PL73972B2 - - Google Patents
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- Publication number
- PL73972B2 PL73972B2 PL15073371A PL15073371A PL73972B2 PL 73972 B2 PL73972 B2 PL 73972B2 PL 15073371 A PL15073371 A PL 15073371A PL 15073371 A PL15073371 A PL 15073371A PL 73972 B2 PL73972 B2 PL 73972B2
- Authority
- PL
- Poland
- Prior art keywords
- mold
- plastic
- during
- volume
- sockets
- Prior art date
Links
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000005187 foaming Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Claims (1)
1. Zastrzezenia patentowe Urzadzenie do wytwarzania z tworzyw sztucznych ksztaltek spienionych o monolitycznej warstwie po¬ wierzchniowej, polegajacego na wtryskiwaniu two¬ rzywa do formy z gniazdem (gniazdami) o zmien¬ nej objetosci uzyskiwanej przez przesuwanie rucho¬ mych elementów formy, przy czym w momencie rozpoczynania wtrysku objetosc ta jest zmniejszo¬ na ponizej objetosci w stanie nie spienionym two¬ rzywa potrzebnego do wytworzenia ksztaltki, ule¬ gajac dwukrotnie wymuszonemu powiekszaniu: podczas napelniania formy i nastepnie, po czescio¬ wym zakrzepnieciu tworzywa — podczas spieniania sie tworzywa w gniezdzie formy, znamienne tym, ze ruchome elementy formy (2) sa sprzezone z hy¬ draulicznym ukladem (3) zamykania formy wtrys¬ karki i z systemem regulacyjnym, umozliwiajacym zmiany pozycji ukladu i wywieranej przez niego na forme sily podczas napelniania formy tworzy¬ wem i krzepniecia tworzywa w gniazdach (gniez¬ dzie) formy. 15 20 25 30 35 40KI. 39a3,27./00 73972 MKP B29d 27/00 PL PL
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15073371A PL73972B2 (pl) | 1971-09-27 | 1971-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15073371A PL73972B2 (pl) | 1971-09-27 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL73972B2 true PL73972B2 (pl) | 1974-10-31 |
Family
ID=19955750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15073371A PL73972B2 (pl) | 1971-09-27 | 1971-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL73972B2 (pl) |
-
1971
- 1971-09-27 PL PL15073371A patent/PL73972B2/pl unknown
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