Refrigeration – Processes – Accumulating holdover ice in situ
Patent
1992-02-28
1993-11-16
Bennet, Henry A.
Refrigeration
Processes
Accumulating holdover ice in situ
62 66, 62 74, 62 75, F25C 100, F25D 300
Patent
active
052612457
ABSTRACT:
A method for easily making an ice slab serving as the foundation of an artificial snow skiing field and artificial snow whose upper layer is powdery by flooding aqueous slurry made by adding water to granular wet water absorbent polymer on a slope of a natural skiing field or a slant or horizontal surface of a natural skiing field or indoor artificial snow skiing field equipped with a cooling system, obtaining the deposit layer of the granular wet water absorbent polymer in which water is separated from the slurry and freezing the deposit layer.
REFERENCES:
patent: 3251194 (1966-05-01), Walker
patent: 3751935 (1973-08-01), MacCracken et al.
patent: 4742958 (1988-05-01), Bucceri
patent: 4793142 (1988-12-01), Bucceri
patent: 5136849 (1992-08-01), Miura et al.
Hirano Kazuo
Kambayashi Taiji
Kubota Kohei
Nagai Toshitake
Nagata Koiti
Bennet Henry A.
Kilner Christopher B.
Miura Dolphins Co., Ltd.
Ohtsuka, Masahisa
Osaka Organic Chemical Industry Co., Ltd.
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