US PATENT SUBCLASS 219 / 769
.~.~ Container sealing

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

764  DF  CAPACITIVE DIELECTRIC HEATING {5}
765  DF  .~ Bonding {4}
769.~.~ Container sealing

DEFINITION

Classification: 219/769

Container sealing:

(under subclass 765) Subject matter wherein the bonded surfaces result in a tightly enclosed vessel having the capacity for holding material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

604, for bonding containers by inductive heating.

633, for bonding nonmetallic objects by inductive heating.

SEE OR SEARCH CLASS

53, Package Making, digest 2 for high frequency electric sealing,

557, for heat shrinking, and subclasses 477+ for heat sealing. 156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

272.2+, for processes and subclasses 379.6+ for apparatus therefor for laminating.