Title:
PROTECTING METHOD FOR SNOW LAYER-COOLING PIPING
Document Type and Number:
Japanese Patent JP2541717
Kind Code:
B2
Abstract:
PURPOSE: To prevent a snow layer-cooling piping from being damaged due to chipping of a snow layer by the snow surface sliding device and snow surface preparing device of ski plates and the like, in an artificial snow ski ground with the snow layer cooling piping set on a floor surface forming the snow layer.
CONSTITUTION: The laminated layer 19 of sand or sand-like substance is formed on a floor surface in a state that a snow layer cooling piping 5 is embedded in the laminated layer. Then, the laminated layer 19 is impregnated with water, and the impregnated water is frozen by cooling, and on the laminated layer 19 with the frozen impregnated water, a snow layer 4 is formed.
Inventors:
MORIOKA KOJI
KASAHARA HIROSHI
KASAHARA HIROSHI
Application Number:
JP23126291A
Publication Date:
October 09, 1996
Filing Date:
September 11, 1991
Export Citation:
Assignee:
TAIKISHA KK
International Classes:
A63C19/10; E01C13/00; E01C13/12; E04H3/14; (IPC1-7): E01C13/12; A63C19/10; E04H3/14
Domestic Patent References:
| JP50103140A |
Attorney, Agent or Firm:
Kitamura Osamu