JPS6117254B2 - - Google Patents
Info
- Publication number
- JPS6117254B2 JPS6117254B2 JP52067371A JP6737177A JPS6117254B2 JP S6117254 B2 JPS6117254 B2 JP S6117254B2 JP 52067371 A JP52067371 A JP 52067371A JP 6737177 A JP6737177 A JP 6737177A JP S6117254 B2 JPS6117254 B2 JP S6117254B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- thermoplastic material
- pressure
- transfer molding
- molding method
- 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
- 229920005989 resin Polymers 0.000 claims description 58
- 239000011347 resin Substances 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 31
- 238000012546 transfer Methods 0.000 claims description 19
- 239000012815 thermoplastic material Substances 0.000 claims description 18
- 238000001721 transfer moulding Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 7
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 239000002033 PVDF binder Substances 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229920006026 co-polymeric resin Polymers 0.000 claims description 3
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical group FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 claims description 2
- 229920011301 perfluoro alkoxyl alkane Polymers 0.000 claims 3
- 238000003825 pressing Methods 0.000 claims 2
- 230000005484 gravity Effects 0.000 claims 1
- 229920013653 perfluoroalkoxyethylene Polymers 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 14
- 239000000155 melt Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000005979 thermal decomposition reaction 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
-
- 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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/694,779 US4313901A (en) | 1976-06-10 | 1976-06-10 | Isothermal transfer molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52151353A JPS52151353A (en) | 1977-12-15 |
| JPS6117254B2 true JPS6117254B2 (enExample) | 1986-05-07 |
Family
ID=24790245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6737177A Granted JPS52151353A (en) | 1976-06-10 | 1977-06-09 | Equal temperature transfer molding method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4313901A (enExample) |
| JP (1) | JPS52151353A (enExample) |
| DE (1) | DE2722842A1 (enExample) |
| FR (1) | FR2354189A1 (enExample) |
| GB (1) | GB1540173A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0684031B2 (ja) * | 1984-08-16 | 1994-10-26 | 三菱マテリアル株式会社 | 射出成形方法 |
| US5867900A (en) * | 1997-08-26 | 1999-02-09 | Ecowater Systems, Inc. | Plastic coated valve rotor and a method of manufacturing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1935794A (en) * | 1929-04-29 | 1933-11-21 | Inland Mfg Co | Method for molding plastic material |
| US2080783A (en) * | 1932-03-09 | 1937-05-18 | Celluloid Corp | Method of molding thermoplastic materials |
| US2287277A (en) * | 1939-07-21 | 1942-06-23 | Grotelite Company Inc | Method of forming and injecting thermoplastic materials |
| GB661166A (en) * | 1947-08-06 | 1951-11-21 | Polymer Corp | Improvements in or relating to a method of moulding plastic materials |
| US2617152A (en) * | 1949-12-31 | 1952-11-11 | Kellogg M W Co | Transfer molding of perfluorochlorocarbon plastic |
| US3776998A (en) * | 1972-02-10 | 1973-12-04 | Teledyne Mid America Corp | Method of molding rubber articles |
-
1976
- 1976-06-10 US US05/694,779 patent/US4313901A/en not_active Expired - Lifetime
-
1977
- 1977-05-20 DE DE19772722842 patent/DE2722842A1/de not_active Ceased
- 1977-05-31 GB GB23036/77A patent/GB1540173A/en not_active Expired
- 1977-06-09 JP JP6737177A patent/JPS52151353A/ja active Granted
- 1977-06-10 FR FR7717903A patent/FR2354189A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1540173A (en) | 1979-02-07 |
| JPS52151353A (en) | 1977-12-15 |
| FR2354189B3 (enExample) | 1980-04-04 |
| FR2354189A1 (fr) | 1978-01-06 |
| US4313901A (en) | 1982-02-02 |
| DE2722842A1 (de) | 1977-12-22 |
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