US PATENT SUBCLASS 72 / 370.02
.~.~.~ End necked down
Current as of:
June, 1999
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72 /
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METAL DEFORMING
362
DF
PROCESS
{8}
367.1
DF
.~ Tube making or reshaping {11}
370.01
DF
.~.~ Comprising use of internal tool {4}
370.02
.~.~.~ End necked down
DEFINITION
Classification: 72/370.02
End necked down:
(under subclass 370.01) Process which reduces the transverse
dimension of an axial extremity of the tube*.
SEE OR SEARCH THIS CLASS, SUBCLASS:
85, for a process of necking down using a rotating tool to traverse a rotating tube.
370.1+, for a process of end forming without the use of an internal tool.