JPS5546296B2 - - Google Patents

Info

Publication number
JPS5546296B2
JPS5546296B2 JP9538275A JP9538275A JPS5546296B2 JP S5546296 B2 JPS5546296 B2 JP S5546296B2 JP 9538275 A JP9538275 A JP 9538275A JP 9538275 A JP9538275 A JP 9538275A JP S5546296 B2 JPS5546296 B2 JP S5546296B2
Authority
JP
Japan
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.)
Expired
Application number
JP9538275A
Other languages
Japanese (ja)
Other versions
JPS5219762A (en
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 filed Critical
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 JPS5219762A (en) 1977-02-15
JPS5546296B2 true 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)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523856Y2 (en) * 1975-10-09 1980-06-07
JPS5429329Y2 (en) * 1976-02-18 1979-09-18
US4204819A (en) * 1978-03-06 1980-05-27 Idemitsu Petrochemical Co. Ltd. Shaping apparatus for tubular film
DE2811254C2 (en) * 1978-03-15 1987-01-02 Idemitsu Petrochemical Co., Ltd., Tokio/Tokyo Device for forming synthetic polyolefin resins
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
DE3676393D1 (en) * 1985-08-12 1991-02-07 Mitsui Petrochemical Ind BLOW FILM AND METHOD AND DEVICE FOR PRODUCING THE SAME.
CN114013016B (en) * 2021-12-03 2024-10-01 锐励生物科技(杭州)有限公司 Density-reducing biological full-degradation film extrusion molding machine

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

Also Published As

Publication number Publication date
HK42879A (en) 1979-07-06
MY7900167A (en) 1979-12-31
GB1515968A (en) 1978-06-28
DE2631631A1 (en) 1977-02-10
JPS5219762A (en) 1977-02-15
ZA764207B (en) 1977-08-31

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