CA2155396C - Appareil de moulage par injection bifluide et methode connexe - Google Patents
Appareil de moulage par injection bifluide et methode connexe Download PDFInfo
- Publication number
- CA2155396C CA2155396C CA002155396A CA2155396A CA2155396C CA 2155396 C CA2155396 C CA 2155396C CA 002155396 A CA002155396 A CA 002155396A CA 2155396 A CA2155396 A CA 2155396A CA 2155396 C CA2155396 C CA 2155396C
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- thermoplastic
- valve member
- flow
- vapour
- 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 - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001746 injection moulding Methods 0.000 title claims abstract description 14
- 230000009977 dual effect Effects 0.000 title claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 43
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 17
- 239000007791 liquid phase Substances 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 39
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 32
- 229920001187 thermosetting polymer Polymers 0.000 claims description 26
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
- 239000001569 carbon dioxide Substances 0.000 claims description 16
- 238000013022 venting Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 239000012071 phase Substances 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 24
- 229920003023 plastic Polymers 0.000 abstract description 24
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- KPAMAAOTLJSEAR-UHFFFAOYSA-N [N].O=C=O Chemical compound [N].O=C=O KPAMAAOTLJSEAR-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/285,188 US5505891A (en) | 1992-07-29 | 1994-08-03 | Method of and apparatus for dual fluid injection molding |
| US08/285,188 | 1994-08-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2155396A1 CA2155396A1 (fr) | 1996-02-04 |
| CA2155396C true CA2155396C (fr) | 2005-11-15 |
Family
ID=29250376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002155396A Expired - Fee Related CA2155396C (fr) | 1994-08-03 | 1995-08-03 | Appareil de moulage par injection bifluide et methode connexe |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2155396C (fr) |
-
1995
- 1995-08-03 CA CA002155396A patent/CA2155396C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2155396A1 (fr) | 1996-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20130805 |