US PATENT SUBCLASS 156 / 306.6
.~.~ Using single, preformed, diverse bonding lamina between other laminae

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}
306.6.~.~ Using single, preformed, diverse bonding lamina between other laminae {1}
306.9  DF  .~.~.~> Including curing of nonfully polymerized material

DEFINITION

Classification: 156/306.6

Using single, preformed, diverse bonding lamina between other laminae:

(under subclass 60) Subject matter wherein a laminate having at least three plies is assembled, an inner lamina being a self-sustaining sheet composed of a single lamina which is tackified in the process to bond the outer laminae together, the inner lamina having a composition different from either

of the outer laminae.

SEE OR SEARCH THIS CLASS, SUBCLASS:

305, for a process in which a bonding sheet is applied to the outside of laminae to be bonded.

313, for a laminating process which uses an intermediate laminae, e.g., a coated substrate, as a bonding sheet between uncoated laminae.

325+, for a process which uses a particular adhesive for bonding two or more laminae to obtain a particular three- or-more layered product, wherein the adhesive is introduced to the process as other than a self-sustaining sheet.