL90286085A priority patent/PL165163B1/pl
Priority to CN90107076A priority patent/CN1029316C/zh
Publication of NO894583L publication Critical patent/NO894583L/no
Priority to SU925010963A priority patent/RU2033925C1/ru

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
    • 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
    • B29C48/03—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
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped
    • 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
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • B29C48/797—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
    • B29C48/86—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
    • B29C48/78—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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
    • 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
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous

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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Prostheses (AREA)
  • Magnetic Record Carriers (AREA)
  • Fuel Cell (AREA)
NO89894583A 1989-07-17 1989-11-17 Fremgangsmaate for fremstilling av celleplast. NO894583L (no)

Priority Applications (20)

Application Number Priority Date Filing Date Title
NO89894583A NO894583L (no) 1989-07-17 1989-11-17 Fremgangsmaate for fremstilling av celleplast.
US07/820,860 US5277852A (en) 1989-07-17 1990-07-16 Process and apparatus for the production of cellular plastic
PCT/NO1990/000118 WO1991001212A1 (en) 1989-07-17 1990-07-16 Process for the production of cellular plastic
KR1019920700105A KR920703314A (ko) 1989-07-17 1990-07-16 발포 플라스틱의 제조 방법
BR909007538A BR9007538A (pt) 1989-07-17 1990-07-16 Processo para a producao de plastico celular
FI903586A FI903586A0 (fi) 1989-07-17 1990-07-16 Foerfarande foer framstaellning av cellplast.
DE69016659T DE69016659T2 (de) 1989-07-17 1990-07-16 Herstellungsverfahren von zellkunststoff.
JP2510542A JPH05500779A (ja) 1989-07-17 1990-07-16 気泡質プラスチックの製造方法
CA002064199A CA2064199A1 (en) 1989-07-17 1990-07-16 Process for the production of cellular plastic
AU60512/90A AU642894B2 (en) 1989-07-17 1990-07-16 Process for the production of cellular plastic
AR90317377A AR244734A1 (es) 1989-07-17 1990-07-16 Procedimiento para la produccion de plastico celular
AT90911316T ATE117937T1 (de) 1989-07-17 1990-07-16 Herstellungsverfahren von zellkunststoff.
ES90911316T ES2067751T3 (es) 1989-07-17 1990-07-16 Procedimiento para la produccion de plastico celular.
IE258590A IE902585A1 (en) 1989-07-17 1990-07-16 Process for the production of cellular plastic
EP90911316A EP0483230B1 (en) 1989-07-17 1990-07-16 Process for the production of cellular plastic
DK170990A DK170990A (da) 1989-07-17 1990-07-16 Fremgangsmaade til fremstilling af celleplast
CN90107076A CN1029316C (zh) 1989-07-17 1990-07-17 生产微孔塑料的方法
PL90286085A PL165163B1 (pl) 1989-07-17 1990-07-17 Sposób i urzadzenie do ciaglego lub pólciaglego wytwarzania komórkowych tworzywsztucznych PL PL
SE9002455A SE505638C2 (sv) 1989-07-17 1990-07-17 Förfarande för framställning av cellplast
SU925010963A RU2033925C1 (ru) 1989-07-17 1992-01-16 Способ непрерывного или полунепрерывного получения поропласта

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO892921A NO892921D0 (no) 1989-07-17 1989-07-17 Fremgangsmaate for fremstilling av celleplast.
NO89894583A NO894583L (no) 1989-07-17 1989-11-17 Fremgangsmaate for fremstilling av celleplast.

Publications (2)

Publication Number Publication Date
NO894583D0 NO894583D0 (no) 1989-11-17
NO894583L true NO894583L (no) 1991-01-18

Family

ID=26648172

Family Applications (1)

Application Number Title Priority Date Filing Date
NO89894583A NO894583L (no) 1989-07-17 1989-11-17 Fremgangsmaate for fremstilling av celleplast.

Country Status (20)

Country Link
US (1) US5277852A (pt)
EP (1) EP0483230B1 (pt)
JP (1) JPH05500779A (pt)
KR (1) KR920703314A (pt)
CN (1) CN1029316C (pt)
AR (1) AR244734A1 (pt)
AT (1) ATE117937T1 (pt)
AU (1) AU642894B2 (pt)
BR (1) BR9007538A (pt)
CA (1) CA2064199A1 (pt)
DE (1) DE69016659T2 (pt)
DK (1) DK170990A (pt)
ES (1) ES2067751T3 (pt)
FI (1) FI903586A0 (pt)
IE (1) IE902585A1 (pt)
NO (1) NO894583L (pt)
PL (1) PL165163B1 (pt)
RU (1) RU2033925C1 (pt)
SE (1) SE505638C2 (pt)
WO (1) WO1991001212A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT393272B (de) * 1989-06-07 1991-09-25 Rettenbacher Markus Dipl Ing Verfahren zur herstellung von extrudierten, direkt expandierten biopolymerprodukten und holzfaserplatten, verpackungs- und isoliermaterialien
NO178771C (no) * 1993-09-15 1996-05-29 Polynor Partners As Fremgangsmåte for fremstilling av produkt av lett celleplast med lukkede celler
US5731537A (en) * 1996-05-09 1998-03-24 Sassaman; Glenn Eldridge System and method for reforming shotshells
US5786000A (en) * 1996-08-28 1998-07-28 Berner; Rolf E. Continuous molding machine with pusher
US7763345B2 (en) 1999-12-14 2010-07-27 Mannington Mills, Inc. Thermoplastic planks and methods for making the same
US6444154B1 (en) * 2000-12-20 2002-09-03 General Electric Company Continuous preparation of a liquid silicone rubber composition
US8028486B2 (en) 2001-07-27 2011-10-04 Valinge Innovation Ab Floor panel with sealing means
US7951449B2 (en) * 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
TWI226350B (en) * 2002-12-26 2005-01-11 Ind Tech Res Inst Open-cell microcellular polystyrene foams and method for making the same
US7585557B2 (en) * 2004-02-17 2009-09-08 Eastman Kodak Company Foam core imaging element with gradient density core
US7033723B2 (en) * 2004-02-27 2006-04-25 Eastman Kodak Company Surface roughness frequency to control pits on foam core imaging supports
US7037634B2 (en) * 2004-02-27 2006-05-02 Eastman Kodak Company Polymer foam surface smoothing materials and method
SE530653C2 (sv) 2006-01-12 2008-07-29 Vaelinge Innovation Ab Fuktsäker golvskiva samt golv med ett elastiskt ytskikt omfattande ett dekorativt spår
NL2003019C2 (nl) 2009-06-12 2010-12-15 4Sight Innovation Bv Vloerpaneel en vloerbedekking bestaande uit meerdere van dergelijke vloerpanelen.
NL2018781B1 (en) 2017-04-26 2018-11-05 Innovations4Flooring Holding N V Panel and covering

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310617A (en) * 1963-06-19 1967-03-21 Shell Oil Co Process for preparing uniform melt dispersion of blowing agent and polymer and its use in making foamed products
US3391051A (en) * 1965-04-19 1968-07-02 Bell & Richardson Inc De Thermoplastic foam sheet material and apparatus for the manufacture thereof
NL6701289A (pt) * 1967-01-27 1967-04-25
DE1704837C3 (de) * 1967-07-18 1975-03-27 Metzeler Ag, 8000 Muenchen Vorrichtung zum kontinuierlichen Herstellen von Rechteck-Schaumstoffblöcken
BE789774A (fr) * 1972-02-18 1973-02-01 Sinclair Koppers Co Procede et appareil pour la fabrication de profiles en mousse
US4049760A (en) * 1973-03-16 1977-09-20 Societe Chimique Des Charbonnages Method of manufacture of foamed thermo-plastic extruded shapes
US4017245A (en) * 1974-07-26 1977-04-12 Foster Grant Co., Inc. Apparatus for extruding expandable thermoplastic material
JPS527022A (en) * 1975-07-05 1977-01-19 Ichirou Kikuchi Improved typed earthquake proof self gas stop device
US4187066A (en) * 1977-10-07 1980-02-05 H & S Industries, Inc. Apparatus for the preparation of display blocks of urea formaldehyde foam
JPS5645928A (en) * 1979-09-21 1981-04-25 Teijin Ltd Production of polyester extruded expanded article
DE3016926C2 (de) * 1980-05-02 1982-08-12 Heggenstaller, Anton, 8891 Unterbernbach Vorrichtung zum Aushärten stranggepreßter Körper
US4344710A (en) * 1980-06-10 1982-08-17 Mobil Oil Corporation Polymer foam extrusion system
US4456571A (en) * 1982-12-13 1984-06-26 Mobil Oil Corporation Process and apparatus for forming a composite foamed polymeric sheet structure having comparatively high density skin layers and a comparatively low density core layer
US4657715A (en) * 1984-12-31 1987-04-14 Mobil Oil Corporation Process for preparing smooth skinned extruded foams with water-organic blowing agent
US4773448A (en) * 1987-02-26 1988-09-27 Francis Norman L Freeze-resistant plastic pipe and method for its manufacture
US4789513A (en) * 1987-06-05 1988-12-06 P.C.E. Corp. Coextrusion apparatus and process
US4960549A (en) * 1988-05-23 1990-10-02 Amoco Corporation Process for preparing polyamide-imide foam
US5116881A (en) * 1990-03-14 1992-05-26 James River Corporation Of Virginia Polypropylene foam sheets

Also Published As

Publication number Publication date
DE69016659T2 (de) 1995-09-07
BR9007538A (pt) 1992-06-23
EP0483230B1 (en) 1995-02-01
EP0483230A1 (en) 1992-05-06
ES2067751T3 (es) 1995-04-01
US5277852A (en) 1994-01-11
PL286085A1 (en) 1991-04-08
JPH05500779A (ja) 1993-02-18
NO894583D0 (no) 1989-11-17
CN1029316C (zh) 1995-07-12
ATE117937T1 (de) 1995-02-15
KR920703314A (ko) 1992-12-17
CN1052489A (zh) 1991-06-26
DK170990A (da) 1991-01-18
SE505638C2 (sv) 1997-09-22
AU642894B2 (en) 1993-11-04
SE9002455D0 (sv) 1990-07-17
PL165163B1 (pl) 1994-11-30
SE9002455L (sv) 1991-01-18
RU2033925C1 (ru) 1995-04-30
DE69016659D1 (de) 1995-03-16
WO1991001212A1 (en) 1991-02-07
AU6051290A (en) 1991-02-22
IE902585A1 (en) 1991-02-27
CA2064199A1 (en) 1991-01-18
DK170990D0 (da) 1990-07-16
AR244734A1 (es) 1993-11-30
FI903586A0 (fi) 1990-07-16

Similar Documents

Publication Publication Date Title
NO894583L (no) Fremgangsmaate for fremstilling av celleplast.
US4761256A (en) Method for producing microcellular foamed plastic material with smooth integral skin
US3957940A (en) Wrinkle free extrusion coating of heat fusible foam sheet
US4629650A (en) Process for producing molded thermoplastic resin
EP1200238B1 (en) Breathable polymer foams
US4722820A (en) Molten theromplastic web feeding process
US2634459A (en) Process for the manufacture of crystalline vinylidene chloride polymer tubing whose walls do not cohere
US4399086A (en) Process for manufacturing foamed plastic sheets
US3461496A (en) Apparatus for extruding a skin covered,foamed thermoplastic
FI57711C (fi) Foerfarande och extruderingsverktyg foer framstaellning av profiler genom extrudering
DK143838B (da) Fremgangsmaade ved fremstilling af skumplastgenstande med traeaaremoenster og ekstrudervaerktoej til brug ved udoevelse af fremgangsmaaden
US3823211A (en) Synthetic resin laminate and its manufacturing process
US5211899A (en) Process for production of polypropylene sheets or films
JPH09222185A (ja) 複合パイプ及びその製造方法
US3422172A (en) Production of plastic foam sheet
US3248462A (en) Method for producing foamed sheet material having essentially equal tensile properties
CA1072710A (en) Stretching process
US3030623A (en) Method for making blown rubber
CA1294406C (fr) Procede et appareillage d'extrusion de matieres plastiques expansibles
NO170491B (no) Fremgangsmaate ved fremstilling av celleplast
JPS63122515A (ja) スチレン系樹脂発泡シ−トの製造方法
WO1985002142A1 (en) Molten thermoplastic web feeding process and apparatus
EP0065415A1 (en) Polymeric film casting and apparatus therefor
JPS59124815A (ja) 熱可塑性樹脂の配向成形法
US3343216A (en) Apparatus for the preparation of foamed sheet material