CA1131868A - Process for producing plastic foil - Google Patents

Process for producing plastic foil

Info

Publication number
CA1131868A
CA1131868A CA338,458A CA338458A CA1131868A CA 1131868 A CA1131868 A CA 1131868A CA 338458 A CA338458 A CA 338458A CA 1131868 A CA1131868 A CA 1131868A
Authority
CA
Canada
Prior art keywords
surface layer
foil
plastic material
extrusion
foils
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
CA338,458A
Other languages
English (en)
French (fr)
Inventor
Nils Karlsson
Goran Carlsson
Gerth Jonsson
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.)
Celloplast AB
Original Assignee
Celloplast AB
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
Application filed by Celloplast AB filed Critical Celloplast AB
Application granted granted Critical
Publication of CA1131868A publication Critical patent/CA1131868A/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
    • B29C48/335—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
    • 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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0072—Roughness, e.g. anti-slip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CA338,458A 1978-11-01 1979-10-25 Process for producing plastic foil Expired CA1131868A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7811311A SE414604B (sv) 1978-11-01 1978-11-01 Sett att framstella folie eller film av plastmaterial med forhojd ytfriktion
SE7811311-5 1978-11-01

Publications (1)

Publication Number Publication Date
CA1131868A true CA1131868A (en) 1982-09-21

Family

ID=20336236

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338,458A Expired CA1131868A (en) 1978-11-01 1979-10-25 Process for producing plastic foil

Country Status (8)

Country Link
AT (1) AT368439B (sv)
CA (1) CA1131868A (sv)
CH (1) CH652645A5 (sv)
DE (1) DE2953283C1 (sv)
FI (1) FI69776B (sv)
GB (1) GB2043527B (sv)
SE (1) SE414604B (sv)
WO (1) WO1980000936A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012910A3 (en) * 2009-07-28 2011-03-24 George Lagouderis Thermoplastic film with flexible reinforcements, machine and method of its production

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095849B1 (en) * 1982-05-20 1987-09-09 Stiksack STS S.A. Plastics film and bags and sacks therefrom
FR2751913B1 (fr) * 1996-08-02 1998-10-30 Mesnel Procede et dispositif de fabrication par extrusion d'un profile a section variable localement, et profile ainsi realise
RU2204482C2 (ru) * 1997-02-05 2003-05-20 Йожеф Ст. МАНДЖУ Система для уменьшения скольжения термопластичных упаковочных пленок
US7775716B2 (en) 2004-05-26 2010-08-17 Kee Plastics Ab Piping bag, blank for manufacturing a piping bag and method of manufacturing a piping bag

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI63344C (sv) * 1975-04-28 1988-05-03 Wiik & Hoeglund Förfarande för framställning av halkfri plastfolie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011012910A3 (en) * 2009-07-28 2011-03-24 George Lagouderis Thermoplastic film with flexible reinforcements, machine and method of its production

Also Published As

Publication number Publication date
AT368439B (de) 1982-10-11
FI793258A (fi) 1980-05-02
WO1980000936A1 (en) 1980-05-15
CH652645A5 (de) 1985-11-29
GB2043527B (en) 1982-10-06
FI69776B (fi) 1985-12-31
DE2953283A1 (en) 1980-12-18
SE414604B (sv) 1980-08-11
DE2953283C1 (de) 1985-02-28
ATA903979A (de) 1982-02-15
SE7811311L (sv) 1980-05-02
GB2043527A (en) 1980-10-08

Similar Documents

Publication Publication Date Title
US3354506A (en) Apparatus for melt extrusion of multi-wall plastic tubing
EP0110493B1 (en) Method for producing a multi-layered plastics container
US4476080A (en) Method and apparatus for producing a multi-layer laminated resin film
US3223761A (en) Melt extrusion of multi-wall plastic tubing
US3909170A (en) Adjustable flat spinneret for the coextrusion of flat films comprising a plurality of components
US4289560A (en) Method of making laminates of thermoplastic polymers by a single-channel coextrusion process and melt injector block for use therein
KR20070003942A (ko) 멀티 레이어 합성 물체
EP0503065A4 (en) Process for producing laminate film
RU2464167C2 (ru) Способ изготовления многослойного объекта
US3968196A (en) Method of co-extrusion of polyvinylidene fluoride/polystyrene multiple-layered sheeting
CA1195070A (en) Rigid coextruded sheet and container
US3327349A (en) Extrusion adaptor
CA2253218A1 (en) Coextruded blown film and products made using the same
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
CA1131868A (en) Process for producing plastic foil
US4289727A (en) Method for extrusion of tubular films
US6093462A (en) Low orientation thermoplastic sheet products and processes
US4522854A (en) Integral film tear strip
US4521368A (en) Method of making internally cross-ribbed plastics material structure
US4432826A (en) Coextrusion method and apparatus
EP0573683A1 (en) Method for the manufacture of blow-molded reinforced thermoplastic containers, and containers produced by said method
CA1080925A (en) Helical rib reinforced laminate
CA1198562A (en) Thermoforming coextruded plastic sheets
US4353498A (en) Multiple ply coextrusion
EP0291136B2 (en) Plastic tube with solid crossribs on the outer surface, a moulding device therefor; installation comprising such a device and a method for moulding a plastic tube

Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19990921