Fabrication of honeycomb type cellular materials

Abstract

Abstract A STRIP OF SUITABLE MATERIAL, SUCH AS TREATED KRAFT PAPER, METAL FOIL OR THE LIKE IS DRAWN BETWEEN ROLLS OF A SLITTER, SO DESIGNED THAT BY MEANS OF A VERY SIMPLE ADJUSTMENT THE FINISHED PRODUCT MAY HAVE A SELECTED ONE OF A NUMBER OF SIZES AND ANGLES OF HONEYCOMB TYPE CELL. AFTER SLITTING, THE STRIP PASSES THROUGH AN ADHESIVE APPLICATOR HAVING OUTLETS TO IMPRINT STAGGERD AREAS OF ADHESIVE ON OPPOSITE SIDE OF THE STRIP BETWEEN ROWS OF SLITS. THE APPLICATOR IS CONSTRUCTED TO PREVENT ACCESS OF AIR TO THE ADHESIVE DURING ITS TRAVEL FROM A SUPPLY TO THE IMPRINTING REGION THUS PREVENTING PERMATURE SETTING OF THE ADHESIVE AND CLOGGING OF MOVEING PARTS. NEXT THE SLITTED STRIP WITH APPLIED ADHESIVE PASSES BETWEEN SUBSTANTIALLY SPACED FOLDING WHEELS WHICH WILL ACCEPT STRIPS OF VARIOUS THICKNESSES FOR PLEATING AND DESIGNED TO MINIMIZE SMEARING OF THE ADHESIVE. AS THE STRIP PASSES THROUGH THE FOLDING WHEELS THE ADHESIVE SPACEDLY JOINS ADJACENT PLEATS. AFTER THE PLEATED MATERIAL LEAVES THE PLEATING WHEELS IT IS SENT TO BRAKING APPARATUSD WHICH FORMS A UNIFORM AND LEVELED COMPACTION WHEREIN THE ADHESIVE SETS. THEN THE MATERIAL IS DRAWN FROM THE COMPACTION BY PULLING APPARATUS TO STRETCH IT, THEREBY FORMING THE HONEYCOMB TYPE CELLS. AS THE CELLULAR WEB IS PULLED ITS WIDTH BECOMES LESS. WIDTH- SENSNG MEANS PROVIDES A SIGNAL INDICATING ANY DEVIATION FROM THE DESIRED WIDTH. THIS SIGNAL IS APPLIED TO MEANS FOR CONTROLLING THE SPEED OF OPERATION OF THE PULLING APPARATUS TO COMPENSATE FOR ANY INCIPIENT DEVIATION FROM THE DESIRED WIDTH.

Inventors

• 👤 Robert C Geschwender

Bibliographic Details