US PATENT SUBCLASS 156 / 147
.~.~.~.~ With inflation of airtight cavity

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}
145  DF  .~.~ With encapsulating of permanently fluent material in hollow or porous lamina or filling of space between adhered laminae {1}
146  DF  .~.~.~ Prior to bonding of laminae (e.g., golf balls) {1}
147.~.~.~.~ With inflation of airtight cavity

DEFINITION

Classification: 156/147

(under subclass 146) Processes in which the filling operation is of an impervious hollow core.

(1) Note. The filling may be, for example, inflation with air of a football bladder.