|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||428/73 ; 52/806 ; 428/116 ; 428/118|
|발명자 / 주소|
|인용정보||피인용 횟수 : 18 인용 특허 : 0|
Rigid lightweight composite panel. The panel comprises a honeycomb core, and sheets of rigid lightweight polyvinyl chloride (PVC) having a foamed center and smooth matte surfaces, bonded directly to opposite sides of the core, preferably by thin layers of pressure sensitive adhesive material. The panels are useful as custom exhibits and for other purposes.
A rigid lightweight composite structure comprising a multicellular core having a plurality of transversely extending open-ended cells; and a pair of rigid lightweight polyvinyl chloride sheets, each having a foamed center and a smooth thin skin on either side of said center, bonded to opposite sides of said core.