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    METHOD FOR SURFACE-TREATING WATER PERMEABLE ROAD
    24.
    发明专利
    METHOD FOR SURFACE-TREATING WATER PERMEABLE ROAD 失效

    公开(公告)号：JP2002363911A

    公开(公告)日：2002-12-18

    申请号：JP2001178323

    申请日：2001-06-13

    Applicant: TORAY INDUSTRIES ,  TORAY THIOKOL KK ,  OSADA GIKEN KK

    Inventor： ISHII KIYOKATA ,  KAMAISHI TADAMI ,  OSADA HIDEHARU

    IPC: E01C7/35

    Abstract: PROBLEM TO BE SOLVED: To solve such problems with a permeable space coating method that the penetration of water may be still short, namely, refuse or dirt tends to be plugged since the space is small to obstruct the passing of water, and there is also a request for minimizing poisonous substances not completely oxidized (for example, nitrogen monoxide, sulfur dioxide, hydrogen sulfide) contained in the air. SOLUTION: Resin mortar is fillingly applied into the aggregate clearances in the paved surface of a water permeable road, and then photocatalyst is adhered to the applied surface. The resin mortar is the mixture of resin and fine aggregate, and has a water permeability.

    AGGREGATE AND ITS PRODUCTION
    27.
    发明专利
    AGGREGATE AND ITS PRODUCTION 失效

    公开(公告)号：JP2001010851A

    公开(公告)日：2001-01-16

    申请号：JP17517599

    申请日：1999-06-22

    Applicant: TORAY INDUSTRIES ,  OSADA GIKEN KK

    Inventor： KAMAISHI TADAMI ,  OSADA HIDEHARU

    IPC: C04B20/10

    Abstract: PROBLEM TO BE SOLVED: To obtain an aggregate having a high fixing strength used by mixing thereof in a solidifying material and capable of fixing a surface material through a resin to the surface of a core material. SOLUTION: A surface material 4 is fixed through a resin 3 on a core material 2 so as to cover the periphery. For example, a rubber chip is used as the core material 2 and a urethane resin is used as the resin 3. For example, a silica sand powder is used as the surface material 4. The size of the rubber chip is preferably 0.5-2 cm. The silica sand powder is not completely embedded in the resin 3 and is made to adhere uniformly as a single layer. An aggregate 1 can be, for example, mixed in an asphalt mixture to carry out paving. As another example, a surface material of a large size can initially be made to adhere and the resin can subsequently be reapplied. A surface material of a smaller size than that of the surface material of the large size 4 can finally be made to adhere. Since many surface materials are fixed on the periphery of the aggregate 1, the physical fixing strength to a solidifying material is improved and the separation from the solidifying material and the cracking are slightly caused.

    TREATING METHOD OF PERMEABLE ASPHALT SURFACE
    28.
    发明专利
    TREATING METHOD OF PERMEABLE ASPHALT SURFACE 失效

    公开(公告)号：JP2000314102A

    公开(公告)日：2000-11-14

    申请号：JP12152599

    申请日：1999-04-28

    Applicant: TORAY INDUSTRIES ,  OSADA GIKEN KK

    Inventor： KAMAISHI TADAMI ,  OSADA HIDEHARU

    IPC: E01C7/35 ,  E01C7/18 ,  E01C11/24

    Abstract: PROBLEM TO BE SOLVED: To prevent the separation and scattering of an aggregate by adhering a resin curing even in the presence of water on the surface of permeable asphalt. SOLUTION: 0.1-1 kg/m2, which is a quantity of a degree not blocking a gap for passing water, of a resin such as a polysulfide modified resin curing even under the presence of water by a spray 2 is adhered to the surface 1 of a permeable asphalt pavement. In addition, the resin may be adhered by a roller or a brush. In addition, thin adhesion for the uniform film formation of the resin may be performed at the number of plural times. Particular bodies such as fine quartz sand for slip stop may be sprayed in the middle number of the plural times or the surface of the number of the final painted times. The separation and scattering of the aggregate can be prevented without losing the permeability of the surface 1 of the permeable asphalt pavement.

    CONCRETE BLOCK AND ITS MANUFACTURE
    29.
    发明专利
    CONCRETE BLOCK AND ITS MANUFACTURE 失效

    公开(公告)号：JP2000290963A

    公开(公告)日：2000-10-17

    申请号：JP9582499

    申请日：1999-04-02

    Applicant: TORAY INDUSTRIES ,  OSADA GIKEN KK

    Inventor： KAMAISHI TADAMI ,  YASUI HIRONORI ,  ISHII KIYOKATA ,  OSADA HIDEHARU

    IPC: E02B3/14 ,  B32B13/12 ,  E04C1/40

    Abstract: PROBLEM TO BE SOLVED: To greatly improve the impact and wear resistance, etc. of a concrete block by protecting the surface of the concrete block with a protective member. SOLUTION: This concrete block has a partially exposed protective member 3 made of plastics on the upper surface of a main body 2 made of concrete, with through holes 4 provided in the protective member 3. The concrete block also has embedded legs to prevent separation from the main body 2 made of concrete.

    CONCRETE BLOCK AND MANUFACTURE THEREOF
    30.
    发明专利
    CONCRETE BLOCK AND MANUFACTURE THEREOF 失效

    公开(公告)号：JP2000290961A

    公开(公告)日：2000-10-17

    申请号：JP9582199

    申请日：1999-04-02

    Applicant: TORAY INDUSTRIES ,  OSADA GIKEN KK

    Inventor： KAMAISHI TADAMI ,  OSADA HIDEHARU

    IPC: E02B3/14 ,  B32B13/12 ,  C08L81/04 ,  E04C1/40

    Abstract: PROBLEM TO BE SOLVED: To improve impact resistance and abrasion resistance of a concrete block by arranging a resin protective part being mixed with a reinforcing material and reacting/hardening even in the presence of moisture in a part or the whole of a surface of a concrete main body. SOLUTION: Resin mortar mixed with a reinforcing material is injected by a prescribed thickness into a mold, and before hardening resin, concrete is poured into from above it. The resin for forming a protective part 3 on a surface of a concrete main body 2 of a concrete block 1 formed in this way hardens even if moisture exists at hardening time. For example, a polysulfide modified resin is suitable. The polysulfide modified resin is excellent in an adhesive property and chemical resistance, and is also excellent in flexibility and impact resistance, and exhibits strong adhesive strength to a wetting surface. Strength can be imparted to the protective part 3 by mixing various reinforcing materials such as an aggregate 4 and a rubber chip. Since a surface of the concrete block 1 is covered with the protective part 3 formed of resin mixed with the reinforcing materials, impact resistance and abrasion resistance can be largely improved.

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