JPS5219762A - Method of forming tubular film - Google Patents

Method of forming tubular film

Info

Publication number
JPS5219762A
JPS5219762A JP50095382A JP9538275A JPS5219762A JP S5219762 A JPS5219762 A JP S5219762A JP 50095382 A JP50095382 A JP 50095382A JP 9538275 A JP9538275 A JP 9538275A JP S5219762 A JPS5219762 A JP S5219762A
Authority
JP
Japan
Prior art keywords
tubular film
forming tubular
forming
film
tubular
Prior art date
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
JP50095382A
Other languages
Japanese (ja)
Other versions
JPS5546296B2 (en
Inventor
Katsuyoshi Shioda
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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co 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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP50095382A priority Critical patent/JPS5219762A/en
Priority to DE19762631631 priority patent/DE2631631A1/en
Priority to ZA764207A priority patent/ZA764207B/en
Priority to GB32455/76A priority patent/GB1515968A/en
Publication of JPS5219762A publication Critical patent/JPS5219762A/en
Priority to HK428/79A priority patent/HK42879A/en
Priority to MY167/79A priority patent/MY7900167A/en
Publication of JPS5546296B2 publication Critical patent/JPS5546296B2/ja
Granted 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
    • B29C48/90—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
    • B29C48/908—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 characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/90—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
    • B29C48/25—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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP50095382A 1975-08-07 1975-08-07 Method of forming tubular film Granted JPS5219762A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP50095382A JPS5219762A (en) 1975-08-07 1975-08-07 Method of forming tubular film
DE19762631631 DE2631631A1 (en) 1975-08-07 1976-07-14 DEFORMING PROCESS FOR MANUFACTURING TUBULAR FILMS
ZA764207A ZA764207B (en) 1975-08-07 1976-07-15 Shaping method of tubular film
GB32455/76A GB1515968A (en) 1975-08-07 1976-08-04 Method of shaping tubular film
HK428/79A HK42879A (en) 1975-08-07 1979-06-28 Method of shaping tubular film
MY167/79A MY7900167A (en) 1975-08-07 1979-12-30 Method of shaping tubular film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50095382A JPS5219762A (en) 1975-08-07 1975-08-07 Method of forming tubular film

Publications (2)

Publication Number Publication Date
JPS5219762A true JPS5219762A (en) 1977-02-15
JPS5546296B2 JPS5546296B2 (en) 1980-11-22

Family

ID=14136083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50095382A Granted JPS5219762A (en) 1975-08-07 1975-08-07 Method of forming tubular film

Country Status (6)

Country Link
JP (1) JPS5219762A (en)
DE (1) DE2631631A1 (en)
GB (1) GB1515968A (en)
HK (1) HK42879A (en)
MY (1) MY7900167A (en)
ZA (1) ZA764207B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5251367U (en) * 1975-10-09 1977-04-13
JPS52110072U (en) * 1976-02-18 1977-08-22

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204819A (en) * 1978-03-06 1980-05-27 Idemitsu Petrochemical Co. Ltd. Shaping apparatus for tubular film
DE2811254A1 (en) * 1978-03-15 1979-09-27 Idemitsu Petrochemical Co Mfg. a tubular film of polyolefin - by shaping an extruded resin bubble
JPS5559930A (en) * 1978-10-31 1980-05-06 Idemitsu Petrochem Co Ltd Resin bubble stabilizing body
SE437490B (en) * 1982-10-18 1985-03-04 Unifos Kemi Ab PROCEDURES FOR CONTINUOUS FILM BLASTING OF LINER THERMOPLASTIC MATERIAL
EP0213807B1 (en) * 1985-08-12 1991-01-02 Mitsui Petrochemical Industries, Ltd. Inflation film and production method and apparatus thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961252A (en) * 1972-10-06 1974-06-13
JPS51102053A (en) * 1975-03-06 1976-09-09 Showa Yuka Kk INFUREESHONFUIRUMUNOSEIZOHOHO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4961252A (en) * 1972-10-06 1974-06-13
JPS51102053A (en) * 1975-03-06 1976-09-09 Showa Yuka Kk INFUREESHONFUIRUMUNOSEIZOHOHO

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5251367U (en) * 1975-10-09 1977-04-13
JPS5523856Y2 (en) * 1975-10-09 1980-06-07
JPS52110072U (en) * 1976-02-18 1977-08-22
JPS5429329Y2 (en) * 1976-02-18 1979-09-18

Also Published As

Publication number Publication date
MY7900167A (en) 1979-12-31
DE2631631A1 (en) 1977-02-10
HK42879A (en) 1979-07-06
GB1515968A (en) 1978-06-28
JPS5546296B2 (en) 1980-11-22
ZA764207B (en) 1977-08-31

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