IN2014MU00120A - - Google Patents
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- IN2014MU00120A IN2014MU00120A IN120MU2014A IN2014MU00120A IN 2014MU00120 A IN2014MU00120 A IN 2014MU00120A IN 120MU2014 A IN120MU2014 A IN 120MU2014A IN 2014MU00120 A IN2014MU00120 A IN 2014MU00120A
- Authority
- IN
- India
- Prior art keywords
- achieve
- tubes
- telescopic mast
- aluminium
- aluminium tubes
- Prior art date
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- Metal Extraction Processes (AREA)
- Extrusion Of Metal (AREA)
Abstract
A METHOD OF MANUFACTURING ALUMINIUM TUBES FOR TELESCOPIC MAST The present invention relates to a method of manufacturing aluminium tubes for telescopic mast in which primarily billets, formed from an aluminium alloy, are subjected to a porthole extrusion process. Following porthole extrusion, the aluminium tubes are further cold drawn for reducing the cross sectional area of the tube, to increases tensile strength, to achieve H11 tolerance, to improve percentage elongation and to achieve better grains orientation. Successively, the tubes are then straightened on straightening machine to achieve straightness and to relieve the stress generated during cold drawing process. Subsequently, the artificial age hardening is carried out at about 165 ? centigrade with a view to achieve the required mechanical properties and dimensional tolerance in resultant products (aluminium tubes) for telescopic mast.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN120MU2014 IN2014MU00120A (en) | 2014-01-14 | 2014-01-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN120MU2014 IN2014MU00120A (en) | 2014-01-14 | 2014-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014MU00120A true IN2014MU00120A (en) | 2015-08-28 |
Family
ID=54393405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN120MU2014 IN2014MU00120A (en) | 2014-01-14 | 2014-01-14 |
Country Status (1)
Country | Link |
---|---|
IN (1) | IN2014MU00120A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016046844A3 (en) * | 2014-09-25 | 2016-06-09 | Siddhi Engineers | Process for manufacturing of aluminium alloy cheese tube, cheese pipe or bobbin for woven sack |
-
2014
- 2014-01-14 IN IN120MU2014 patent/IN2014MU00120A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016046844A3 (en) * | 2014-09-25 | 2016-06-09 | Siddhi Engineers | Process for manufacturing of aluminium alloy cheese tube, cheese pipe or bobbin for woven sack |
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