US PATENT SUBCLASS 156 / 244.22
.~.~.~.~ Bonding spaced preforms

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}
242  DF  .~.~ With lamina formation by molding or casting {4}
244.11  DF  .~.~.~ By extrusion {12}
244.22.~.~.~.~ Bonding spaced preforms

DEFINITION

Classification: 156/244.22

Bonding spaced preforms:

(under subclass 244.11) Processes where laminae in spaced relationship (plural laminae or bonding a lamina to itself) are bonded by means of another element which is self-sustaining, e.g., a bead of adhesive, etc..

(1) Note. Included herein are methods using a pair of spaced rollers through which two laminae are fed with an intermediate preform therebetween to effect bonding.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

261+, for introducing fluent bonding material between spaced preforms.