ES274286A1 - Improvements relating to processes and machines for making asbestos-cement or like pipes - Google Patents
Improvements relating to processes and machines for making asbestos-cement or like pipesInfo
- Publication number
- ES274286A1 ES274286A1 ES0274286A ES274286A ES274286A1 ES 274286 A1 ES274286 A1 ES 274286A1 ES 0274286 A ES0274286 A ES 0274286A ES 274286 A ES274286 A ES 274286A ES 274286 A1 ES274286 A1 ES 274286A1
- Authority
- ES
- Spain
- Prior art keywords
- mandrel
- screen
- anvil
- length
- rotating
- 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
- 239000004568 cement Substances 0.000 title 1
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/42—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces
- B28B21/48—Methods or machines specially adapted for the production of tubular articles by shaping on or against mandrels or like moulding surfaces by wrapping, e.g. winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
A method of making tubes by having an endless belt pick up a layer of a fiber-containing material from at least one rotating cylindrical screen and bring it within the gripping distance between a rotating mandrel and a roller-shaped anvil for coating the mandrel, the mandrel being replaced by another when the coating on it has been formed to the desired thickness, characterized in that the endless band moves continuously in contact with the sieve or sieves but the anvil roller is stopped while the mandrel is being In changing, a loop formed in the endless band in the length from the anvil roll to the screen or first screen is reduced in length to give a band length that moves in contact with the screen or screens throughout the period in which anvil roll is stopped, and this loop is formed again while the anvil roll is rotating again during the production of the next tube. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB470761A GB931872A (en) | 1961-02-08 | 1961-02-08 | Improvements relating to processes and machines for making asbestos-cement or like pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES274286A1 true ES274286A1 (en) | 1962-07-01 |
Family
ID=9782284
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0274286A Expired ES274286A1 (en) | 1961-02-08 | 1962-02-03 | Improvements relating to processes and machines for making asbestos-cement or like pipes |
| ES0277387A Expired ES277387A1 (en) | 1961-02-08 | 1962-05-16 | Improvements relating to processes and machines for making asbestos-cement or like pipes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0277387A Expired ES277387A1 (en) | 1961-02-08 | 1962-05-16 | Improvements relating to processes and machines for making asbestos-cement or like pipes |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE613631A (en) |
| CH (1) | CH378211A (en) |
| ES (2) | ES274286A1 (en) |
| GB (1) | GB931872A (en) |
-
1961
- 1961-02-08 GB GB470761A patent/GB931872A/en not_active Expired
-
1962
- 1962-02-03 ES ES0274286A patent/ES274286A1/en not_active Expired
- 1962-02-07 BE BE613631A patent/BE613631A/en unknown
- 1962-02-08 CH CH157362A patent/CH378211A/en unknown
- 1962-05-16 ES ES0277387A patent/ES277387A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB931872A (en) | 1963-07-17 |
| ES277387A1 (en) | 1962-08-16 |
| CH378211A (en) | 1964-05-31 |
| BE613631A (en) | 1962-08-07 |
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