Beds – Ground mat – Padded
Patent
1987-09-03
1991-01-01
Nicholson, Eric K.
Beds
Ground mat
Padded
5481, A47G 900
Patent
active
049809369
ABSTRACT:
A flexible pad is disclosed for supporting a load above an underlying surface. The pad is thermoformed from closed cell material comprising a plurality of closed cells. A substantial portion of the cells are elongated in a direction generally parallel to ribs and velleys formed in the upper and lower surface and lower surfaces of the pad.
REFERENCES:
patent: 3384108 (1971-06-01), Nelson
patent: 3889032 (1975-06-01), Koelsen
patent: 4450193 (1984-05-01), Staebler
patent: 4686724 (1987-08-01), Bedford
Burroughs John D.
Frickland Peter O.
Haggerty Peter D.
Lea James M.
Rayl Eric L.
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