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1. 发明专利

JPH10140156A BINDER COMPOSITION FOR SOIL PAVEMENT MATERIAL, SOIL PAVEMENT MATERIAL, METHOD FOR NATURAL SOIL PAVEMENT, AND SOIL PAVEMENT STRUCTURE 失效
公开(公告)号：JPH10140156A
公开(公告)日：1998-05-26
申请号：JP5758597
申请日：1997-03-12
申请人： CHUGAI SHOKO KK , DAINIPPON INK & CHEMICALS , NIPPON ROAD
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI , KANEKO MASAICHI , NISHIMURA NORIO
IPC分类号： E01C7/00 , C09K17/20 , C09K17/30 , C09K103/00 , E01C13/06
摘要： PROBLEM TO BE SOLVED: To obtain a binder compsn. for soil pavement materials which is excellent in water resistance, durability, and discoloration resistance and can be given a long service life by compounding a liq. isocyanate-terminated urethane resin with a water-base resin dispersion. SOLUTION: This compsn. is obtd. by compounding a liq. isocyanate- terminated urethane resin (A) pref. comprising a urethane prepolymer, that is, liq. at normal temp. and having an isocyanate content of 2-20wt.% (solid basis) with a water-base resin dispersion (B) pref. being the one obtd. by polymerizing a polymerizable vinyl monomer or being a rubber latex in a wt. ration (solid basis) of B to A lower than 1. 100 pts.wt. soil material (C) is mixed with 1-10 pts.wt. ingredient A and 10-100wt.% (based on ingredient A) ingredient B to give a soil pavement material which can be used for 30min to 12hr at 20 deg.C for paving and givens a pavement on which walking becomes possible within 24hr after paving.

2. 发明专利

JP2000129611A METHOD FOR FORMING WOODY PAVING BODY 失效
公开(公告)号：JP2000129611A
公开(公告)日：2000-05-09
申请号：JP30378998
申请日：1998-10-26
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI
IPC分类号： B27N3/00 , E01C7/30
摘要： PROBLEM TO BE SOLVED: To provide a very rational and economic method capable of omitting a process of the mixing treatment of woody piece base material and binder when woody paving material is adjusted and very shortening a practicable time of the paving material. SOLUTION: Woody pieces with which binder is not practically mixed are laid on a base and are rolled to form a paving body, and then, urethane resin binder having 5-30 wt.% of solid content concentration is sprayed on the surface of the paving body to infiltrate it into the paving body, and it is made to gel in void of the paving body ast it is to form the paving body. Specially, before spraying the binder, the surface of the paving body is sprinkled with water in advance to recycle the voids of the paving body, and besides, woody sawdust powder is sprayed on the paving body before spraying the binder. The urethane resin binder uses underwater dispersing liquid of urethane prepolymer.

3. 发明专利

JPH11131415A MANUFACTURE OF NATURAL SOIL PAVEMENT BODY 失效
公开(公告)号：JPH11131415A
公开(公告)日：1999-05-18
申请号：JP29691797
申请日：1997-10-29
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI
IPC分类号： E01C11/24 , E01C7/36 , E01C13/00 , E01C13/06 , E01C15/00
摘要： PROBLEM TO BE SOLVED: To reinforce a natural soil pavement body surface to prevent the outflow of the pavement body by raining or weathering, in a manufacturing method accompanied by a treatment for stabilizing the natural soil pavement body in the field of civil engineering. SOLUTION: In this method of manufacturing a natural soil pavement body, natural earth and sand substantially containing no binder is laid on a bed followed by rolling compaction and formed into a natural soil pavement body. An aqueous urethane resin solution containing an urethane prepolymer having a water dispersed concentration of 2-15 wt.% is sprayed to the surface of the pavement body, penetrated into the pavement body, and gelled within the cavity of the pavement body as it is.

4. 发明专利

JPH055360A METHOD FOR MAKING AIR-PERMEABLE OUTERMOST LAYER OF CEMENT HARDENED SUBSTANCE 失效
公开(公告)号：JPH055360A
公开(公告)日：1993-01-14
申请号：JP18175991
申请日：1991-06-25
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI
IPC分类号： E04F15/00 , E04D11/00 , E04G9/10
摘要： PURPOSE:To prevent swell from occurring by moisture to the surface of cast concrete or the like by a method wherein foaming synthetic resin emulsion is sprayed to the surface of the cast concrete, and smoothing is applied to the surface after foaming is made to the outermost layer. CONSTITUTION:Synthetic resin emulsion having foaming and bubble stabilizing characteristics is sprayed to the surface of cement mixture such as mortar or concrete that is cast over a horizontal plane. Then, forced agitation and kneading are applied to the outermost layer of the cement mixture, and admixture made of the cement mixture and the synthetic resin emulsion is made to foam. Then smoothing is applied so that the surface of the admixture becomes flat, and the outermost layer processed as mentioned above is made porous and air-permeable. Therefore, deterioration arising from moisture such as bulging, swelling, separation, etc., can be surely prevented.

5. 发明专利

JPH11247118A FORMATION OF WATER-PERMEABLE SOIL PAVEMENT BODY 失效
公开(公告)号：JPH11247118A
公开(公告)日：1999-09-14
申请号：JP5044998
申请日：1998-03-03
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI
IPC分类号： E01C7/36 , E01C11/24 , E01C15/00
摘要： PROBLEM TO BE SOLVED: To form a pavement body composed of coarse particles having a water-permeability by kneading natural soil with a coagulant to obtain granulated soil and further kneading the granulated soil itself or mixed with natural soil with a urethane-based binder and evenly laying it on a road base and compacting it by rolling. SOLUTION: Natural soil is kneaded with a coagulant to form granulated soil 10 advance. Thereafter, a urethane-based resin binder is mixed therewith to produce a mixed material. The product is evenly laid on a road base and compacted by rolling to a soil pavement body. A urethane-based resin binder may be kneaded with a mixed soil that the granulated soil is mixed with natural soil. The coagulant has an active isocyanate radical at the terminal end of the molecule as hydrophilic polyurethane polymer. An aqueous solution which is a liquid or a paste in a normal temperature is used as the coagulant. Inorganic chemicals of a metallic compound or the like containing hydraulic cement, lime, magnesium or organic chemicals such as polyacrylic soda or the like are applicable. In this way, a soil pavement body having a water- permeable property can be obtained and a resistance against frost damage can be imparted.

6. 发明专利

JP2922445B2 失效
公开(公告)号：JP2922445B2
公开(公告)日：1999-07-26
申请号：JP6486295
申请日：1995-02-27
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI , HAYAKAWA KAZUO
IPC分类号： E04F21/24 , E04F13/02 , E04F15/12

7. 发明专利

JPH08232451A METHOD OF GRINDING SKIN LAYER OF VERY YOUNG CURING AGE CEMENT FLOOR BED 失效
公开(公告)号：JPH08232451A
公开(公告)日：1996-09-10
申请号：JP6486295
申请日：1995-02-27
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI , HAYAKAWA KAZUO
IPC分类号： E04F21/24 , E04F13/02 , E04F15/12
摘要： PURPOSE: To smoothen a finished surface of a cement floor base by grinding the skin layer the cement floor bed at a very young curing age after placing at which the cement floor exhibits strength which allows a worker to work on the bed, and by subjecting the same to primer work and drying. CONSTITUTION: A polishing paper sheet is applied or set on a rotary head of a rotary polisher, and is pressed against grinding particles laid on a floor bed, and is moved back and forth, and left and right, and is rotated. In this case, Grinding particles previously laid on the surface of the bed, are caught by the polishing paper sheet under the action of frictional contact with the abrasive grains, and accordingly, the particles are rolled on the base surface so as to remove a fragile latiance layer. In this case, even if the cement bed is soft due to a very young curing period, and accordingly, the abrasion force of the grinding particles only affects a shallow skin layer in the surface of the bed member. Further, the polishing paper sheet on rotation is lifted from the surface of the bed member by means of the grinding particles, and the polishing is carried out by rolling of the grinding particles. Thereby, it is possible to prevent ground chips from being pressed against the surface of the bed member, that is, the chips are floated up from the surface of the bed member, thereby it is possible to flatten and smooth the surface of the bed member, suitably for the next floor finishing process.

8. 发明专利

JPH08218588A FINISHING EXECUTION METHOD TO ULTRA-RAW CEMENT BACKING 失效
公开(公告)号：JPH08218588A
公开(公告)日：1996-08-27
申请号：JP5181095
申请日：1995-02-15
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI , HAYAKAWA KAZUO
IPC分类号： E04F13/02 , E04D11/00 , E04F13/04 , E04F15/12
摘要： PURPOSE: To improve the efficiency of operation by coating an ultra-raw cement backing having high water content with a water-soluble epoxy resin primer and laminating an air-permeable mortar layer and an intercepting mortar layer on the primer layer. CONSTITUTION: The surface of an ultra-raw cement backing, in which surface hardness after placing is displayed in an extent that a finishing material can be executed on a surface, is coated with a water-soluble epoxy resin primer, thus forming a primer layer. The surface of the primer layer is coated with polymer cement mortar containing hydraulic cement, aggregate and a polymer dispersion, to which an antifoaming agent is not added, thus forming an air- permeable mortar layer. The surface of the air-permeable mortar layer is coated with polymer cement mortar containing hydraulic cement, aggregate and an antifoaming-agent polymer dispersion to form an intercepting mortar layer, and an air-impermeable finishing material is applied. Accordingly, the generation of bulging, peeling, etc., can be prevented.

9. 发明专利

JP2945297B2 失效
公开(公告)号：JP2945297B2
公开(公告)日：1999-09-06
申请号：JP5181095
申请日：1995-02-15
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI , YOMO MASAKI , HAYAKAWA KAZUO
IPC分类号： E04F13/02 , E04D11/00 , E04F13/04 , E04F15/12

10. 发明专利

JPH0657930A TREATMENT OF CONCRETE AND/OR MORTAR SURFACE LAYER WITH ITS SECTION RICH IN AIR PERMEABILITY BEING SELECTIVELY ARRANGED 失效
公开(公告)号：JPH0657930A
公开(公告)日：1994-03-01
申请号：JP23144092
申请日：1992-08-05
申请人： CHUGAI SHOKO KK
发明人： WAKANO NOBUHIKO , FUKUI KOJI
IPC分类号： E04F15/12
摘要： PURPOSE:To carry out the construction work of an air-permeable backing layer required for the surface finish of a concrete and/or mortar structure sufficiently even when concrete and/or mortar is not cured enough after the placement. CONSTITUTION:A liquefied composition abounding in foaming performance is scattered onto the surface of concrete and/or mortar after the completion of placing, and the surface layer section of the placing section of concrete and/or mortar is agitated. The liquefied composition and the surface layer section of the concrete placing section are kneaded and unified, and the top face of the kneaded and unified layer is smoothed again.

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