PL100947B1 - Sposob wytwarzania dwusciennych rur z tworzyw sztucznych o scianach zewnetrznych rowkowanych pierscieniowo lub srubowow i urzadzenie do wytwarzania dwusciennych rur - Google Patents
Sposob wytwarzania dwusciennych rur z tworzyw sztucznych o scianach zewnetrznych rowkowanych pierscieniowo lub srubowow i urzadzenie do wytwarzania dwusciennych rur Download PDFInfo
- Publication number
- PL100947B1 PL100947B1 PL17893375A PL17893375A PL100947B1 PL 100947 B1 PL100947 B1 PL 100947B1 PL 17893375 A PL17893375 A PL 17893375A PL 17893375 A PL17893375 A PL 17893375A PL 100947 B1 PL100947 B1 PL 100947B1
- Authority
- PL
- Poland
- Prior art keywords
- pressure
- air
- pipes
- walled
- mandrel
- Prior art date
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2413879A DE2413879C3 (de) | 1974-03-22 | 1974-03-22 | Vorrichtung zur Herstellung eines doppelwandigen Kunststoffrohrs aus einem gewellten Außenrohr und einem glatten Innenrohr |
| DE2413878A DE2413878C3 (de) | 1974-03-22 | 1974-03-22 | Verfahren zum Herstellen eines doppelwandigen Kunststoffrohrs mit gewellter Außen- und glatter Innenwand und Vorrichtung zur Durchführung dieses Verfahrens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL100947B1 true PL100947B1 (pl) | 1978-11-30 |
Family
ID=25766857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL17893375A PL100947B1 (pl) | 1974-03-22 | 1975-03-20 | Sposob wytwarzania dwusciennych rur z tworzyw sztucznych o scianach zewnetrznych rowkowanych pierscieniowo lub srubowow i urzadzenie do wytwarzania dwusciennych rur |
Country Status (9)
| Country | Link |
|---|---|
| AR (1) | AR207352A1 (Direct) |
| BG (1) | BG27885A3 (Direct) |
| BR (1) | BR7501741A (Direct) |
| EG (1) | EG11746A (Direct) |
| FI (1) | FI60990C (Direct) |
| IL (1) | IL46892A (Direct) |
| IT (1) | IT1034462B (Direct) |
| PL (1) | PL100947B1 (Direct) |
| YU (1) | YU67975A (Direct) |
-
1975
- 1975-01-01 AR AR25797175A patent/AR207352A1/es active
- 1975-03-14 BG BG029302A patent/BG27885A3/xx unknown
- 1975-03-19 YU YU67975A patent/YU67975A/xx unknown
- 1975-03-20 FI FI750830A patent/FI60990C/fi not_active IP Right Cessation
- 1975-03-20 PL PL17893375A patent/PL100947B1/pl unknown
- 1975-03-21 IL IL46892A patent/IL46892A/xx unknown
- 1975-03-21 IT IT2149475A patent/IT1034462B/it active
- 1975-03-22 EG EG14675A patent/EG11746A/xx active
- 1975-03-24 BR BR7501741A patent/BR7501741A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG27885A3 (en) | 1980-01-15 |
| IL46892A0 (en) | 1975-05-22 |
| AU7943675A (en) | 1976-09-30 |
| FI750830A7 (Direct) | 1975-09-23 |
| EG11746A (en) | 1978-12-31 |
| AR207352A1 (es) | 1976-09-30 |
| IL46892A (en) | 1978-07-31 |
| IT1034462B (it) | 1979-09-10 |
| BR7501741A (pt) | 1975-12-23 |
| YU67975A (en) | 1982-02-28 |
| FI60990B (fi) | 1982-01-29 |
| FI60990C (fi) | 1982-05-10 |
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