FR2159136A5 - Composite flexible polyamide tube - with core surrounded by sheath wrapped with stranded fibres - Google Patents
Composite flexible polyamide tube - with core surrounded by sheath wrapped with stranded fibresInfo
- Publication number
- FR2159136A5 FR2159136A5 FR7242290A FR7242290A FR2159136A5 FR 2159136 A5 FR2159136 A5 FR 2159136A5 FR 7242290 A FR7242290 A FR 7242290A FR 7242290 A FR7242290 A FR 7242290A FR 2159136 A5 FR2159136 A5 FR 2159136A5
- Authority
- FR
- France
- Prior art keywords
- stranded
- sheath
- core
- polyamide
- reinforcement
- 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.)
- Expired
Links
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
- 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
- F16L11/082—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 two layers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ropes Or Cables (AREA)
Abstract
The tube has a flexible polyamide core surrounded by a helical stranded polyamide rope reinforcement wound under tension so as to leave significant spaces between the spirals, the reinforcement being covered with a polyamide sheath which is bonded to the tubular core in the spaces between the windings. The stranded reinforcement is pref. not bonded to the core or to the sheath. A second layer of stranded polyamide reinforcement wound in a different direction to the first layer is an advantage. The core and the sheath may be of nylon-11, the stranded filaments being of a different type of nylon. The tube provides resistance to shock, abrasion, internal pressure and traction combined with good flexibility.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21083771A | 1971-12-22 | 1971-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2159136A5 true FR2159136A5 (en) | 1973-06-15 |
Family
ID=22784457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7242290A Expired FR2159136A5 (en) | 1971-12-22 | 1972-11-28 | Composite flexible polyamide tube - with core surrounded by sheath wrapped with stranded fibres |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA971489A (en) |
| FR (1) | FR2159136A5 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634597A1 (en) * | 1993-07-14 | 1995-01-18 | SOLVAY (Société Anonyme) | Pipe, having a high impermeability in relation to hydrocarbons |
-
1972
- 1972-11-23 CA CA157,323A patent/CA971489A/en not_active Expired
- 1972-11-28 FR FR7242290A patent/FR2159136A5/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634597A1 (en) * | 1993-07-14 | 1995-01-18 | SOLVAY (Société Anonyme) | Pipe, having a high impermeability in relation to hydrocarbons |
| BE1007269A3 (en) * | 1993-07-14 | 1995-05-09 | Solvay | Hose impermeability high vis-a-vis hydrocarbons. |
Also Published As
| Publication number | Publication date |
|---|---|
| CA971489A (en) | 1975-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |