JPH0314057B2 - - Google Patents

Info

Publication number
JPH0314057B2
JPH0314057B2 JP58113486A JP11348683A JPH0314057B2 JP H0314057 B2 JPH0314057 B2 JP H0314057B2 JP 58113486 A JP58113486 A JP 58113486A JP 11348683 A JP11348683 A JP 11348683A JP H0314057 B2 JPH0314057 B2 JP H0314057B2
Authority
JP
Japan
Prior art keywords
film
stretching
inorganic filler
mandrel
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.)
Expired - Lifetime
Application number
JP58113486A
Other languages
English (en)
Japanese (ja)
Other versions
JPS606442A (ja
Inventor
Katsumi Okuyama
Hiroyasu Mizutani
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi 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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP58113486A priority Critical patent/JPS606442A/ja
Priority to US06/620,828 priority patent/US4585604A/en
Priority to GB08415472A priority patent/GB2143772B/en
Publication of JPS606442A publication Critical patent/JPS606442A/ja
Publication of JPH0314057B2 publication Critical patent/JPH0314057B2/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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/005—Producing membranes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/755—Membranes, diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP58113486A 1983-06-23 1983-06-23 通気性フイルムの製造方法 Granted JPS606442A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP58113486A JPS606442A (ja) 1983-06-23 1983-06-23 通気性フイルムの製造方法
US06/620,828 US4585604A (en) 1983-06-23 1984-06-15 Process for preparing an air-permeable film
GB08415472A GB2143772B (en) 1983-06-23 1984-06-18 Preparing air-permeable thermoplastic film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58113486A JPS606442A (ja) 1983-06-23 1983-06-23 通気性フイルムの製造方法

Publications (2)

Publication Number Publication Date
JPS606442A JPS606442A (ja) 1985-01-14
JPH0314057B2 true JPH0314057B2 (enrdf_load_stackoverflow) 1991-02-25

Family

ID=14613505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58113486A Granted JPS606442A (ja) 1983-06-23 1983-06-23 通気性フイルムの製造方法

Country Status (1)

Country Link
JP (1) JPS606442A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62129321A (ja) * 1985-11-29 1987-06-11 Tokuyama Soda Co Ltd 多孔性シ−トの製造方法

Also Published As

Publication number Publication date
JPS606442A (ja) 1985-01-14

Similar Documents

Publication Publication Date Title
JPH0415730B2 (enrdf_load_stackoverflow)
US4585604A (en) Process for preparing an air-permeable film
US4777073A (en) Breathable films prepared from melt embossed polyolefin/filler precursor films
US5439628A (en) Method for manufacturing polypropylene film and sheet
US4011128A (en) Apparatus for forming a cross-oriented film
JPH0416330B2 (enrdf_load_stackoverflow)
US5082616A (en) Film blowing process
JPH055253B2 (enrdf_load_stackoverflow)
JPH10292059A (ja) 通気性フィルムの製造方法
JPH0314056B2 (enrdf_load_stackoverflow)
JP2571612B2 (ja) フィルムの製造方法
JPH0314057B2 (enrdf_load_stackoverflow)
AU610874B2 (en) Porous resin film and process for producing the same
JPH0314060B2 (enrdf_load_stackoverflow)
JPS6030537B2 (ja) 容器等の製造方法
JPH04335043A (ja) 多孔質フィルムの製造方法
JPS6218435A (ja) 通気性フイルムの製造方法
JPH0314059B2 (enrdf_load_stackoverflow)
EP0865910A1 (en) Polymeric films
JPH0314058B2 (enrdf_load_stackoverflow)
JPH0314840A (ja) 弗化ビニリデン系ポリマー二軸冷延伸フィルムおよびその製造方法
JPS6141732B2 (enrdf_load_stackoverflow)
JPS6156087B2 (enrdf_load_stackoverflow)
JPH0289619A (ja) フィルムの製造方法
JPS5953851B2 (ja) 透明容器の製造方法