Load supporting means and the formation thereof

Details Load supporting means and the formation thereof Load supporting means and the formation thereof

1977-10-25

1980-03-25

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

5216913, 52223R, 52423, 52585, 52725, 52742, 428220, B32B 702, E02D 2700, E04B 200

Patent

active

041951115

ABSTRACT:
A displaceable load supporting cell for supporting a load. The cell comprises at least one compacted layer of particulate material compacted under a pressure of at least 800 kPa. The cell has a height less than its minimum lateral dimension. The cell includes retaining means for retaining the particulate material in the layer, and restraining means associated with the layer to restrain lateral displacement of the particulate material under load.
A method of forming the load supporting cell and a support pillar. The pillar comprises a stack of layers of particulate material compacted under a pressure of at least 800 kPa, and each layer having restraining means associated therewith to restrain lateral displacement of the particulate material under load, each layer having a height less than its minimum lateral dimension.

REFERENCES:
patent: 1777926 (1930-10-01), Lillard
patent: 2095989 (1937-10-01), Lillard
patent: 2106943 (1938-01-01), Fischer
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patent: 3095943 (1963-07-01), Kemp
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patent: 3546052 (1970-12-01), McNamara
patent: 3630813 (1971-12-01), Allen
patent: 3649426 (1972-03-01), Gates
patent: 3922832 (1975-12-01), Dicker
patent: 4042746 (1977-08-01), Hofer

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