Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1979-12-14
1984-04-03
Beck, Shrive P.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
427180, 427202, 427203, 428447, 252 11, 272 565SS, 272 97, B05D 500
Patent
active
044408323
ABSTRACT:
A method is disclosed for preparing a surface for winter sports such as skiing, tobagganing, or sledding. The method includes laying down a first layer of relatively large sodium chloride crystals and permitting these crystals to absorb moisture. A second layer of sodium chloride crystals along with an anti-friction agent is placed atop the first layer after a predetermined period of time. Also disclosed is a material suitable for practicing the method.
REFERENCES:
patent: 3291486 (1966-12-01), Applegath et al.
patent: 3443492 (1969-05-01), Pleass
patent: 3508945 (1970-04-01), Haemer et al.
patent: 3570846 (1971-03-01), Weber et al.
patent: 3736847 (1973-06-01), Hickey
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