ZA764207B - Shaping method of tubular film - Google Patents

Shaping method of tubular film

Info

Publication number
ZA764207B
ZA764207B ZA764207A ZA764207A ZA764207B ZA 764207 B ZA764207 B ZA 764207B ZA 764207 A ZA764207 A ZA 764207A ZA 764207 A ZA764207 A ZA 764207A ZA 764207 B ZA764207 B ZA 764207B
Authority
ZA
South Africa
Prior art keywords
tubular film
shaping method
shaping
tubular
film
Prior art date
Application number
ZA764207A
Inventor
K Ushioda
Original Assignee
Idemitsu Petrochemical Co
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 filed Critical Idemitsu Petrochemical Co
Publication of ZA764207B publication Critical patent/ZA764207B/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
    • B29C48/908—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)
ZA764207A 1975-08-07 1976-07-15 Shaping method of tubular film ZA764207B (en)

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 (1)

Publication Number Publication Date
ZA764207B true ZA764207B (en) 1977-08-31

Family

ID=14136083

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA764207A ZA764207B (en) 1975-08-07 1976-07-15 Shaping method of 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 (7)

* 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
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552180B2 (en) * 1972-10-06 1980-01-18
JPS51102053A (en) * 1975-03-06 1976-09-09 Showa Yuka Kk INFUREESHONFUIRUMUNOSEIZOHOHO

Also Published As

Publication number Publication date
DE2631631A1 (en) 1977-02-10
HK42879A (en) 1979-07-06
MY7900167A (en) 1979-12-31
JPS5219762A (en) 1977-02-15
JPS5546296B2 (en) 1980-11-22
GB1515968A (en) 1978-06-28

Similar Documents

Publication Publication Date Title
JPS51130476A (en) Method of producing nonnslip plastic film
JPS5223552A (en) Method of manufacturing ironnclad tube
HK42879A (en) Method of shaping tubular film
JPS51146407A (en) Method of producing 22aminoonnbutanol
BG24801A3 (en) Method of obtaining l-pyroglutamyl-l-prolineamide
JPS5282964A (en) Method of producing tubular film
JPS528071A (en) Method of producing polyvinyl alcohol film
JPS5253807A (en) Method of producing 22aminoo11alcohol
JPS51138618A (en) Method of producing iminodiacetonitlile
JPS5247861A (en) Method of producing multiilayer tube
JPS52102376A (en) Method of producing tubular film
JPS51133167A (en) Method of producing seamless tube
JPS5247860A (en) Method of producing multiiwall tube
JPS5282963A (en) Method of producing tubular film
JPS5260850A (en) Method of producing tubular container
JPS5350272A (en) Method of producing tubular film
JPS5211158A (en) Method of continuous tube manufacture
JPS5250560A (en) Method of forming throughhhole
JPS52757A (en) Method of pipe manufacture
JPS5232009A (en) Method of molding inner tube
JPS51127162A (en) Method of producing polyybetaabenzyllll asparatate film
JPS51151247A (en) Method of manufacture of multiilayer tube
JPS5228556A (en) Method of forming plastic tubular film
JPS523655A (en) Method of producing nylon film
JPS5236616A (en) Method of producing 22chloroalkanal