SE8303521L - Dubbelveggigt ror av plast - Google Patents
Dubbelveggigt ror av plastInfo
- Publication number
- SE8303521L SE8303521L SE8303521A SE8303521A SE8303521L SE 8303521 L SE8303521 L SE 8303521L SE 8303521 A SE8303521 A SE 8303521A SE 8303521 A SE8303521 A SE 8303521A SE 8303521 L SE8303521 L SE 8303521L
- Authority
- SE
- Sweden
- Prior art keywords
- plastic
- double wall
- wall rubber
- wall
- valleys
- Prior art date
Links
- 229920003023 plastic Polymers 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 title abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Road Paving Structures (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8303521A SE448772B (sv) | 1983-06-20 | 1983-06-20 | Dubbelveggigt ror av plast |
| NO842433A NO156175C (no) | 1983-06-20 | 1984-06-18 | Dobbeltvegget roer av plast. |
| FI842487A FI71400C (fi) | 1983-06-20 | 1984-06-20 | Dubbelvaeggigt roer av plast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8303521A SE448772B (sv) | 1983-06-20 | 1983-06-20 | Dubbelveggigt ror av plast |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8303521D0 SE8303521D0 (sv) | 1983-06-20 |
| SE8303521L true SE8303521L (sv) | 1984-12-21 |
| SE448772B SE448772B (sv) | 1987-03-16 |
Family
ID=20351685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8303521A SE448772B (sv) | 1983-06-20 | 1983-06-20 | Dubbelveggigt ror av plast |
Country Status (3)
| Country | Link |
|---|---|
| FI (1) | FI71400C (sv) |
| NO (1) | NO156175C (sv) |
| SE (1) | SE448772B (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8704210D0 (sv) * | 1987-10-29 | 1987-10-29 | Uponor Nv | Ror for infodring av tryckvattenledningar |
-
1983
- 1983-06-20 SE SE8303521A patent/SE448772B/sv not_active IP Right Cessation
-
1984
- 1984-06-18 NO NO842433A patent/NO156175C/no unknown
- 1984-06-20 FI FI842487A patent/FI71400C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO842433L (no) | 1984-12-21 |
| FI842487A0 (fi) | 1984-06-20 |
| NO156175C (no) | 1987-08-05 |
| FI71400B (fi) | 1986-09-09 |
| FI842487L (fi) | 1984-12-21 |
| FI71400C (fi) | 1986-12-19 |
| SE448772B (sv) | 1987-03-16 |
| SE8303521D0 (sv) | 1983-06-20 |
| NO156175B (no) | 1987-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8303521-2 Effective date: 19950110 Format of ref document f/p: F |
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| NUG | Patent has lapsed |
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