公开(公告)号：US3563843A

公开(公告)日：1971-02-16

申请号：US3563843D

申请日：1968-04-16

Applicant: INT PAPER CO

Inventor： WAGERS WILLIAM O ,  FRAPPIER ROBERT H ,  MCDONALD WILLIAM S ,  BOGGS CHARLES L

IPC: B31F1/28 ,  B32B3/04 ,  B32B3/28

CPC classification number: B31F1/2827 ,  Y10S229/939 ,  Y10T428/2419 ,  Y10T428/24694 ,  Y10T428/24777 ,  Y10T428/31982 ,  Y10T428/31993

Abstract: A CLOSED EDGE CORRUGATED CORE PAPERBOARD IN WHICH THE CORRUGATED CORE OF THE BOARD IS CLOSED BY SLITTING AND COMPRESSING THE CORRUGATED CORE EDGE AND BY FOLDING THE EDGES OF THE FACING SHEETS, LEFT PROJECTING AFTER THE CORE IS CRUSHED, ONE FOLDED EXTENDING EDGE FOLDED OVER THE OTHER FOLDED EXTENDING EDGE, AND ADHESIVELY SECURING THE

FOLDED EDGES TOGETHER; THE METHOD FOR PRODUCING SUCH BOARD INCLUDING THE STEPS OF SLITTING AND CRUSHING THE END OF THE CORE, FOLDING THE EDGES OF THE FACING SHEETS, ONE OVER THE OTHER, AND ADHESIVELY SECURING THE FOLDED EDGES OF THE FACING SHEETS TO EACH OTHER.

公开(公告)号：US3677868A

公开(公告)日：1972-07-18

申请号：US3677868D

申请日：1969-11-24

Applicant: INT PAPER CO

Inventor： BOGGS CHARLES L

IPC: B27D1/00 ,  B32B21/10

CPC classification number: B32B21/10 ,  B27D1/00 ,  B32B21/14 ,  B32B2260/021 ,  B32B2260/046 ,  B32B2262/062 ,  Y10T428/187 ,  Y10T428/24355 ,  Y10T428/24769 ,  Y10T428/31957

Abstract: A RESIN IMPREGNATED, RESIN CURABLE FIBER MAT, AND A METHOD FOR USING THE MAT AS A DIMENSIONAL STABILIZING ELEMENT IN A LAMINATE STRUCTURE, WHICH IS PARTIALLY CURED PRIOR TO USE IN THE LAMINATE STRUCTURE AND IS FULLY POLYMERIZED BY THE ADDITION OF SUITABLE RESIN WHEN THE MAT IS TO BE USED.