Honeycomb insulating material

Details Honeycomb insulating material Honeycomb insulating material

1984-05-22

1986-07-29

Epstein, Henry F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

428188, B32B 312

Patent

active

046030727

ABSTRACT:
The method and apparatus for fabricating honeycomb expandable insulation panels disclosed herein includes a method and apparatus for folding a continuous thin film of flexible plastic material into a uniform, open faced tubular configuration and for heat setting the folds in permanent sharp creases. It also includes a rotatable rack apparatus for continuously stacking successive lengths of the tubular formed plastic film one on top of another on flat surfaces and adhering them together in the form of a neat, uniform expandable panel of interior honeycomb cell configuration.

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patent: 4346132 (1982-08-01), Cheng et al.
patent: 4450027 (1984-05-01), Colson

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