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FR2126249A1 - - Google Patents

Info

Publication number
FR2126249A1
FR2126249A1 FR7205771A FR7205771A FR2126249A1 FR 2126249 A1 FR2126249 A1 FR 2126249A1 FR 7205771 A FR7205771 A FR 7205771A FR 7205771 A FR7205771 A FR 7205771A FR 2126249 A1 FR2126249 A1 FR 2126249A1
Authority
FR
France
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.)
Granted
Application number
FR7205771A
Other languages
French (fr)
Other versions
FR2126249B1 (en
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
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 Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Publication of FR2126249A1 publication Critical patent/FR2126249A1/fr
Application granted granted Critical
Publication of FR2126249B1 publication Critical patent/FR2126249B1/fr
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
    • B29C48/88—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
    • B29C48/09—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
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting

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)
FR7205771A 1971-02-22 1972-02-21 Expired FR2126249B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108360 DE2108360A1 (en) 1971-02-22 1971-02-22 Method and device for Her provide foils made of thermoplastic material

Publications (2)

Publication Number Publication Date
FR2126249A1 true FR2126249A1 (en) 1972-10-06
FR2126249B1 FR2126249B1 (en) 1976-06-11

Family

ID=5799467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7205771A Expired FR2126249B1 (en) 1971-02-22 1972-02-21

Country Status (4)

Country Link
DE (1) DE2108360A1 (en)
FR (1) FR2126249B1 (en)
GB (1) GB1371858A (en)
IT (1) IT948654B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375021A1 (en) * 1976-12-27 1978-07-21 Union Carbide Corp METHOD AND APPARATUS FOR MANUFACTURING FILMS OF THERMOPLASTIC MATERIALS
FR2391055A1 (en) * 1977-05-17 1978-12-15 Exxon Research Engineering Co PROCESS FOR THE PRODUCTION OF SHEETS OF BLOWN PLASTIC MATERIAL
EP0285368A3 (en) * 1987-03-31 1989-12-13 Robert J. Cole Bubble forming and stabilising device for use in a continuous extrusion process for making a blown film

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2829062C3 (en) * 1978-07-01 1981-08-13 Burghoff, Wilfried, 5609 Hückeswagen Device for the controlled exchange of blown and cooling air inside a blown film tube
WO2015067273A1 (en) * 2013-11-06 2015-05-14 Jesco Holding Aps A system and a method for providing ionised air to extrusion blow molded web materials, and a cutter for cutting a tube shaped extrusion blow molded web into two or more webs
CN118684037B (en) * 2024-08-27 2024-12-06 浙江超信机械科技有限公司 A film blowing machine with automatic winding function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265552A (en) * 1961-11-24 1966-08-09 Monsanto Co Method for coating of biaxially oriented film

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3265552A (en) * 1961-11-24 1966-08-09 Monsanto Co Method for coating of biaxially oriented film

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375021A1 (en) * 1976-12-27 1978-07-21 Union Carbide Corp METHOD AND APPARATUS FOR MANUFACTURING FILMS OF THERMOPLASTIC MATERIALS
FR2391055A1 (en) * 1977-05-17 1978-12-15 Exxon Research Engineering Co PROCESS FOR THE PRODUCTION OF SHEETS OF BLOWN PLASTIC MATERIAL
EP0285368A3 (en) * 1987-03-31 1989-12-13 Robert J. Cole Bubble forming and stabilising device for use in a continuous extrusion process for making a blown film

Also Published As

Publication number Publication date
GB1371858A (en) 1974-10-30
DE2108360A1 (en) 1972-09-07
IT948654B (en) 1973-06-11
FR2126249B1 (en) 1976-06-11

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Legal Events

Date Code Title Description
ST Notification of lapse