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1. 发明专利

JPH10110428A PILE HEAD HOLLOW FORMATION TOOL OF CONCRETE PILE 失效
公开(公告)号：JPH10110428A
公开(公告)日：1998-04-28
申请号：JP28295096
申请日：1996-10-04
申请人： MARUI SANGYO KK
发明人： DEGUCHI MASAKI
IPC分类号： E02D5/34
摘要： PROBLEM TO BE SOLVED: To simply and surely form a hollow part in a pile head part by inserting a hollow formation tool having support arms and hanging fittings attached to an elastic cylinder in a pile head part, and rotating or burying the pile in the state. SOLUTION: Support arms 2, 3 are attached to upper and lower ends of an elastic cylinder 1, and a filling hole formation tool 4 is supported on the center part between the support arms 2, 3. Next, hanging fittings 6, 6 interconnected to the upper and lower support arms 2, 3 are provided along the inside or the outside part of the elastic cylinder 1. The pile head hollow formation body is inserted in the head part hollow part of a premolded concrete pile, and temporarily locked on the pile top end through a horizontal lock bar inserted in the through hole of the hanging fitting 6. Next, in this state, when the premolded concrete pile is rotated or buried in the hole in the excavated underground, previously filled soil cement rises up to the pile head end and is filled into the elastic cylinder 1 so as to be hardened. Thereafter when the hollow formation tool is lifted and removed, the hollow part is formed in the pile head part.

2. 发明专利

JPH1034568A MARKING JIG 失效
公开(公告)号：JPH1034568A
公开(公告)日：1998-02-10
申请号：JP20653396
申请日：1996-07-16
申请人： MARUI SANGYO KK
发明人： ABE NORIAKI , NAGAMOTO SATOSHI
IPC分类号： E04G21/18 , B25H7/04
摘要： PROBLEM TO BE SOLVED: To enable one person to perform marking work to a concrete face so as to save labor by a large margin by providing an upper face with an insert hole part for a needle part of a pin at the end of a marking string, providing a contact piece along the peripheral edge of a lower face, forming a part of a jig into a cavity part, and forming a guide groove for locking a marking string, at the opposed side face of the cavity part. SOLUTION: At the time of arranging a jig at one of two reference marking points by a horizontal line mark, of a concrete floor face A, a cavity part 4 of the jig is so arranged as to face the other reference marking point. A needle part of a pin B is insert-fitted into a hole part 2 of a jig body 1, and a marking string C locked to a guide groove and passed through the cavity part 4 while being pressed by a contact piece 3 is adjusted to the other reference marking point to mark a marking line by a worker to perform marking work. At the time of arranging a jig at the reference making point by a vertical line mark on the concrete floor face A side, the cavity part 4 is so arranged as to face the opposite direction of a concrete wall, and a marking string C arranged along the concrete wall is adjusted to the reference marking point of the concrete wall to mark a marking line, thus performing marking work.

3. 发明专利

JPH1026263A PIPE SUPPORT METAL FITTING FOR FACILITY 失效
公开(公告)号：JPH1026263A
公开(公告)日：1998-01-27
申请号：JP20110196
申请日：1996-07-11
申请人： MARUI SANGYO KK
发明人： OBARA NORIHIKO
IPC分类号： F16L3/10 , F16L3/14 , F16L3/23
摘要： PROBLEM TO BE SOLVED: To support a pipe securely with high precision by attaching it to a vertical piece of a metal fitting main body in the substantial U-shape in which through holes for engagement are drilled in adequate upper and lower sections of a protruding piece formed at the central part thereof by engaging upper and lower ends of a band member which grips the pipe with the transparent holes for engagement of the metal fitting main body. SOLUTION: A metal fitting main body 1 is formed into the substantial U-shape by forming a protruding piece 3 at the center of a vertical piece 2 and forming latching pieces 4, 4 at both upper and lower ends. When a pipe B is attached in an adequate section of a hoisting bolt A, knotched sections 5, 5 are fitted in a hoisting bolt A, are latched, and are fixed by folding down the latching pieces 4, 4 inward. At this time, the protruding piece 3 is fixed in a condition in which it comes into contact with the hoisting bolt A. Next, a mounting piece 8 on an upper side of a band member 7 is removed from a through hole 6 of the metal fitting main body 1, and the pipe B is arranged. Then, the band member 7 is folded down inward and inserted in a large long hole in a proper section of the hole 6... down to a knotched section 9 of the mounting piece 8, and a hand is released to hook and fix it in a small slot part of the hole 6.

4. 发明专利

JPH09316876A CAVITY MOLDING IN PILE HEAD IN EXISTING PILE 失效
公开(公告)号：JPH09316876A
公开(公告)日：1997-12-09
申请号：JP15317996
申请日：1996-05-25
申请人： MARUI SANGYO KK
发明人： DEGUCHI MASAKI
IPC分类号： E02D5/34 , E02D5/38
摘要： PROBLEM TO BE SOLVED: To improve execution capability by providing a ring plate made of a synthetic resin or the like, which is attached to the bottom part of a cylindrical main body and includes a water expansion rein body integrally in its penetrated inner peripheral part. SOLUTION: After a cylindrical main body 1 is pushed into the head part required depth of an existing pile P, an anchor bar B is put through an attached part 41 and welded and fixed to a casing part in the upper surface of the existing pile P. Then, concrete milk is injected into the existing pile P, passed through a disk plate 3, a ring plate 2, a disk plate 3 and the bottom part of a cavity molding 1 and thereby the cylinder is filled with the concrete milk inside. Then, a water expansion resin body provided in the inner peripheral part of the ring plate 2 absorbs water contained in the concrete milk C and, since its upper and lower surfaces are held between the disk plates 3, expansion concentrates in the horizontal section direction of the concrete milk C passed through its inner peripheral part. Thus, the concrete milk part in the hardened part thereof is made thin and, by further absorption of water, cracks easily occur in the remaining concrete milk part.

5. 发明专利

JPH09310494A ASSEMBLING METAL FITTING FOR CONCRETE FORM 失效
公开(公告)号：JPH09310494A
公开(公告)日：1997-12-02
申请号：JP15003896
申请日：1996-05-20
申请人： MARUI SANGYO KK
发明人： HIRATA TATSUSATO
IPC分类号： E04G17/02
摘要： PROBLEM TO BE SOLVED: To simply assemble a form by providing side by side right and left supporting pieces formed with a chamfering piece at the crossing part and a pinchedly holding piece pinchedly holding concrete forms, fitting bolts to the pinchedly holding piece capably of being advanced ant retreated. SOLUTION: A chamfering piece 3 is provided at the crossing part of right and left supporting pieces 1, 2 and they are integratedly formed. Right and left pinchedly holding pieces 4, 5 having screw parts 8 and a connecting piece 6 in the center are integratedly formed. The connecting piece 6 is piled up on the outer face of the chamfering piece 3 and fixedly secured by rivets 7. When concrete formworks are assembled, the concrete formworks are respectively mounted between the supporting pieces 1, 2 and the pinchedly holding pieces 4, 5, bolts 9 fitted to the pinchedly holding pieces 4, 5 are inserted into the screw part 8 of the connecting piece, and fastened ant fixed.

6. 发明专利

JPH09310410A INSERT FOR BUILDING 失效
公开(公告)号：JPH09310410A
公开(公告)日：1997-12-02
申请号：JP15003996
申请日：1996-05-20
申请人： MARUI SANGYO KK
发明人： OBARA NORIHIKO
IPC分类号： E04B5/40 , E04B1/41 , E04G9/10
摘要： PROBLEM TO BE SOLVED: To reduce cost and save labor for a work by integratedly forming first and second spring pieces on the outside of a cylindrical supporting tool, and fitting a buried tool inside the upper part of the cylindrical supporting tool. SOLUTION: This insert for building is constituted so that first spring pieces 2 projecting in chevron downward on the right and left of the upper part, and second spring pieces 3 projecting chevron-likely upward on the front and rear of the lower part, are formed integratedly with the outside of a cylindrical supporting tool 1, and a buried tool 4 integratedly provided with a flange-like anchor part 5 and a female screw part 6 is fitted inside the upper part of the supporting tool 1. Next by pushing this insert in the through hole of a deck plate formwork P from the lower end of the supporting tool 1, the spring pieces 2, 2 are pushedly spread out, the spring pieces 3, 3 are once made narrower, restored simultaneously with passing the through hole, and hence it is fitted in the condition of pressing the formwork P from both sides. Because the insert is constituted of two parts, the supporting tool 1 and buried tool 4, the cost can be reduced, easily supported with the formwork P by spring action of the spring pieces 2, 3, and the labor saving of the work can be attained.

7. 发明专利

JPH09291706A CORNER JOINT FOR TEMPORARILY HANDRAIL 失效
公开(公告)号：JPH09291706A
公开(公告)日：1997-11-11
申请号：JP13090296
申请日：1996-04-26
申请人： MARUI SANGYO KK
发明人： ICHIKAWA TOSHIO , OBARA NORIHIKO
IPC分类号： E04G21/32 , E04G5/00 , E04G1/26
摘要： PROBLEM TO BE SOLVED: To improve workability by forming straight positions at both ends of a steel pipe curved in a circular-arc along a corner part and providing hooking pieces projecting toward the center of the steel pipe at the inside of the straight portions of the steel pipe. SOLUTION: A joint is constructed in such a manner that straight parts 2 are formed at both ends of a steel pipe 1 in a circular-arc along a corner part and hooking pieces 3 projecting from the outer periphery of the steel pipe 1 to its center oppositely to each other in the straight parts 2. For providing a temporary handrail in the corner part, after one end of a single pipe joint is inserted into one handrail lateral member end part and fixed, one straight part 2 is fitted around the other end of the single pipe joint and the depth setting part of the single pipe joint is rotated so as to be hooked in the hooking piece 3 and fixed. Further, the single pipe joint and the other handrail lateral member are attached to the other straight part 2 in a similar manner. Thus, safety is increased because of no projecting parts, and joining is simply performed by using the single pipe joint daily used for single pipe joining.

8. 发明专利

JPH09234710A PREPARATION OF PLYWOOD FOR CONSTRUCTION 失效
公开(公告)号：JPH09234710A
公开(公告)日：1997-09-09
申请号：JP7112596
申请日：1996-02-29
申请人： MARUI SANGYO KK
发明人： HIRATA TATSUSATO
IPC分类号： B27N3/04 , E04F13/16 , E04G9/02
摘要： PROBLEM TO BE SOLVED: To utilize industrial waste materials and to obtain an inexpensive plywood without using an adhesive as a binder by kneading wood powder prepd. by grinding waste materials of wood with synthetic resin fibers such as cut waste of textile products by heating and performing compression molding of the mixture. SOLUTION: Waste materials such as skins and cut ends of wood stored in a stock warehouse 1 are ground into wood powder by means of a grinder 2. Then, the ground wood powder and a synthetic resin-made fiber which is once melted such as cut waste are kneaded in a kneader 3. The kneaded mixture is molded into a proper size by means of a compression molding machine 4 and by cooling it as it is, the fiber made of the synthetic resin is hardened again and the shape is stabilized. Both the wood powder and the fiber made of the synthetic resin are industrial wastes and costs of the materials are inexpensive and therefore, an inexpensive plywood can be obtd. In addition, as the industrial wastes are effectively utilized, saving of resources is accelerated and it acts a roll for protection of environment.

9. 发明专利

JPH09195507A JOINT-BAR SUPPORT MOLDING TOOL AT OPENING OF ARCHITECTURAL CONCRETE FLOOR 失效
公开(公告)号：JPH09195507A
公开(公告)日：1997-07-29
申请号：JP2456796
申请日：1996-01-17
申请人： MARUI SANGYO KK
发明人： FUKUTOMI SHINYA , SHIMIZU KOICHI
IPC分类号： E04G15/00
摘要： PROBLEM TO BE SOLVED: To facilitate a reinforcing work of an opening, by fitting a drawing-out tool which has a specified length in the depth and a width reduced from the upper side toward the lower side, at appropriate side faces of a form in which the four side plates are decomposably combined. SOLUTION: Four plates 5, 6 are assembled to be decomposable at the corners and shape a form 4. A drawing-out tool 1 which has a specified length A in the depth and a width W reduced from the upper side toward the lower side is fitted to an appropriate outside face of longer side plates 5, 6 of the form 4 with a bolt 3. This form 4 is nailed at a specified position on a concrete form P and concrete is placed to construct a concrete floor C. Then the form 4 is removed to form an opening on the concrete floor C. And an insertion reinforcing metal is pushed in the narrow groove at the lowermost part in a cavity formed at the side face of the opening. Thereafter, a plywood form or the like is arranged to contact the lower face of the opening and concrete is replenished in the opening to complete a repair work.

10. 发明专利

JPH08340620A FIXTURE FOR PREVENTING BIRD HAZARD 失效
公开(公告)号：JPH08340620A
公开(公告)日：1996-12-24
申请号：JP16797795
申请日：1995-06-08
申请人： MARUI SANGYO KK
发明人： FUKUTOMI SHINYA
IPC分类号： H02G7/00
摘要： PURPOSE: To prevent an accident due to bird hazards on high/low-voltage electric wires and a cable and an accident due to snow accretion at a cold area by providing N or S magnet on the outer-periphery surface of a fixed side inner wheel and N or S magnet which repels the N or S magnet in an inner wheel at the fixed side on the inner-periphery surface of an outer wheel in one piece. CONSTITUTION: A preventing tool consists of a fixed-side inner wheel 1 which is formed so that it can be placed, for example, on an electric wire and an outer wheel 6 with a blade 7 placed so that it can freely rotate in the direction of circumference along the outer-periphery surface of the inner wheel 1 and N or S magnet 3 is provided in one piece on the outer-periphery surface of the inner wheel 1 and N or S magnet 10 which repels the N or S magnet of the inner wheel 1 is provided in one piece on the inner-periphery surface of the outer wheel 6. Then, by placing it on high/low- voltage electric wires and a cable B, the outer wheel 6 with the blade 7 rotates or turns in an arbitrary direction due to wind since the inner wheel 1 and the outer wheel 6 are constantly separated due to the mutual repulsion force of the magnets 3 and 10, thus preventing birds from flying to and landing on the electric wires and the cable B and an accident due to, for example, the accretion of snow.

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