US PATENT SUBCLASS 156 / 187
.~.~.~.~ Tubular core

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
184  DF  .~.~ With winding of web or sheet {7}
185  DF  .~.~.~ Uniting to separate core {2}
187.~.~.~.~ Tubular core {1}
188  DF  .~.~.~.~.~> Sequential winding of separate webs

DEFINITION

Classification: 156/187

(under subclass 185) Processes in which the core is a hollow tubular element.