JPH0246375B2 - - Google Patents

Info

Publication number
JPH0246375B2
JPH0246375B2 JP56138320A JP13832081A JPH0246375B2 JP H0246375 B2 JPH0246375 B2 JP H0246375B2 JP 56138320 A JP56138320 A JP 56138320A JP 13832081 A JP13832081 A JP 13832081A JP H0246375 B2 JPH0246375 B2 JP H0246375B2
Authority
JP
Japan
Prior art keywords
film
cooling
jet
frost line
injection ring
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.)
Expired - Lifetime
Application number
JP56138320A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5839420A (ja
Inventor
Toshio Taka
Hideaki Toda
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP56138320A priority Critical patent/JPS5839420A/ja
Publication of JPS5839420A publication Critical patent/JPS5839420A/ja
Publication of JPH0246375B2 publication Critical patent/JPH0246375B2/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)
JP56138320A 1981-09-04 1981-09-04 インフレ−シヨン・フイルムの成形方法 Granted JPS5839420A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56138320A JPS5839420A (ja) 1981-09-04 1981-09-04 インフレ−シヨン・フイルムの成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56138320A JPS5839420A (ja) 1981-09-04 1981-09-04 インフレ−シヨン・フイルムの成形方法

Publications (2)

Publication Number Publication Date
JPS5839420A JPS5839420A (ja) 1983-03-08
JPH0246375B2 true JPH0246375B2 (enrdf_load_stackoverflow) 1990-10-15

Family

ID=15219136

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56138320A Granted JPS5839420A (ja) 1981-09-04 1981-09-04 インフレ−シヨン・フイルムの成形方法

Country Status (1)

Country Link
JP (1) JPS5839420A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203819B (zh) * 2013-04-17 2015-04-08 宁国市海天力工业发展有限公司 汽车制动气室橡胶隔膜循环成型装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146764A (en) * 1977-05-27 1978-12-20 Mitsui Petrochem Ind Ltd Film forming by inflation
JPS6026698B2 (ja) * 1980-05-30 1985-06-25 日本ユニカ−株式会社 プラスチツクフイルムの成形方法および装置

Also Published As

Publication number Publication date
JPS5839420A (ja) 1983-03-08

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