GB197235A - Method of and apparatus for coating the inner surfaces of tubes - Google Patents
Method of and apparatus for coating the inner surfaces of tubesInfo
- Publication number
- GB197235A GB197235A GB1899322A GB1899322A GB197235A GB 197235 A GB197235 A GB 197235A GB 1899322 A GB1899322 A GB 1899322A GB 1899322 A GB1899322 A GB 1899322A GB 197235 A GB197235 A GB 197235A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- asbestos
- pulp
- mandrel
- tubes
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insulating Bodies (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
197,235. Haimberger, T. F. von, and Wirth, J. K.. July 11, 1922. Moulding tubes.-Tubes are given an internal covering of insulating material by first coating with an adhesive layer of phenol-formaldehyde condensation product, then with asbestos pulp. and finally impregnating the asbestos with the condensation product. Apparatus for applying the asbestos consists of a tube C supplied with pulp by a worm B in a hopper A. The tube D to be coated is coated with the adhesive and slid over the tube C. The open end is fitted with a cap E, adapted to slide on a stationary mandrel F. The pressure of the pulp causes the tube D to move. along the mandrel carrying with it a lining of asbestos. The movement may be retarded by means of a weight G or other braking means. Liquid expressed from the pulp is carried away bv channels in the mandrel. Both the tube C and the mandrel may be provided with worm-like projections and may rotate on their axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1899322A GB197235A (en) | 1922-07-11 | 1922-07-11 | Method of and apparatus for coating the inner surfaces of tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1899322A GB197235A (en) | 1922-07-11 | 1922-07-11 | Method of and apparatus for coating the inner surfaces of tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB197235A true GB197235A (en) | 1923-05-10 |
Family
ID=10121940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1899322A Expired GB197235A (en) | 1922-07-11 | 1922-07-11 | Method of and apparatus for coating the inner surfaces of tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB197235A (en) |
-
1922
- 1922-07-11 GB GB1899322A patent/GB197235A/en not_active Expired
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