Metal deforming – With cleaning – descaling – or lubrication of work or product – Lubricating
Patent
1998-09-22
2000-08-08
Butler, Rodney
Metal deforming
With cleaning, descaling, or lubrication of work or product
Lubricating
72348, 72254, 72267, G01D 1800
Patent
active
060984368
ABSTRACT:
A metalworking method, particularly for obtaining lengths of tube of various sizes and for various uses, made of steel having a carbon content between 0.10% and 0.50% with narrow tolerances. The method entails the provision, as initial material, of a round bar of hot-rolled steel, which is then peeled and cut so as to obtain at least one block, which is drilled and subjected to a chemical treatment. The block is then pressed and optionally subjected to final turning and heat treatment so as to obtain a finished product, such as a hydraulic or oleodynamic cylinder or a casing for high-pressure filters or a tube for high pressures, or a bushing, by using a reduced amount of steel.
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Patent Abstracts of Japan vol. 4, No. 176 (M-045), Dec. 5, 1980 & JP 55 126 341 A (Sumitomo Metal Ind Ltd), Sep. 30, 1980 * abstract *.
Girardello Bruno
Girardello Giampaolo
Girardello Pierangelo
Butler Rodney
Josif Albert
Modiano Guido
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