JPH0528654B2 - - Google Patents
Info
- Publication number
- JPH0528654B2 JPH0528654B2 JP62087149A JP8714987A JPH0528654B2 JP H0528654 B2 JPH0528654 B2 JP H0528654B2 JP 62087149 A JP62087149 A JP 62087149A JP 8714987 A JP8714987 A JP 8714987A JP H0528654 B2 JPH0528654 B2 JP H0528654B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- blown
- tubular film
- diameter
- slit
- 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
Links
- 238000000034 method Methods 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 5
- 239000004700 high-density polyethylene Substances 0.000 claims description 5
- 239000000112 cooling gas Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 description 17
- 238000001816 cooling Methods 0.000 description 16
- 101700004678 SLIT3 Proteins 0.000 description 4
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 1
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
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
- B29C48/901—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
-
- 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
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. 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
- B29C48/25—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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62087149A JPS63252720A (ja) | 1987-04-10 | 1987-04-10 | 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 |
---|---|---|---|
JP62087149A JPS63252720A (ja) | 1987-04-10 | 1987-04-10 | インフレ−シヨンフイルムの成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63252720A JPS63252720A (ja) | 1988-10-19 |
JPH0528654B2 true JPH0528654B2 (ko) | 1993-04-27 |
Family
ID=13906919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62087149A Granted JPS63252720A (ja) | 1987-04-10 | 1987-04-10 | インフレ−シヨンフイルムの成形方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63252720A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170110606A (ko) * | 2015-01-30 | 2017-10-11 | 다이오 페이퍼 코퍼레이션 | 흡수성 물품의 신축 구조, 및 이것을 이용한 팬티 타입 일회용 기저귀 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5720130A (en) * | 1980-07-11 | 1982-02-02 | Yaesu Keikougiyou Kk | Battery charger |
JPS57115320A (en) * | 1980-06-30 | 1982-07-17 | Union Carbide Corp | Method and apparatus for cooling film bubble of low strain curing polymer |
JPS59146817A (ja) * | 1983-02-10 | 1984-08-22 | Tomy Kikai Kogyo Kk | インフレ−シヨンフイルム成形用エアリング |
JPS6194739A (ja) * | 1984-10-15 | 1986-05-13 | Asahi Chem Ind Co Ltd | インフレ−シヨンフイルム用冷却リング |
-
1987
- 1987-04-10 JP JP62087149A patent/JPS63252720A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57115320A (en) * | 1980-06-30 | 1982-07-17 | Union Carbide Corp | Method and apparatus for cooling film bubble of low strain curing polymer |
JPS5720130A (en) * | 1980-07-11 | 1982-02-02 | Yaesu Keikougiyou Kk | Battery charger |
JPS59146817A (ja) * | 1983-02-10 | 1984-08-22 | Tomy Kikai Kogyo Kk | インフレ−シヨンフイルム成形用エアリング |
JPS6194739A (ja) * | 1984-10-15 | 1986-05-13 | Asahi Chem Ind Co Ltd | インフレ−シヨンフイルム用冷却リング |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170110606A (ko) * | 2015-01-30 | 2017-10-11 | 다이오 페이퍼 코퍼레이션 | 흡수성 물품의 신축 구조, 및 이것을 이용한 팬티 타입 일회용 기저귀 |
Also Published As
Publication number | Publication date |
---|---|
JPS63252720A (ja) | 1988-10-19 |
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