IT1089321B - EQUIPMENT TO FORM A TUBULAR FILM OF THERMOPLASTIC RESIN - Google Patents

EQUIPMENT TO FORM A TUBULAR FILM OF THERMOPLASTIC RESIN

Info

Publication number
IT1089321B
IT1089321B IT31508/77A IT3150877A IT1089321B IT 1089321 B IT1089321 B IT 1089321B IT 31508/77 A IT31508/77 A IT 31508/77A IT 3150877 A IT3150877 A IT 3150877A IT 1089321 B IT1089321 B IT 1089321B
Authority
IT
Italy
Prior art keywords
equipment
thermoplastic resin
tubular film
tubular
film
Prior art date
Application number
IT31508/77A
Other languages
Italian (it)
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of IT1089321B publication Critical patent/IT1089321B/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
    • B29C48/902—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 internally
    • 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
    • B29C48/25—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
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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
    • B29C48/90—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

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)
IT31508/77A 1977-02-09 1977-12-30 EQUIPMENT TO FORM A TUBULAR FILM OF THERMOPLASTIC RESIN IT1089321B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76709777A 1977-02-09 1977-02-09

Publications (1)

Publication Number Publication Date
IT1089321B true IT1089321B (en) 1985-06-18

Family

ID=25078470

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31508/77A IT1089321B (en) 1977-02-09 1977-12-30 EQUIPMENT TO FORM A TUBULAR FILM OF THERMOPLASTIC RESIN

Country Status (10)

Country Link
JP (1) JPS53102965A (en)
AU (1) AU509794B2 (en)
CA (1) CA1097862A (en)
CH (1) CH627401A5 (en)
DE (1) DE2801406A1 (en)
ES (1) ES465679A1 (en)
FR (1) FR2380115A1 (en)
GB (1) GB1546048A (en)
IT (1) IT1089321B (en)
NL (1) NL185710C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5881128A (en) * 1981-11-09 1983-05-16 Mitsui Petrochem Ind Ltd Manufacture of inflation film and apparatus therefor
JPS59146817A (en) * 1983-02-10 1984-08-22 Tomy Kikai Kogyo Kk Air ring for molding inflation film
DE3323817A1 (en) * 1983-07-01 1985-01-10 Windmöller & Hölscher, 4540 Lengerich DEVICE FOR SUPPORTING AND CALIBRATING FILM TUBES MADE OF THERMOPLASTIC PLASTIC
GB8420761D0 (en) * 1984-08-15 1984-09-19 Ici Plc Controlling dynamic instability
CA2051577A1 (en) * 1990-10-31 1992-05-01 Norwin C. Derby Variable diameter hollow extruded articles and method of manufacture
CN103358542B (en) * 2013-06-19 2015-12-09 江阴升辉包装材料有限公司 Water ring syndeton in a kind of plastic inflation film manufacturing machine
CN117656422A (en) * 2023-11-24 2024-03-08 盐城烨恒汽车配件有限公司 Multi-layer co-extrusion blow molding machine head device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568252A (en) * 1967-03-15 1971-03-09 Mitsubishi Petrochemical Co Annular cooling device for manufacture of tubular film
CA922063A (en) * 1969-03-20 1973-03-06 Leco Industries Limited Extrusion process and apparatus
US3888609A (en) * 1970-10-12 1975-06-10 Leco Industries Ltd Apparatus for producing films in accordance with the blown tube process
US3867083A (en) * 1973-06-04 1975-02-18 Mobil Oil Corp Shape imposition apparatus for the extrusion of tubular thermoplastic film
DE2555848A1 (en) * 1975-12-11 1977-06-23 Windmoeller & Hoelscher COOLING DEVICE FOR PLASTIC TUBE FILMS WITH AIR COOLING MADE WITH A FILM BLOW HEAD
US4118453A (en) * 1976-08-30 1978-10-03 Mobil Oil Corporation Method and apparatus for the extrusion of tubular thermoplastic film

Also Published As

Publication number Publication date
AU509794B2 (en) 1980-05-22
NL185710B (en) 1990-02-01
ES465679A1 (en) 1978-10-01
CA1097862A (en) 1981-03-24
JPS6134974B2 (en) 1986-08-11
FR2380115A1 (en) 1978-09-08
JPS53102965A (en) 1978-09-07
AU3080377A (en) 1979-05-31
FR2380115B1 (en) 1982-12-17
NL7713179A (en) 1978-08-11
DE2801406A1 (en) 1978-08-10
NL185710C (en) 1990-07-02
CH627401A5 (en) 1982-01-15
GB1546048A (en) 1979-05-16

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