Honeycomb core

Details Honeycomb core Honeycomb core

1995-04-28

1998-08-04

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

527931, 493966, B32B 312

Patent

active

057890595

ABSTRACT:
A honeycomb core or honeycomb structure 1 is made up of an arrangement of hollow cylindrical cells individually separated by cell walls made of base sheets 4. Each base sheet is a complex mixture of para-aramid fibers 2 and meta-aramid pulp material. The para-aramid fibers 2 occupy a weight percentage of from not less than 20% to less than 50% The honeycomb core is made by either the expanding method of the steps of stacking a plurality of base sheets 4, applying stripes of adhesive and then extending the stack or by the corrugating method of the steps of corrugating respective base sheets, stacking and bonding the corrugated sheets. If desired, after-treatment for reinforcement may be executed to apply or impregnating phenolic resin or other impregnating agent.

REFERENCES:
patent: 3013584 (1961-12-01), Reed et al.
patent: 4118263 (1978-10-01), Cook, Jr.
patent: 4235950 (1980-11-01), Miedaner
patent: 4529640 (1985-07-01), Brown et al.
patent: 4729921 (1988-03-01), Tokarsky
patent: 4836507 (1989-06-01), Yang
patent: 5094913 (1992-03-01), Yang
patent: 5137768 (1992-08-01), Lin

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