US PATENT SUBCLASS 493 / 474
.~ Expandable or collapsible

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

468  DF  TOOL OR TOOL SUPPORT {7}
474.~ Expandable or collapsible

DEFINITION

Classification: 493/474

Expandable or collapsible:

(under subclass 468) Method or apparatus wherein the means for engaging the workpiece or the means partaking of all motion of such workpiece engaging means is, in each

operation, enlarged or reduced in size to present its surfaces for workpiece engagement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

475, for tool structure including multiple components, one being repositionable relative to the other.