Custom fitted, light weight, air conditioned protective helmet

Details Custom fitted, light weight, air conditioned protective helmet Custom fitted, light weight, air conditioned protective helmet

1976-03-01

1978-07-11

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Longitudinal or transverse tubular cavity or cell

2 6, 2411, 428158, 428166, 428178, B32B 320, B32B 300

Patent

active

041003209

ABSTRACT:
A custom fitted pilot's helmet includes a liner attached within the confi of a helmet shell having numerous pressure relief holes over its entire surface. The liner includes a flexible sheet on one side of which is formed a plurality of elastic cell pairs separated by permanent heat seals or partitions overlaid with air tubes. The cells within a cell pair are separated from each other by a removable partition or severable heat seal. One cell of the cell pair contains one component of a foamable mixture and the other cell of the cell pair contains the second component of the foamable mixture. The liner-shell combination is positioned on the pilot's heat and the removable cell partitions are all virtually simultaneously removed. Thereafter, the foaming components within the cells admix and foam in situ to form a custom fitted helmet liner.

REFERENCES:
patent: 3344433 (1967-10-01), Stapenhill
patent: 3415711 (1968-12-01), Chavannes
patent: 3577305 (1971-05-01), Hines et al.
patent: 3609764 (1971-10-01), Morgan
patent: 3787893 (1974-01-01), Larcher

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