CH502177A - Method and device for the production of tubular films - Google Patents

Method and device for the production of tubular films

Info

Publication number
CH502177A
CH502177A CH2670A CH2670A CH502177A CH 502177 A CH502177 A CH 502177A CH 2670 A CH2670 A CH 2670A CH 2670 A CH2670 A CH 2670A CH 502177 A CH502177 A CH 502177A
Authority
CH
Switzerland
Prior art keywords
production
tubular films
films
tubular
Prior art date
Application number
CH2670A
Other languages
German (de)
Inventor
Melvin Reade Grahame
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of CH502177A publication Critical patent/CH502177A/en

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
    • B29C48/90—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
    • B29C48/901—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 of hollow bodies
    • B29C48/903—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 of hollow bodies externally
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
    • 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
    • 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
    • B29C48/25—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
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
CH2670A 1969-01-03 1970-01-05 Method and device for the production of tubular films CH502177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB479/69A GB1248171A (en) 1969-01-03 1969-01-03 The heat stabilisation of oriented thermoplastic films

Publications (1)

Publication Number Publication Date
CH502177A true CH502177A (en) 1971-01-31

Family

ID=9705077

Family Applications (1)

Application Number Title Priority Date Filing Date
CH2670A CH502177A (en) 1969-01-03 1970-01-05 Method and device for the production of tubular films

Country Status (18)

Country Link
AT (1) AT327530B (en)
BE (1) BE744056A (en)
CA (1) CA959212A (en)
CH (1) CH502177A (en)
DE (1) DE2000158C3 (en)
DK (1) DK136028B (en)
ES (1) ES375151A1 (en)
FI (1) FI52537C (en)
FR (1) FR2027740A1 (en)
GB (1) GB1248171A (en)
IE (1) IE33684B1 (en)
LU (1) LU60130A1 (en)
MY (1) MY7300019A (en)
NL (1) NL7000020A (en)
NO (1) NO136341C (en)
PL (1) PL80824B1 (en)
SE (1) SE355320B (en)
ZA (1) ZA698979B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911626B1 (en) * 1970-12-10 1974-03-18
EP0142948A3 (en) * 1983-10-24 1985-10-09 Teijin Limited Production of thin-walled cylindrical body of aromatic polyester
JPS60206621A (en) * 1984-03-31 1985-10-18 Kureha Chem Ind Co Ltd Vinylidene fluoride type resin film, manufacture thereof metallized film

Also Published As

Publication number Publication date
ES375151A1 (en) 1972-03-16
DE2000158A1 (en) 1970-08-27
FI52537B (en) 1977-06-30
DE2000158C3 (en) 1974-06-06
MY7300019A (en) 1973-12-31
DE2000158B2 (en) 1973-11-08
NL7000020A (en) 1970-07-07
ATA7570A (en) 1975-04-15
LU60130A1 (en) 1970-03-18
PL80824B1 (en) 1975-08-30
CA959212A (en) 1974-12-17
NO136341C (en) 1977-08-24
FI52537C (en) 1977-10-10
AT327530B (en) 1976-02-10
ZA698979B (en) 1971-07-28
NO136341B (en) 1977-05-16
DK136028C (en) 1978-01-09
FR2027740A1 (en) 1970-10-02
IE33684L (en) 1970-07-03
BE744056A (en) 1970-07-06
GB1248171A (en) 1971-09-29
IE33684B1 (en) 1974-09-18
DK136028B (en) 1977-08-01
SE355320B (en) 1973-04-16

Similar Documents

Publication Publication Date Title
CH453996A (en) Method and device for the production of filter bodies
CH505681A (en) Method and device for the production of foamed sheets
CH520558A (en) Method and device for the production of foils
AT311678B (en) Method and device for the production of foams
CH463092A (en) Process and device for the production of stretched tubular films
CH521400A (en) Process and device for the continuous production of polylactams
CH507170A (en) Method and device for the production of carbon bodies
CH497275A (en) Method and device for the production of plastic bodies composed of several parts
CH511574A (en) Method and device for the manufacture of tights
AT311667B (en) Method and device for the production of thermoplastic powders
AT323525B (en) METHOD AND DEVICE FOR MANUFACTURING TUBE-SHAPED BLANKS
CH530174A (en) Method and device for the production of tobacco foils
AT324257B (en) METHOD AND DEVICE FOR THE PRODUCTION OF ZIPS
CH516944A (en) Process and device for the continuous production of emulsions
CH497482A (en) Method and device for the production of polyamides
AT291455B (en) Method and device for the production of fiberglass bodies
CH509099A (en) Method and apparatus for the production of blocks
CH514930A (en) Kleinschütz and process for making same
CH486919A (en) Process and device for the production of powders
CH502177A (en) Method and device for the production of tubular films
CH499125A (en) Method and apparatus for making cartoon films
AT302783B (en) Process and device for the continuous production of radiators
AT320718B (en) Process for the production of cables and device for this
AT322831B (en) METHOD AND DEVICE FOR MANUFACTURING AN OPENED HOLLOW BODY
AT308670B (en) Method and device for the manufacture of tights

Legal Events

Date Code Title Description
PL Patent ceased