FR2275718B1 - - Google Patents
Info
- Publication number
- FR2275718B1 FR2275718B1 FR7517141A FR7517141A FR2275718B1 FR 2275718 B1 FR2275718 B1 FR 2275718B1 FR 7517141 A FR7517141 A FR 7517141A FR 7517141 A FR7517141 A FR 7517141A FR 2275718 B1 FR2275718 B1 FR 2275718B1
- Authority
- FR
- France
- 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
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
- B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
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- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/118—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having arrangements for particular purposes, e.g. electrically conducting
-
- 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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0045—Perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/003—Tubular articles having irregular or rough surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2455574A GB1471692A (en) | 1974-06-03 | 1974-06-03 | Drainage pipes and a method and apparatus for manufacture of such pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2275718A1 FR2275718A1 (fr) | 1976-01-16 |
FR2275718B1 true FR2275718B1 (de) | 1981-08-21 |
Family
ID=10213473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7517141A Granted FR2275718A1 (fr) | 1974-06-03 | 1975-06-02 | Tuyau de drainage en matiere plastique a paroi ondulee ou en soufflet et appareil pour sa fabrication |
Country Status (3)
Country | Link |
---|---|
FI (1) | FI751625A (de) |
FR (1) | FR2275718A1 (de) |
GB (1) | GB1471692A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1083765A (en) * | 1976-12-01 | 1980-08-19 | Gerd P. H. Lupke | Apparatus for producing thermoplastic tubing |
DE10252573A1 (de) * | 2002-11-12 | 2004-05-27 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG | Verbundrohr |
EP2106897B1 (de) | 2008-04-04 | 2012-05-16 | Wavin B.V. | Kunststoffrohr mit Profilschicht und Verfahren zur dessen Herstellung |
EP2270378A1 (de) | 2009-07-02 | 2011-01-05 | LANXESS Deutschland GmbH | Flexibles Rohr |
-
1974
- 1974-06-03 GB GB2455574A patent/GB1471692A/en not_active Expired
-
1975
- 1975-06-02 FR FR7517141A patent/FR2275718A1/fr active Granted
- 1975-06-02 FI FI751625A patent/FI751625A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1471692A (en) | 1977-04-27 |
FI751625A (de) | 1975-12-04 |
FR2275718A1 (fr) | 1976-01-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |