GB564463A - Improvements relating to internally-insulated metal tubing - Google Patents
Improvements relating to internally-insulated metal tubingInfo
- Publication number
- GB564463A GB564463A GB9840/43A GB984043A GB564463A GB 564463 A GB564463 A GB 564463A GB 9840/43 A GB9840/43 A GB 9840/43A GB 984043 A GB984043 A GB 984043A GB 564463 A GB564463 A GB 564463A
- Authority
- GB
- United Kingdom
- Prior art keywords
- internally
- winding
- improvements relating
- metal tubing
- insulated metal
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0468—Corrugated
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
564,463. Flexible tubes. POWER FLEXIBLE TUBING CO., Ltd. June 18, 1943, No. 9840. Convention date, Dec. 18, 1942. [Class 99 (ii)] A flexible corrugated metal tube formed by an interlocked helical winding 2 has an internal winding 6 of non- metallic material which fills and projects from the corrugations. A flat metallic strip passes between corrugating rollers and is wound simultaneously with a cord of non-metallic material to which an adhesive is applied on to a mandrel. The material 6 may be paper, felt, celluloid, synthetic resin or rubber, and its coils are pressed into contact during winding, if of plastic material with the aid of heat.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH564463X | 1942-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB564463A true GB564463A (en) | 1944-09-28 |
Family
ID=4520511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9840/43A Expired GB564463A (en) | 1942-12-18 | 1943-06-18 | Improvements relating to internally-insulated metal tubing |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH229951A (en) |
GB (1) | GB564463A (en) |
-
1942
- 1942-12-18 CH CH229951D patent/CH229951A/en unknown
-
1943
- 1943-06-18 GB GB9840/43A patent/GB564463A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH229951A (en) | 1943-11-30 |
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