JPH0144493B2 - - Google Patents
Info
- Publication number
- JPH0144493B2 JPH0144493B2 JP56112963A JP11296381A JPH0144493B2 JP H0144493 B2 JPH0144493 B2 JP H0144493B2 JP 56112963 A JP56112963 A JP 56112963A JP 11296381 A JP11296381 A JP 11296381A JP H0144493 B2 JPH0144493 B2 JP H0144493B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic material
- flow path
- layer
- tube member
- hopper
- 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
Links
- 239000004033 plastic Substances 0.000 claims description 66
- 229920003023 plastic Polymers 0.000 claims description 66
- 239000000463 material Substances 0.000 claims description 55
- 238000001125 extrusion Methods 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005992 thermoplastic resin Polymers 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
- B29C48/30—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
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56112963A JPS5814746A (ja) | 1981-07-21 | 1981-07-21 | プラスチツク成型品及びその製造装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56112963A JPS5814746A (ja) | 1981-07-21 | 1981-07-21 | プラスチツク成型品及びその製造装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5814746A JPS5814746A (ja) | 1983-01-27 |
| JPH0144493B2 true JPH0144493B2 (es) | 1989-09-28 |
Family
ID=14599916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56112963A Granted JPS5814746A (ja) | 1981-07-21 | 1981-07-21 | プラスチツク成型品及びその製造装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5814746A (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60168625A (ja) | 1984-02-13 | 1985-09-02 | Ekuseru Kk | 複合材質を備えた中空成形品の製造方法とその装置 |
| US6119731A (en) * | 1984-02-13 | 2000-09-19 | Excell Corporation | Hollow plastic product |
| JPH0767731B2 (ja) * | 1991-03-30 | 1995-07-26 | エクセル株式会社 | 中空成形品の製造方法 |
-
1981
- 1981-07-21 JP JP56112963A patent/JPS5814746A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5814746A (ja) | 1983-01-27 |
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