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2. 发明专利

JP2807695B2 失效
公开(公告)号：JP2807695B2
公开(公告)日：1998-10-08
申请号：JP24566290
申请日：1990-09-14
申请人： SHIMIZU KENSETSU KK
发明人： HORIGUCHI HIROSHI , KUBOTA JUJI , KUDO OSAMU , NISHIOKA TOSHASU , ODAWARA TAKURO , RYOKAI KIMITOSHI
IPC分类号： E01H4/00 , E01C1/00

4. 发明专利

JPH0827756A SNOW QUALITY CONTROL DEVICE 失效
公开(公告)号：JPH0827756A
公开(公告)日：1996-01-30
申请号：JP16187294
申请日：1994-07-14
申请人： KAJIMA CORP
发明人： MIURA HIDEYUKI , FUJIMOTO YASUHIRO
IPC分类号： E01H4/00
摘要： PURPOSE:To provide a snow quality control device capable of confirming snow quality and meteorological information at a site by monitoring at a remote place by constituting the device of a remote part and a host part. CONSTITUTION:A column 2 is erected on a remote main body 1 of a remote part 12, a motor 3 is provided on a head part of the column 2, an arm 4 rotating by the motor 3 is installed on an upper part of the column 2, a supersonic transceiver 5 to measure hardness of snow quality, a CCD camera to measure a particle diameter of the snow quality, an infrared thermometer 8 and a road surface moisture meter 7 to measure temperature of the snow quality and a moisture content are installed on the arm 4, and a transmitter 10 to transmit an electromagnetic wave and an antenna 11 are furnished. Thereafter, a host part 13 is furnished with an antenna, a receiver to receive the electromagnetic wave transmitted from the transmitter 10, a personal computer to analyze the received electromagnetic wave and a display to display an analyzed result.

6. 发明专利

JPH06210044A MAINTENANCE OF SNOW PILED ON ARTIFICIAL SKIING GROUND 失效
公开(公告)号：JPH06210044A
公开(公告)日：1994-08-02
申请号：JP23257191
申请日：1991-06-06
申请人： PATINE CORP
发明人： OHASHI KAZUO
IPC分类号： A63C19/10 , E01H4/00 , E04H3/14 , F25C3/04
摘要： PURPOSE:To provide a method for maintaining snow piled on an indoor artificial skiing ground with cooling cost reduction for the maintenance of the snow. CONSTITUTION:In a method for maintaining snow piled in an artificial skiing ground provided in a building with a slope 4 piling artificial snow 12 thereon, a refrigerant circulating pipe 7 is installed through a heat insulating layer 5 on the upper part of a foundation board of the slope 4 to be connected to a refrigerant feeder while a curtain-like sheet body 27 placed in intimate contact with the upper surface of snow piled on the slope and formed at least on one surface facing the slope with an aluminum layer is adapted to removably cover the snow so that the refrigerant passes through the pipe 7 to cool the artificial snow 12.

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