US PATENT SUBCLASS 493 / 273
.~.~ Applied externally of formed tube

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

269  DF  TUBE MAKING {15}
272  DF  .~ With coating {4}
273.~.~ Applied externally of formed tube

DEFINITION

Classification: 493/273

Applied externally of formed tube:

(under subclass 272) Method or apparatus wherein after formation of the hollow cylinder flowable material is applied to the outer surface thereof.