JPH0521732B2 - - Google Patents
Info
- Publication number
- JPH0521732B2 JPH0521732B2 JP17176588A JP17176588A JPH0521732B2 JP H0521732 B2 JPH0521732 B2 JP H0521732B2 JP 17176588 A JP17176588 A JP 17176588A JP 17176588 A JP17176588 A JP 17176588A JP H0521732 B2 JPH0521732 B2 JP H0521732B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- layer resin
- flow path
- intermediate layer
- multilayer
- 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
- 239000010410 layer Substances 0.000 claims description 156
- 229920005989 resin Polymers 0.000 claims description 156
- 239000011347 resin Substances 0.000 claims description 156
- 239000007924 injection Substances 0.000 claims description 80
- 238000002347 injection Methods 0.000 claims description 80
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 239000012790 adhesive layer Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- -1 polypropylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 125000006839 xylylene group Chemical group 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000004321 preservation 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
- B29C45/1646—Injecting parison-like articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1603—Multi-way nozzles specially adapted therefor
- B29C45/1607—Multi-way nozzles specially adapted therefor having at least three different ways
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
- B29C2045/1656—Injecting the skin material through the central passage of the multiway nozzle
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17176588A JPH0222022A (ja) | 1988-07-12 | 1988-07-12 | 多層射出成形体並びに中空容器の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17176588A JPH0222022A (ja) | 1988-07-12 | 1988-07-12 | 多層射出成形体並びに中空容器の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0222022A JPH0222022A (ja) | 1990-01-24 |
| JPH0521732B2 true JPH0521732B2 (en]) | 1993-03-25 |
Family
ID=15929264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17176588A Granted JPH0222022A (ja) | 1988-07-12 | 1988-07-12 | 多層射出成形体並びに中空容器の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222022A (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6655945B1 (en) * | 1999-03-18 | 2003-12-02 | Mold Masters Limited | Apparatus and method for multi-layer injection molding |
| ES2708925T3 (es) | 2010-09-21 | 2019-04-12 | Mold Masters 2007 Ltd | Sistema de moldeo por inyección de canal de fusión caliente de coinyección |
| US9498911B2 (en) | 2010-09-21 | 2016-11-22 | Mold-Masters (2007) Limited | Coinjection hot runner injection molding system |
| US9073246B2 (en) | 2011-09-21 | 2015-07-07 | Mold-Masters (2007) Limited | Coinjection hot runner injection molding system |
-
1988
- 1988-07-12 JP JP17176588A patent/JPH0222022A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0222022A (ja) | 1990-01-24 |
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