SE353260B - - Google Patents

Info

Publication number
SE353260B
SE353260B SE13957/69A SE1395769A SE353260B SE 353260 B SE353260 B SE 353260B SE 13957/69 A SE13957/69 A SE 13957/69A SE 1395769 A SE1395769 A SE 1395769A SE 353260 B SE353260 B SE 353260B
Authority
SE
Sweden
Application number
SE13957/69A
Inventor
Kralingen P Van
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of SE353260B publication Critical patent/SE353260B/xx

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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular 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
    • B29C48/07—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
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular 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
    • B29C48/001—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
    • 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
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
SE13957/69A 1968-12-31 1969-10-10 SE353260B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB61899/68A GB1282283A (en) 1968-12-31 1968-12-31 The manufacture of films from an organic thermoplastic polymer

Publications (1)

Publication Number Publication Date
SE353260B true SE353260B (de) 1973-01-29

Family

ID=10487611

Family Applications (1)

Application Number Title Priority Date Filing Date
SE13957/69A SE353260B (de) 1968-12-31 1969-10-10

Country Status (8)

Country Link
US (1) US3700763A (de)
BE (1) BE740979A (de)
CA (1) CA940680A (de)
CH (1) CH497973A (de)
DE (1) DE1956465A1 (de)
GB (1) GB1282283A (de)
NL (1) NL6916053A (de)
SE (1) SE353260B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784347A (en) * 1970-02-05 1974-01-08 Phillips Petroleum Co Blown film tube collapsing
US3852386A (en) * 1970-12-21 1974-12-03 Dow Chemical Co Manufacture of film having formed fastener means therein
GB1533306A (en) * 1976-08-13 1978-11-22 Ici Ltd Cooling thermoplastic tubes
ATE26082T1 (de) * 1983-02-04 1987-04-15 Unilever Nv Verfahren zum herstellen einer weichkunststoffolie.
US5778598A (en) * 1992-10-27 1998-07-14 U.S. Polymers, Inc. Shutter door assembly
US5342187A (en) * 1992-10-27 1994-08-30 U.S. Polymers, Inc. Extrusion system having after/former means for reshaping tube of extrudant
ES2758777T3 (es) * 2016-03-21 2020-05-06 Collin Lab & Pilot Solutions Gmbh Dispositivo y procedimiento para el enfriado rápido de extruidos
EP3519188B1 (de) 2016-09-28 2024-05-08 Dow Global Technologies LLC Mehrschichtige folie und beutel damit

Also Published As

Publication number Publication date
GB1282283A (en) 1972-07-19
NL6916053A (de) 1970-07-02
CH497973A (de) 1970-10-31
BE740979A (de) 1970-04-29
US3700763A (en) 1972-10-24
DE1956465A1 (de) 1970-07-16
CA940680A (en) 1974-01-29

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