JPH0359819B2 - - Google Patents
Info
- Publication number
- JPH0359819B2 JPH0359819B2 JP58118150A JP11815083A JPH0359819B2 JP H0359819 B2 JPH0359819 B2 JP H0359819B2 JP 58118150 A JP58118150 A JP 58118150A JP 11815083 A JP11815083 A JP 11815083A JP H0359819 B2 JPH0359819 B2 JP H0359819B2
- Authority
- JP
- Japan
- Prior art keywords
- parison
- pressure
- resin
- layer
- mold
- 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
- 239000006260 foam Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 description 51
- 239000011347 resin Substances 0.000 description 51
- 238000000465 moulding Methods 0.000 description 31
- 238000007664 blowing Methods 0.000 description 10
- 238000005187 foaming Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000004088 foaming agent Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 230000005070 ripening Effects 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004794 expanded polystyrene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
-
- 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
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58118150A JPS6011330A (ja) | 1983-07-01 | 1983-07-01 | 発泡層を有する中空成形品の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58118150A JPS6011330A (ja) | 1983-07-01 | 1983-07-01 | 発泡層を有する中空成形品の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6011330A JPS6011330A (ja) | 1985-01-21 |
JPH0359819B2 true JPH0359819B2 (ko) | 1991-09-11 |
Family
ID=14729321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58118150A Granted JPS6011330A (ja) | 1983-07-01 | 1983-07-01 | 発泡層を有する中空成形品の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6011330A (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3708006A1 (de) * | 1987-03-12 | 1988-09-22 | Kautex Maschinenbau Gmbh | Verfahren zum herstellen von hohlkoerpern aus thermoplastischem kunststoff mit einer mehrschichtigen wandung |
JP4257826B2 (ja) | 2002-09-30 | 2009-04-22 | 株式会社ジェイエスピー | ポリプロピレン系樹脂発泡成形体の製造方法 |
WO2015083447A1 (ja) * | 2013-12-03 | 2015-06-11 | 日産自動車株式会社 | 発泡成形体、空気調節装置用ダクト及び車載空気調節装置用ダクト |
-
1983
- 1983-07-01 JP JP58118150A patent/JPS6011330A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6011330A (ja) | 1985-01-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0615722A (ja) | 外皮内に発泡性コアを有する高分子材料物体の製造方法及びその方法に使用される装置 | |
JP2001322433A (ja) | 熱可塑性樹脂自動車内装用発泡成形体 | |
JP2860007B2 (ja) | 皮付き発泡体の成形方法 | |
JPS59145125A (ja) | スキン層を有する熱可塑性樹脂発泡体の製造方法 | |
JP2008195128A (ja) | 車両内装材用積層シート,車両用内装材,車両内装材用積層シートの製造方法及びその装置 | |
JPH0359819B2 (ko) | ||
JPS61177216A (ja) | プラスチツク発泡体の製造方法 | |
JPH06312449A (ja) | 内部発泡製品の成形法 | |
JP3189377B2 (ja) | 発泡合成樹脂成形品の成形方法 | |
JP2000280332A (ja) | 発泡ブロー成形方法 | |
KR920006419A (ko) | 열 가소성 수지 가교 발포체의 제조방법 및 장치 | |
JP2002079569A (ja) | 薄肉ブロー成形品およびその製造方法 | |
JP3681558B2 (ja) | ポリスチレン系樹脂発泡シート並びに発泡ポリスチレン系樹脂積層シート、該成形品、及び該製造方法 | |
JP2001138385A (ja) | 表皮付き複合発泡樹脂成形体の製造方法 | |
JPS6050130B2 (ja) | 積層シ−トの製造方法 | |
JP2000210969A (ja) | 発泡射出成形法及びその装置 | |
JPS6234533B2 (ko) | ||
JP2747681B2 (ja) | 皮付き発泡体の成形方法 | |
JPH01275027A (ja) | 断熱容器の製造方法 | |
JP3776346B2 (ja) | 二層発泡ブロー成形品の製造方法 | |
JP7299494B2 (ja) | 発泡成形体及びその製造方法 | |
JP2787127B2 (ja) | 皮付き発泡体の成形方法 | |
JPS634940A (ja) | オレフイン系樹脂発泡粒子の型内成形法 | |
KR100357653B1 (ko) | 열가소성수지의미세발포체를성형할수있는제조장치 | |
JPH10119078A (ja) | 発泡体の製造方法、樹脂組成物及び発泡体 |