DE3514251A1 - Verfahren zur herstellung eines artikels aus einem kern und einer aussenschicht aus thermoplastischen kunststoffen - Google Patents
Verfahren zur herstellung eines artikels aus einem kern und einer aussenschicht aus thermoplastischen kunststoffenInfo
- Publication number
- DE3514251A1 DE3514251A1 DE19853514251 DE3514251A DE3514251A1 DE 3514251 A1 DE3514251 A1 DE 3514251A1 DE 19853514251 DE19853514251 DE 19853514251 DE 3514251 A DE3514251 A DE 3514251A DE 3514251 A1 DE3514251 A1 DE 3514251A1
- Authority
- DE
- Germany
- Prior art keywords
- injection
- outer layer
- thermoplastic material
- mold cavity
- core
- 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.)
- Withdrawn
Links
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 128
- 239000007924 injection Substances 0.000 claims abstract description 128
- 239000004033 plastic Substances 0.000 claims abstract description 46
- 229920003023 plastic Polymers 0.000 claims abstract description 46
- 238000001746 injection moulding Methods 0.000 claims abstract description 25
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 239000012815 thermoplastic material Substances 0.000 claims description 58
- 230000009969 flowable effect Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000011162 core material Substances 0.000 description 41
- 239000000463 material Substances 0.000 description 14
- 238000004891 communication Methods 0.000 description 7
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001955 cumulated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008646 thermal stress 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
- 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
- B29C45/1606—Multi-way nozzles specially adapted therefor using a rotatable valve
-
- 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
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0083—Reflectors
-
- 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
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8406212A FR2563147B1 (fr) | 1984-04-19 | 1984-04-19 | Procede et dispositif d'injection de pieces en matieres plastiques, et pieces obtenues par la mise en oeuvre du procede |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3514251A1 true DE3514251A1 (de) | 1985-10-31 |
Family
ID=9303315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853514251 Withdrawn DE3514251A1 (de) | 1984-04-19 | 1985-04-19 | Verfahren zur herstellung eines artikels aus einem kern und einer aussenschicht aus thermoplastischen kunststoffen |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS60236713A (es) |
| DE (1) | DE3514251A1 (es) |
| ES (1) | ES8700596A1 (es) |
| FR (1) | FR2563147B1 (es) |
| IT (1) | IT1184429B (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007052197B4 (de) | 2007-10-24 | 2019-09-12 | Automotive Lighting Reutlingen Gmbh | Spritzgießverfahren zur Herstellung einer Abdeckscheibe einer Fahrzeugleuchte, Spritzgießwerkzeug hierfür und Abdeckscheibe einer Fahrzeugleuchte |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701292A (en) * | 1984-09-13 | 1987-10-20 | Husky Injection Molding Systems Ltd. | Method for pressure molding objects of different resins |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324018A1 (de) * | 1982-07-05 | 1984-01-05 | Cibie Projecteurs, 93012 Bobigny | Formkoerper mit einer seele aus polyethylenterephthalat und verfahren zu dessen herstellung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2257408B1 (es) * | 1973-09-25 | 1978-01-13 | Billion Sa | |
| US4124308A (en) * | 1977-06-21 | 1978-11-07 | Beloit Corporation | Sequential co-injection unit adapted for structural foam molding |
| FR2432137A1 (fr) * | 1978-07-25 | 1980-02-22 | Seima | Procede pour la realisation de reflecteur optique et notamment pour projecteur d'automobile et machine pour sa mise en oeuvre |
-
1984
- 1984-04-19 FR FR8406212A patent/FR2563147B1/fr not_active Expired
-
1985
- 1985-04-12 IT IT20312/85A patent/IT1184429B/it active
- 1985-04-18 ES ES542372A patent/ES8700596A1/es not_active Expired
- 1985-04-19 DE DE19853514251 patent/DE3514251A1/de not_active Withdrawn
- 1985-04-19 JP JP60082708A patent/JPS60236713A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324018A1 (de) * | 1982-07-05 | 1984-01-05 | Cibie Projecteurs, 93012 Bobigny | Formkoerper mit einer seele aus polyethylenterephthalat und verfahren zu dessen herstellung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007052197B4 (de) | 2007-10-24 | 2019-09-12 | Automotive Lighting Reutlingen Gmbh | Spritzgießverfahren zur Herstellung einer Abdeckscheibe einer Fahrzeugleuchte, Spritzgießwerkzeug hierfür und Abdeckscheibe einer Fahrzeugleuchte |
Also Published As
| Publication number | Publication date |
|---|---|
| ES8700596A1 (es) | 1986-11-16 |
| FR2563147A1 (fr) | 1985-10-25 |
| ES542372A0 (es) | 1986-11-16 |
| IT1184429B (it) | 1987-10-28 |
| JPS60236713A (ja) | 1985-11-25 |
| IT8520312A0 (it) | 1985-04-12 |
| FR2563147B1 (fr) | 1986-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8130 | Withdrawal |