JPS5619727A - Method and device for forming plastic film - Google Patents

Method and device for forming plastic film

Info

Publication number
JPS5619727A
JPS5619727A JP9487279A JP9487279A JPS5619727A JP S5619727 A JPS5619727 A JP S5619727A JP 9487279 A JP9487279 A JP 9487279A JP 9487279 A JP9487279 A JP 9487279A JP S5619727 A JPS5619727 A JP S5619727A
Authority
JP
Japan
Prior art keywords
cooling air
bubble
ringlike
film
die
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
JP9487279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6227983B2 (enrdf_load_stackoverflow
Inventor
Keijiro Sekiguchi
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.)
PURAKOO KK
Placo Co Ltd
Original Assignee
PURAKOO KK
Placo 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 PURAKOO KK, Placo Co Ltd filed Critical PURAKOO KK
Priority to JP9487279A priority Critical patent/JPS5619727A/ja
Publication of JPS5619727A publication Critical patent/JPS5619727A/ja
Publication of JPS6227983B2 publication Critical patent/JPS6227983B2/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
    • B29C48/885—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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

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)
JP9487279A 1979-07-27 1979-07-27 Method and device for forming plastic film Granted JPS5619727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9487279A JPS5619727A (en) 1979-07-27 1979-07-27 Method and device for forming plastic film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9487279A JPS5619727A (en) 1979-07-27 1979-07-27 Method and device for forming plastic film

Publications (2)

Publication Number Publication Date
JPS5619727A true JPS5619727A (en) 1981-02-24
JPS6227983B2 JPS6227983B2 (enrdf_load_stackoverflow) 1987-06-17

Family

ID=14122134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9487279A Granted JPS5619727A (en) 1979-07-27 1979-07-27 Method and device for forming plastic film

Country Status (1)

Country Link
JP (1) JPS5619727A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5915518U (ja) * 1982-07-21 1984-01-30 日本ユニカ−株式会社 インフレ−シヨンフイルム用冷却装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150575A (en) * 1975-06-20 1976-12-24 Mitsubishi Chem Ind Device for forming inflation film
JPS53137261A (en) * 1977-05-06 1978-11-30 Japan Steel Works Ltd Air ring in installation for making inflation film from thermoplastic resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51150575A (en) * 1975-06-20 1976-12-24 Mitsubishi Chem Ind Device for forming inflation film
JPS53137261A (en) * 1977-05-06 1978-11-30 Japan Steel Works Ltd Air ring in installation for making inflation film from thermoplastic resin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5915518U (ja) * 1982-07-21 1984-01-30 日本ユニカ−株式会社 インフレ−シヨンフイルム用冷却装置

Also Published As

Publication number Publication date
JPS6227983B2 (enrdf_load_stackoverflow) 1987-06-17

Similar Documents

Publication Publication Date Title
GB1351481A (en) Spraying devices
JPS6464655A (en) Liquid-permeable film of thermoplastic resin
JPS6442210A (en) Method and device for manufacturing tube with fin consisting of synthetic material
GB864823A (en) Method and apparatus for making continuous and seamless tubing from thermoplastic material
JPS5619727A (en) Method and device for forming plastic film
GB1159327A (en) Method of Heating Electroformed Molds
JPS5656830A (en) Blow molding of plastic hollow body
JPS56113433A (en) Molding method for blow-molding product and device thereof
GB1328872A (en) Method of forming a thermoplastic article
JPS56105931A (en) Manufacture of intrabilayer hollow film and its device
FR2415607A1 (fr) Procede de moulage d'elements optiques en verre tels que les glaces des projecteurs d'automobiles ou analogues
JPS57195625A (en) Film bubble guide in inflation film-stretching apparatus
JPS55105532A (en) Molding method for thermoplastic resin film
JPS5761710A (en) Melt spinning apparatus
JPS56139273A (en) Cooling method of mold for electro-slag melting method and its apparatus
JPS5532647A (en) Method for extrusion molding of oil-containing high molecular material
JPS5539346A (en) Production for heat-shrinking resin tube having kerf on its inside
JPS5624113A (en) Molding method for plastic hollow body
JPS5240384A (en) Method of detecting pressure of high viscosity fluid
JPS5626733A (en) Manufacture of high accuracy quartz pipe
JPS55126119A (en) Bearing device
JPS5561437A (en) Manufacturing method for thermoplastic resin foamed pipe
JPS5750245A (en) Production of hollow core
KR880008845A (ko) 디이프드로오잉(deep drawing)용 다공정금형을 단일공정화한 병마개의 성형장치
JPS564324A (en) Bulging method