Polyhedron cell structure and method of making same

Details Polyhedron cell structure and method of making same Polyhedron cell structure and method of making same

1986-07-18

1987-05-26

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

264321, 4283111, 4283128, 4283142, 521918, B32B 310

Patent

active

046685570

ABSTRACT:
An open cell foam structure that has a negative Poisson's ratio. Structure can be created by triaxially compressing a conventional open-cell foam material and heating the compressed structure beyond the softening point to produce a permanent deformation in the structure of the material. The structure thus produced has cells whose ribs protrude into the cell resulting in unique properties for materials of this type.

REFERENCES:
patent: 3194854 (1965-07-01), Smith
patent: 4264673 (1981-04-01), Breidenbach et al.
patent: 4299883 (1981-11-01), Roth et al.

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