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1. 发明专利

JPH11308904A SEEDING SHEET AND SEEDING SHEET FOR MAKING ARTIFICIAL SEAWEED BED 失效
公开(公告)号：JPH11308904A
公开(公告)日：1999-11-09
申请号：JP18197698
申请日：1998-06-29
申请人： TOYO CONSTRUCTION , MORI ECOLOGY KK
发明人： KUMAKAWA SHIRO , YOSHIDA TOSHIHARU , TANAKA YUSAKU , TERADA MIKASATO , MORI SHOICHI
IPC分类号： A01C1/04 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To obtain a seeding sheet capable of being easily spread to a sea bottom, having seeds adhered to a specific sheet-like article at a distance, and capable of reducing the amount of an adhesive used for adhering the seeds to the sheet-like article to a necessity minimum by disposing the adhesive and the seeds having wet biological activity on the sheet-like article. SOLUTION: Seeds having a wet biological activity are disposed together with a biodegradable adhesive 13 on a sheet-like article 11 comprising a biodegradable resin and having a hole area rate of 2-50%. Therein, the seeds having the wet biological activity are preferably disposed together with the biodegradable adhesive 13 in a dotted-state, and the sheet-like article 11 is preferably formed from a non-woven fabric sheet 22 for adhering the seeds and filament- like materials 31 arranged in at least one direction and adhered to the back surface of the non-woven fabric sheet 22.

2. 发明专利

JPH11243718A SEEDS 失效
公开(公告)号：JPH11243718A
公开(公告)日：1999-09-14
申请号：JP6187498
申请日：1998-02-27
申请人： TEIJIN LTD , TOYO CONSTRUCTION , MORI ECOLOGY KK
发明人： KUMAKAWA SHIRO , YOSHIDA TOSHIHARU , TANAKA YUSAKU , MORI SHOICHI
IPC分类号： A01C1/06
摘要： PROBLEM TO BE SOLVED: To obtain seeds without exacerbating or becoming extinct of germination and rhizogenesis and easier to handle than the wet seeds while left in the air in sowing sheet production process by covering all the surface of the seeds with a specific membrane. SOLUTION: The objective seed is obtained by covering whole of the surface of the seed 12 having moist biological activity with a water-soluble polymer membrane 41. The water-soluble polymer has 30 wt.%. or more of water retention (at 20 deg.C, 65% of relative humidity), the water-soluble polymer is mainly consisting from at least one selected from the group consisting of carboxymethylcellulose, hydroxyethylcellulose, methylcellulose and carboxymethylcellulose, and the preferable thickness of the membrane is 30 to 200 μm.

3. 发明专利

JPH1042626A SOWING SHEET AND SOWING 失效
公开(公告)号：JPH1042626A
公开(公告)日：1998-02-17
申请号：JP19915396
申请日：1996-07-29
申请人： TOYO CONSTRUCTION , TEIJIN LTD
发明人： YOSHIDA TOSHIHARU , TANAKA YUSAKU , OMATA SHIGEOKI , KUMAKAWA SHIRO
IPC分类号： A01C1/04 , A01G33/00 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To prevent loss of seeds and surely raise Zostera marina in creation of Zostera marina field by sowing. SOLUTION: This sowing sheet is produced by fixing seeds of Zostera marina to a net-like sheet member 1 so as to become a prescribed sowing density. The sheet member 1 is made of a biodegradable resin. The sowing sheet is laid on a water bottom on which Zostera marina field is created by using a laying apparatus. The laying apparatus lays a roll like sowing sheet in spread state by rotating the sowing sheet in a state rolled in roll-like shape. Sowing can readily be carried out in a nearly prescribed sowing density by laying such sowing sheet. Loss of seeds due to flow, etc., of tide is prevented and Zostera marina field can surely be created thereby. Since the sheet member 1 is made of a biodegradable resin and the biodegradable resin is decomposed with the passage of time, the environment is not polluted and much labor is not required for recovery and treatment of the sheet member.

4. 发明专利

JPH0830765A WATER AREA MONITORING SYSTEM 失效
公开(公告)号：JPH0830765A
公开(公告)日：1996-02-02
申请号：JP16229294
申请日：1994-07-14
申请人： TOYO CONSTRUCTION
发明人： TANAKA YUSAKU , CHIGA YASUHIRO , NAKAMURA TOSHIAKI
IPC分类号： G01J3/46 , G01N21/27 , G06T1/00
摘要： PURPOSE:To measure water quality in an arbitrary water area extending over a wide range and continuously. CONSTITUTION:The water quality is known by analyzing the spectrum of a photographed color picture. The picture data of the surface of water photographed by an image pickup device is picture-processed by a personal computer 2 to be a picture processing unit, and the removal of a noise and the correction of illuminance are executed. Subsequently, the ratio of the luminance of the G-channel and the B-channel of the picture data or spectrum peak wavelength the picture data shows is determined. Then, chlorophyll (a) concentration is determined from correlation between the ratio of the luminance or the spectrum peak wavelength and the chlorophyll (a) concentration, and the distribution of phytoplankton is known.

5. 发明专利

JP2001115429A ENVIRONMENT-FRIENDLY BREAKWATER 失效
公开(公告)号：JP2001115429A
公开(公告)日：2001-04-24
申请号：JP29390299
申请日：1999-10-15
申请人： TOYO CONSTRUCTION
发明人： KURATA KATSUHIKO , TANAKA YUSAKU , ISHIZAKI TAKASHI , MATSUMOTO HIDEMITSU
IPC分类号： A01K61/00 , E02B3/06 , E02B3/14
摘要： PROBLEM TO BE SOLVED: To provide an environment-friendly breakwater to feed a large volume of fresh sea water to a rear sea area without impairing any breakwater function and contribute much to water quality consecution and environment creation in a bay. SOLUTION: An upright wave absorbing caisson type bank body 2 having a wave absorbing mechanism 7 on a front side of a caisson 6 is installed on a foundation mound 1, the top height of this bank body 2 is set to the height over the wave and a submerged permeable type wave absorbing structure 4 with a permeable wave absorbing block 13 installed on the top of a back-fill layer 3 via a covered stone 12 is arranged behind the bank body 2, waves are allowed to be positively overtopped from the bank body 2, and absorbed by the wave absorbing structure 4 therebehind, and the inside of the permeable wave absorbing block 13 is used for a habitat of marine organisms such as fish and algae.

6. 发明专利

JPH0913341A WATER BOTTOM DITCH-SHAPED STRUCTURE 失效
公开(公告)号：JPH0913341A
公开(公告)日：1997-01-14
申请号：JP16103295
申请日：1995-06-27
申请人： TOYO CONSTRUCTION
发明人： TANAKA YUSAKU , CHIKAMOTO TAKESHI , MURAMOTO TETSUJI , NAKAMURA TOSHIAKI , ENDO MASAO
IPC分类号： E02B1/00 , E02B3/02
摘要： PURPOSE: To prevent a ditch from being backfilled when constructing a ditch on a water bottom of a weak ground, and restore the ditch easily even when the ditch is backfilled. CONSTITUTION: Block structures are continuously welded and buried on the water bottom, thereby constructing a water bottom-ditch-shaped structure 1. A recessed area which cuts a long ditch divided into short segments is formed on the top of the block structures. Therefore, the water bottom ditch-shaped structure 1 to which the block structure are continuously connected is buried with the top of the structure exposed so that a ditch 6 may be formed on the water bottom. The inner surface of the ditch 6 thus constructed is dammed with the water bottom ditch-shaped structure 1, which makes it difficult to backfill the ditch. Even in the case when earth and sand flow in the ditch 6. The earth and sand, which have flown in, can be removed by driving an underwater sand pump or the like. If the ditch 6 is applied to a fairway which promotes the exchange between an enclosed sea area and an open sea, it will be possible to construct a fairway which can function over a long period.

7. 发明专利

JPH08326029A BREAKWATER 失效
公开(公告)号：JPH08326029A
公开(公告)日：1996-12-10
申请号：JP15234395
申请日：1995-05-26
申请人： TOYO CONSTRUCTION
发明人： TANAKA YUSAKU , CHIKAMOTO TAKESHI , MURAMOTO TETSUJI , NAKAMURA TOSHIAKI , KONDO MASAO
IPC分类号： E02B3/06
摘要： PURPOSE: To purify water in the inland sea without depending upon a filtration system by promoting the exchange of seawater between the inland sea and the open sea. CONSTITUTION: The insides of each caisson 11 constituting an embankment body are filled with a filling material 14 up to intermediate sections, thus forming water intake tanks 16. Seawater in the open sea 4 is taken into the intake tank 16 from an inflow port 17 at the time of high water, an on-off valve 19 in a discharge pipe 20 connected to an outflow port 18 is opened at the time of low water, water in the intake tank 15 is discharged forcibly to the inland sea 5 by utilizing the difference of a tidal level, and the large flowing of seawater is generated in the inland sea 5.

8. 发明专利

JPH08311850A REMOVING DEVICE FOR SEA FLOATING MATTER 失效
公开(公告)号：JPH08311850A
公开(公告)日：1996-11-26
申请号：JP14399795
申请日：1995-05-18
申请人： TOYO CONSTRUCTION
发明人： TANAKA YUSAKU , CHIKAMOTO TAKESHI , MURAMOTO TETSUJI , NAKAMURA TOSHIAKI , ENDO MASAO
IPC分类号： E02B1/00 , E02B15/00
摘要： PURPOSE: To automatically remove sea floating matter with good efficiency by utilizing the ebb and flow of the tide. CONSTITUTION: An intake chamber 11 and a channel 12 are disposed along the quay wall 1, the intake chamber 11 and the channel 12 are respectively communicated with the sea in a closed region 6 through communicating paths 18, 19, opening and closing valves 22, 23 are interposed in the respective communicating paths 18, 19, and a screen 24 is disposed in such a manner as to be tilted to the channel 12 side by a float 27 in an upper open port of the intake chamber 11. At high tide, sea water is let flow into the intake chamber 11, sea floating matter is captured on the screen 24, and when the intake chamber 11 becomes full, the screen 24 is tilted by the float 27 to drop the captured matter in the channel 12. After that, according to an ebb tide, the opening and closing valve 23 is first opened to discharge the water in the channel 12 and collect the captured matter in one portion in the channel. Subsequently, the opening and closing valve 22 is opened to discharge the water in the intake chamber 11, and before transition to the flowing tide, the opening and closing valves 22, 23 are closed to restore the intake, chamber to its initial state.

9. 发明专利

JPH06173232A SEA WATER PURIFYING DEVICE 失效
公开(公告)号：JPH06173232A
公开(公告)日：1994-06-21
申请号：JP35269892
申请日：1992-12-10
申请人： TOYO CONSTRUCTION
发明人： TANAKA YUSAKU , KATSURAGAWA TETSUYUKI
IPC分类号： E02B3/00 , B01D24/02 , B01D29/00 , C02F1/00 , E02B3/06
摘要： PURPOSE:To make possible the smooth insertion of a grouting machine into a steel pipe and the stable formation of a fixing layer. CONSTITUTION:Wheels 33 are fitted to the front and rear end parts of a grouting machine 11 with a pressure chamber A formed in a steel pipe pile 10 by making a swelling body 16 swollen by the actuation of a cylinder 15. A check valve 12 is mounted to the steel pipe pile 10 by insertion, and the center of the disc like valve body is locked from the inner face side of the steel pipe pile 10. Grout supplied into the pressure chamber A through the grouting machine 11 is thereby discharged uniformly from the check valve 12.

10. 发明专利

JPH02279808A GUCHI TYPE TIDE MAKING STRUCTURE 失效
公开(公告)号：JPH02279808A
公开(公告)日：1990-11-15
申请号：JP9947489
申请日：1989-04-19
申请人： TOYO CONSTRUCTION , PENTA OCEAN CONSTRUCTION , SHIMIZU CONSTRUCTION CO LTD , SHIN NIPPON KISHIYOU KAIYO KK , TAIYO KOGYO CO LTD , TAKENAKA DOBOKU , TOA HARBOR WORKS CO LTD , FUJITA CORP , FUDO CONSTRUCTION CO , HONMAGUMI KK , RINKAI CONSTRUCTION , WAKACHIKU CONSTR
发明人： TANAKA YUSAKU , YOSHIDA KAZUHIRO , IMABAYASHI OSAMU , OTSUKI TADASHI , OTSUKA KOJI
IPC分类号： E02B1/00
摘要： PURPOSE:To generate a tidal current in a required sea area to purify seawater by surrounding a part of the sea area by a wall to form a water reservoir, providing an opening at one place of the water reservoir facing to the sea area from where the generation of the tidal current is expected, and flowing out seawater with the difference in a tide level. CONSTITUTION:A part of sea area from where the generation of a tidal current is expected is surrounded by a wall 4 to form a water reservoir 1. After that, an opening 5 is provided at one place in the circumferential direction thereof, and it is placed toward a sea area 8 from where calm-waters are easy to generate. Seawater flows into the water reservoir 1 through the opening 5 at high tide, and the seawater flows out through the opening 5 at low tide. The tidal current is generated by means of the range of tide. According to the constitution, the tidal current can be generated from a required sea area without using specific power, and the seawater can be efficiently purified.

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