FR2380487A1 - Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile grip - Google Patents
Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile gripInfo
- Publication number
- FR2380487A1 FR2380487A1 FR7703986A FR7703986A FR2380487A1 FR 2380487 A1 FR2380487 A1 FR 2380487A1 FR 7703986 A FR7703986 A FR 7703986A FR 7703986 A FR7703986 A FR 7703986A FR 2380487 A1 FR2380487 A1 FR 2380487A1
- Authority
- FR
- France
- Prior art keywords
- pref
- couplings
- sleeve
- flexibility
- telephone line
- 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title abstract 5
- 238000010168 coupling process Methods 0.000 title abstract 5
- 238000005859 coupling reaction Methods 0.000 title abstract 5
- 238000009434 installation Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
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
- F16L27/00—Adjustable joints; Joints allowing movement
- F16L27/10—Adjustable joints; Joints allowing movement comprising a flexible connection only
- F16L27/107—Adjustable joints; Joints allowing movement comprising a flexible connection only the ends of the pipe being interconnected by a flexible sleeve
-
- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Pipe couplings, comprising tubular sleeves of rubber reinforced with one or more layers of helically wound cords and for joining rigid or semi-rigid pipe of external dia. D, are characterised as follows: a length/dia. ratio of 0.5-2, a wall thickness of 0.006-0.09 D pref. 0.015-0.035 D, an axial compressibility of >=1.25 x 10-4 pref. >5 x 10-3 cm./kg., and a tensile strength >=20D, pref. >=50D kg. The cords are made of fibres having a modulus of >=4 x 107 kg./cm2 and are wound at an angle of 45-70 degrees, pref. 55-75 degrees to the sleeve axis. The matrix rubber should have a moduli of >=1.75 kg./cm2 at 100% elongation, >=3.5 kg./cm2 at 300% elongation, a tensile strength of >=20 kg./cm2 and a hardness of 15-90, pref. 15-70 Shore A. The internal layer of the sleeve should have a coefficient of friction of >=0.7, pref. >=0.8 with the pipe surface. The tear resistance of the sleeve should be >=1 kgf./linear cm. Used esp. for coupling lengths of PVC or ABS conduit for enclosing telephone cables, where coupled conduit must be pulled or bent during installation and resist the stresses of subsequently having cables drawn through the conduits. The couplings are readily assembled without involving special tools, hot welding or (flammable) solvents. The force necessary to assemble the couplings is significantly less than that needed to part the joints, by a ratio of =1:3, pref. =1:8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7703986A FR2380487A1 (en) | 1977-02-11 | 1977-02-11 | Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile grip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7703986A FR2380487A1 (en) | 1977-02-11 | 1977-02-11 | Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile grip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2380487A1 true FR2380487A1 (en) | 1978-09-08 |
Family
ID=9186646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7703986A Pending FR2380487A1 (en) | 1977-02-11 | 1977-02-11 | Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile grip |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2380487A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627279A (en) * | 1947-02-24 | 1949-08-04 | Clare Collets Ltd | Improvements relating to milling cutters and arbors therefor |
| FR1158007A (en) * | 1956-08-17 | 1958-06-06 | Fabrication De Tubes En Matier | tubular element with composite walls, process and equipment for its manufacture |
| FR2142764A1 (en) * | 1971-06-24 | 1973-02-02 | Orszagos Gumiipari Vallalat | Reinforced rubber hose - with helical windings at angles phased to resist torsion |
| US3905399A (en) * | 1973-01-02 | 1975-09-16 | Uniroyal Ltd | Liquid-conveying hose |
| AU473357B2 (en) * | 1972-07-31 | 1976-06-17 | Roc La Concrete Pipes Limited | PIPE joint |
| FR2313622A1 (en) * | 1975-06-06 | 1976-12-31 | Goodyear Tire & Rubber | REINFORCED HOSE, ESPECIALLY ELASTOMERIC |
-
1977
- 1977-02-11 FR FR7703986A patent/FR2380487A1/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627279A (en) * | 1947-02-24 | 1949-08-04 | Clare Collets Ltd | Improvements relating to milling cutters and arbors therefor |
| FR1158007A (en) * | 1956-08-17 | 1958-06-06 | Fabrication De Tubes En Matier | tubular element with composite walls, process and equipment for its manufacture |
| FR2142764A1 (en) * | 1971-06-24 | 1973-02-02 | Orszagos Gumiipari Vallalat | Reinforced rubber hose - with helical windings at angles phased to resist torsion |
| AU473357B2 (en) * | 1972-07-31 | 1976-06-17 | Roc La Concrete Pipes Limited | PIPE joint |
| US3905399A (en) * | 1973-01-02 | 1975-09-16 | Uniroyal Ltd | Liquid-conveying hose |
| FR2313622A1 (en) * | 1975-06-06 | 1976-12-31 | Goodyear Tire & Rubber | REINFORCED HOSE, ESPECIALLY ELASTOMERIC |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7523765B2 (en) | Fiber reinforced spoolable pipe | |
| BR0016428B1 (en) | submarine flexible tubular conduit. | |
| AU2001274183A1 (en) | Flexible conduit with flexible strip reinforcement | |
| EP0302061B1 (en) | Pipe for relining underground pipelines | |
| KR100528751B1 (en) | Tube for installing an optical fiber unit having lubricous surface | |
| EP0587660B1 (en) | Laminated pipe and a process for making the same | |
| FR2380487A1 (en) | Reinforced rubber sleeve couplings for telephone line conduits - to combine easy assembly with flexibility and enhanced tensile grip | |
| FI933631A (en) | A method of lowering an underwater pipeline into deep water | |
| GB2294307A (en) | Pressure resistant pipe with corrugated armouring | |
| CN218207429U (en) | Sleeve for inhaul cable | |
| CN216016348U (en) | Anticorrosive waterproof environmental protection double-walled pipe | |
| CN219823287U (en) | Polyvinyl chloride gas pipe | |
| US4565393A (en) | Pipe joint | |
| CN213598798U (en) | Quick joint of flexible pipe | |
| CN209781908U (en) | Non-bonding flexible pipe for deep water and connecting joint thereof | |
| JP2004282891A (en) | Structure of connection between conduit for communication and hand hole | |
| FR2438221A1 (en) | Wall thickness to dia. ratios for hydraulic hoses of unreinforced poly - for ease of mfr. and assembly of hose for 100 bar working pressures | |
| JPS6037398A (en) | Pipe laying method | |
| JP3370936B2 (en) | Propulsion fitting structure | |
| JP3391898B2 (en) | Piping method in the curved part of the existing pipeline | |
| GB793960A (en) | Improvements in or relating to coupling means for flexible tubes | |
| JPH02120590A (en) | Multifunctioning method for existing pipeline | |
| JP3947414B2 (en) | Rehabilitation of existing pipes | |
| JP2501355Y2 (en) | Pipe end structure of propulsion pipe | |
| JPH11350862A (en) | Protection cover of cable-hose for tip device of small-diameter pipe line propelling machinery, and storage method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| TP | Transmission of property |