FI69776B - Saett att framstaella plastfolie - Google Patents

Saett att framstaella plastfolie Download PDF

Info

Publication number
FI69776B
FI69776B FI793258A FI793258A FI69776B FI 69776 B FI69776 B FI 69776B FI 793258 A FI793258 A FI 793258A FI 793258 A FI793258 A FI 793258A FI 69776 B FI69776 B FI 69776B
Authority
FI
Finland
Prior art keywords
film
plastic material
plastic
surface layer
films
Prior art date
Application number
FI793258A
Other languages
English (en)
Finnish (fi)
Other versions
FI793258A7 (fi
Inventor
Nils Karlsson
Goeran Carlsson
Gerth Jonsson
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
Publication of FI793258A7 publication Critical patent/FI793258A7/fi
Application granted granted Critical
Publication of FI69776B publication Critical patent/FI69776B/fi

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336Multiple 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/14Extrusion 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
    • B29C48/147Extrusion 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
    • B29C48/1472Extrusion 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00Shaping characteristics in general
    • B29C2791/004Shaping under special conditions
    • B29C2791/007Using fluid under pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0018Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037Other properties
    • B29K2995/0072Roughness, e.g. anti-slip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/003Tubular articles having irregular or rough surfaces

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)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
FI793258A 1978-11-01 1979-10-19 Saett att framstaella plastfolie FI69776B (fi)

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 1978-11-01

Publications (2)

Publication Number Publication Date
FI793258A7 FI793258A7 (fi) 1980-05-02
FI69776B true FI69776B (fi) 1985-12-31

Family

ID=20336236

Family Applications (1)

Application Number Title Priority Date Filing Date
FI793258A FI69776B (fi) 1978-11-01 1979-10-19 Saett att framstaella plastfolie

Country Status (8)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095849B1 (de) * 1982-05-20 1987-09-09 Stiksack STS S.A. Kunststoffilm und davon hergestellte Beutel und Säcke
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
EP1015229B9 (de) * 1997-02-05 2007-02-21 Jozsef Mandzsu, Sr. Verfahren zur verhinderung von verschiebungen zwischen verpackungsfolien
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
GR20090100422A (el) * 2009-07-28 2011-02-18 Γεωργιος Κωνσταντινου Λαγουδερης Θερμοπλαστικο φιλμ με ευκαμπτες ενισχυσεις, μηχανημα παραγωγης θερμοπλαστικου φιλμ με ευκαμπτες ενισχυσεις και μεθοδος παραγωγης αυτου

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

Also Published As

Publication number Publication date
GB2043527A (en) 1980-10-08
DE2953283C1 (de) 1985-02-28
AT368439B (de) 1982-10-11
SE414604B (sv) 1980-08-11
SE7811311L (sv) 1980-05-02
DE2953283A1 (en) 1980-12-18
ATA903979A (de) 1982-02-15
CH652645A5 (de) 1985-11-29
CA1131868A (en) 1982-09-21
WO1980000936A1 (en) 1980-05-15
FI793258A7 (fi) 1980-05-02
GB2043527B (en) 1982-10-06

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Owner name: AKTIEBOLAGET CELLOPLAST