FI60990C - Foerfarande och anordning foer framstaellning av dubbelvaeggiga konstaemnesroer med ring- eller skruvformigt raefflad yttervaegg - Google Patents
Foerfarande och anordning foer framstaellning av dubbelvaeggiga konstaemnesroer med ring- eller skruvformigt raefflad yttervaegg Download PDFInfo
- Publication number
- FI60990C FI60990C FI750830A FI750830A FI60990C FI 60990 C FI60990 C FI 60990C FI 750830 A FI750830 A FI 750830A FI 750830 A FI750830 A FI 750830A FI 60990 C FI60990 C FI 60990C
- Authority
- FI
- Finland
- Prior art keywords
- tubes
- air
- pressure
- temperature
- inner tube
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- 238000010409 ironing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2413879 | 1974-03-22 | ||
| 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 |
| DE2413878 | 1974-03-22 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI750830A7 FI750830A7 (enrdf_load_stackoverflow) | 1975-09-23 |
| FI60990B FI60990B (fi) | 1982-01-29 |
| FI60990C true FI60990C (fi) | 1982-05-10 |
Family
ID=25766857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI750830A FI60990C (fi) | 1974-03-22 | 1975-03-20 | Foerfarande och anordning foer framstaellning av dubbelvaeggiga konstaemnesroer med ring- eller skruvformigt raefflad yttervaegg |
Country Status (9)
| Country | Link |
|---|---|
| AR (1) | AR207352A1 (enrdf_load_stackoverflow) |
| BG (1) | BG27885A3 (enrdf_load_stackoverflow) |
| BR (1) | BR7501741A (enrdf_load_stackoverflow) |
| EG (1) | EG11746A (enrdf_load_stackoverflow) |
| FI (1) | FI60990C (enrdf_load_stackoverflow) |
| IL (1) | IL46892A (enrdf_load_stackoverflow) |
| IT (1) | IT1034462B (enrdf_load_stackoverflow) |
| PL (1) | PL100947B1 (enrdf_load_stackoverflow) |
| YU (1) | YU67975A (enrdf_load_stackoverflow) |
-
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 PL PL17893375A patent/PL100947B1/pl unknown
- 1975-03-20 FI FI750830A patent/FI60990C/fi not_active IP Right Cessation
- 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 |
|---|---|
| YU67975A (en) | 1982-02-28 |
| FI60990B (fi) | 1982-01-29 |
| BG27885A3 (en) | 1980-01-15 |
| IT1034462B (it) | 1979-09-10 |
| FI750830A7 (enrdf_load_stackoverflow) | 1975-09-23 |
| IL46892A (en) | 1978-07-31 |
| IL46892A0 (en) | 1975-05-22 |
| AR207352A1 (es) | 1976-09-30 |
| EG11746A (en) | 1978-12-31 |
| BR7501741A (pt) | 1975-12-23 |
| PL100947B1 (pl) | 1978-11-30 |
| AU7943675A (en) | 1976-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: HEGLER, WILHELM |