US PATENT SUBCLASS 29 / 2.14
.~ Including means to inflate stock

Current as of: June, 1999
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29 /   HD   METAL WORKING

2.1  DF  BIAS (I.E., HELICALLY) CUTTING OF TUBULAR STOCK {7}
2.14.~ Including means to inflate stock

DEFINITION

Classification: 29/2.14

Including means to inflate stock:

(under subclass 2.1) Apparatus including means to inject gas under pressure into the work to cause the work to assume a tubular or hollow shape for passing onto a work support or mandrel.