FR2168275A1 - Reinforced flexible pipe - with wall formed of soft synthetic resin and reinforcing helical rigid resin core - Google Patents
Reinforced flexible pipe - with wall formed of soft synthetic resin and reinforcing helical rigid resin coreInfo
- Publication number
- FR2168275A1 FR2168275A1 FR7223836A FR7223836A FR2168275A1 FR 2168275 A1 FR2168275 A1 FR 2168275A1 FR 7223836 A FR7223836 A FR 7223836A FR 7223836 A FR7223836 A FR 7223836A FR 2168275 A1 FR2168275 A1 FR 2168275A1
- Authority
- FR
- France
- Prior art keywords
- flexible pipe
- synthetic resin
- wall
- soft synthetic
- wall formed
- Prior art date
- 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.)
- Granted
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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/74—Winding and joining, e.g. winding spirally helically using a forming surface inthe shape of an endless belt which is recycled after the forming operation
-
- 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
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
-
- 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
- F16L11/112—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements embedded in the wall
-
- 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
- F16L11/24—Hoses, i.e. flexible pipes wound from strips or bands
-
- 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
- B29L2023/18—Pleated or corrugated hoses
-
- 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
- B29L2023/18—Pleated or corrugated hoses
- B29L2023/186—Pleated or corrugated hoses having a smooth internal wall
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47006205A JPS5136911B2 (enrdf_load_stackoverflow) | 1972-01-17 | 1972-01-17 | |
JP47006204A JPS4876113A (enrdf_load_stackoverflow) | 1972-01-17 | 1972-01-17 | |
JP943472A JPS5250226B2 (enrdf_load_stackoverflow) | 1972-01-27 | 1972-01-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2168275A1 true FR2168275A1 (en) | 1973-08-31 |
FR2168275B1 FR2168275B1 (enrdf_load_stackoverflow) | 1978-09-01 |
Family
ID=27277058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7223836A Granted FR2168275A1 (en) | 1972-01-17 | 1972-06-30 | Reinforced flexible pipe - with wall formed of soft synthetic resin and reinforcing helical rigid resin core |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE782860A (enrdf_load_stackoverflow) |
CA (1) | CA970297A (enrdf_load_stackoverflow) |
DE (1) | DE2227307A1 (enrdf_load_stackoverflow) |
FR (1) | FR2168275A1 (enrdf_load_stackoverflow) |
IT (1) | IT955943B (enrdf_load_stackoverflow) |
NL (1) | NL7208544A (enrdf_load_stackoverflow) |
-
1972
- 1972-04-24 CA CA140,398A patent/CA970297A/en not_active Expired
- 1972-04-28 BE BE782860A patent/BE782860A/xx not_active IP Right Cessation
- 1972-05-26 IT IT2496172A patent/IT955943B/it active
- 1972-06-05 DE DE19722227307 patent/DE2227307A1/de active Pending
- 1972-06-22 NL NL7208544A patent/NL7208544A/xx unknown
- 1972-06-30 FR FR7223836A patent/FR2168275A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CA970297A (en) | 1975-07-01 |
NL7208544A (enrdf_load_stackoverflow) | 1973-07-19 |
FR2168275B1 (enrdf_load_stackoverflow) | 1978-09-01 |
IT955943B (it) | 1973-09-29 |
AU4161272A (en) | 1973-10-25 |
BE782860A (fr) | 1972-09-01 |
DE2227307A1 (de) | 1973-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |