US PATENT SUBCLASS 156 / 547
.~.~.~.~ Means applying fluent adhesive or adhesive activator material between layers

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

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
538  DF  .~ With work feeding or handling means {4}
539  DF  .~.~ For plural parts or plural areas of single part {3}
543  DF  .~.~.~ Indefinite or running length work {6}
547.~.~.~.~ Means applying fluent adhesive or adhesive activator material between layers {2}
548  DF  .~.~.~.~.~> At spaced areas
549  DF  .~.~.~.~.~> Plural indefinite length or running length workpieces {2}

DEFINITION

Classification: 156/547

(under subclass 543) Apparatus having means for transferring material in a flowing state onto at least one of the contacting surfaces of the laminae to be secured together, which material causes adherence of the laminae.

(1) Note. The flowing material of this and the indented subclasses may be either the adhesive, per se, or it may be a fluid activator for adhesive previously applied. Mere heated air to render adhesive tacky is excluded from these subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

325, for processes of laminating utilizing a particular adhesive and see the notes thereto of the locus of other laminating processes including a step of applying an adhesive.

578, and see the notes thereto for the locus of patents relating to laminating devices combined with adhesive or adhesive activator applying means.