GB791513A - Improvements in or relating to machines and methods for corrugating electric cable sheaths - Google Patents
Improvements in or relating to machines and methods for corrugating electric cable sheathsInfo
- Publication number
- GB791513A GB791513A GB291654A GB291654A GB791513A GB 791513 A GB791513 A GB 791513A GB 291654 A GB291654 A GB 291654A GB 291654 A GB291654 A GB 291654A GB 791513 A GB791513 A GB 791513A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheath
- corrugating
- cable
- tool
- annular
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flexible Shafts (AREA)
Abstract
791,513. Corrugating. PIRELLI GENERAL CABLE WORKS, Ltd., and PENROSE, J. R. Jan. 31, 1955 [Feb. 1, 1954], No. 2916/54. Class 83 (4). A cable sheath is helically corrugated by the relative rotation around the sheath and in engagement therewith of a member having a concave working surface inclined to a plane perpendicular to the axis of the sheath, as the cable sheath moves axially relative to the corrugating member. A metal sheath 12 covering an electric cable core 13 is helically corrugated by the rotation therearound of a head 1 carrying, in bearings 22 in a block 21, an annular corrugating member 23, surrounding the sheath but eccentric thereto and inclined, at the helix angle of the corrugations, to a plane normal to the axis of the sheath. The inclination of the member 23 feeds the sheath axially during the corrugating although the sheath may be pulled. The eccentricity of the annular member 23 is adjusted by a screw 24 bearing on the block 21. The diameter of the circular aperture in the annular member 23 may be less than the overall diameter of the corrugated sheath and the radius of curvature of the profile of the rim of the aperture is less than the desired radius of curvature at the root of the corrugations. The sheath 12 is supported just prior to the point of corrugation by an external bush 14 and an internal plug 31, hollow to accommodate the cable core 13, the plug being urged back by the squeezing action of the corrugating member, such movement being resisted by friction, fluid pressure or spring means. More than one corrugating tool may be carried by the head 1 to act successively, or simultaneously to produce ccrrugations having two or more starts. The corrugating tool may be in the form of an arc B, Fig. 1. The sheath may be rotated and the tool kept stationary. The machine may be combined with apparatus for forming cable sheath from metal strip as described, for instance, in Specification 711,305. Specification 791,514 also is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB291654A GB791513A (en) | 1954-02-01 | 1954-02-01 | Improvements in or relating to machines and methods for corrugating electric cable sheaths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB291654A GB791513A (en) | 1954-02-01 | 1954-02-01 | Improvements in or relating to machines and methods for corrugating electric cable sheaths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB791513A true GB791513A (en) | 1958-03-05 |
Family
ID=9748494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB291654A Expired GB791513A (en) | 1954-02-01 | 1954-02-01 | Improvements in or relating to machines and methods for corrugating electric cable sheaths |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB791513A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092010A1 (en) * | 1982-04-15 | 1983-10-26 | Marc Maury | Shaping of tubes having a turbulence effect for heat exchangers |
| US5515603A (en) * | 1993-02-17 | 1996-05-14 | Kabelmetal Electro Gmbh | Method for manufacturing a coaxial cable |
| US5760334A (en) * | 1996-07-24 | 1998-06-02 | Alcatel Kabel Ag & Co. | Metallic sheath for an electric cable and method of making the same |
-
1954
- 1954-02-01 GB GB291654A patent/GB791513A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092010A1 (en) * | 1982-04-15 | 1983-10-26 | Marc Maury | Shaping of tubes having a turbulence effect for heat exchangers |
| US5515603A (en) * | 1993-02-17 | 1996-05-14 | Kabelmetal Electro Gmbh | Method for manufacturing a coaxial cable |
| US5760334A (en) * | 1996-07-24 | 1998-06-02 | Alcatel Kabel Ag & Co. | Metallic sheath for an electric cable and method of making the same |
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