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JP3242995U |
A cradle pre-embedded bellows positioning device and its construction structure are provided, which have a good stabilizing effect and are less likely to be deformed due to displacement and concrete placement. A positioning device includ...
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JP7304661B2 |
To provide a penetration frame capable of reducing workload at a construction site and improving a strength relative to a load from a floor part.A penetration frame 10 according to the invention is characterized in that a frame body 20 c...
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JP3242544U |
The present invention provides a pipe sleeve device that allows one person to simply and easily fix a reinforcing steel structure to a wooden frame. A pipe sleeve device (10) is installed between wooden frames for constructing a reinforc...
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JP7269769B2 |
To provide an air tube capable of surely preventing leakage of concrete or the like from a concrete placing space.An air tube 1A forms a concrete placing space or closes a gap in the concrete placing space. The air tube 1A comprises an u...
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JP3241428U |
To provide a fixing device for a suspended form that prevents the suspended form from falling off, is convenient for removal and replacement, can be applied to the seams of buildings of different widths, and improves the flexibility of u...
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JP2023012068A |
To provide a void device that can be reused when forming a vertical hole in a concrete surface while eliminating the need for disposal work with a reduced cost.A void device that forms a vertical hole in a concrete surface when placing c...
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JP7185957B1 |
A wooden PC form that can be used in a precast construction method and can improve the positional accuracy of die-cutting. A wooden formwork for producing a concrete member by a PC construction method, comprising a side frame, an end fra...
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JP7180897B2 |
To form the desired foundation through-hole by making it difficult for concrete at the time of placing to enter the inside of a cylindrical member forming the foundation through-hole.A foundation penetration sleeve 1 is provided with a c...
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JP7162718B1 |
The object of the present invention is to provide an inspection window opening and closing mechanism and a tunnel lining form that can smoothly open and close the shield plate and ensure high quality of the lining concrete by separately ...
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JP7149674B1 |
The present invention provides a shipping opening formwork that facilitates position adjustment of slab reinforcement insertion holes and removal after concrete has hardened, and that can be manufactured at low cost, and a method of form...
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JP3239204U |
An end protector capable of suppressing or preventing deformation of an end of a hollow cylindrical duct even if the wall of the duct is thin. An end protector (24) is inserted inside the end of a hollow cylindrical duct (7), the outer p...
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JP7134854B2 |
To provide a partition frame set for a communication port capable of easily forming the communication port formed in the middle of a rising part of a foundation such as a continuous footing and a mat foundation in concrete placing.A part...
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JP7124253B2 |
To fix a mold frame for through hole formation to a temporary frame without fixed to reinforcement bars at the time of through hole formation in concrete placing.Plugs 40 and 20 are installed in both ends 100T1 and 100T2 of a mold frame ...
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JP7123680B2 |
To provide a fixing part structure to a metal bar which can be fixed to a metal bar.A fixing part structure 3 includes: a fixed base part 5; arm parts 6 extending from the fixed base part 5 and made of synthetic resin; and metal claw par...
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JP7121889B2 |
To provide an enlarged bottom hole forming member capable of simplifying the formation of an enlarged bottom hole, and a method for using the enlarged bottom hole forming member.An enlarged bottom hole forming member 10 for forming an an...
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JP7103576B2 |
To easily ensure the cover thickness around a through hole.A positioning jig 10 comprises a frame 12 showing an area where a through hole can be formed in which the cover thickness is secured even after placing concrete on a deck plate 2...
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JP2022083559A |
To allow piping to be buried by easily and simply closing a gap between a penetration hole and the piping by work on a floor above the ground, without requiring high-place work from an underground floor where the piping penetrates.A slee...
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JP2022082868A |
To provide a sleeve capable of easily coping with the size of a through-hole, a through-hole structure, and an installation method of the sleeve.A sleeve 20 has a peripheral wall 21 formed in a square frame shape by combining four bent m...
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JP7068926B2 |
To provide a junction structure for form panels capable of easily connecting form panels to each other.A junction structure for form panels is configured in a way that: an end part of one form panel 32 overlaps on an end part of the othe...
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JP7059486B2 |
To provide a construction method of slab through-holes which can secure the pre-determined coverage thickness between steel bars arranged in the slab and through-holes formed in the slab.A construction method of slab through-holes includ...
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JP2022059863A |
To provide a method of covering a sleeve pipe opening capable of covering the opening of the sleeve pipe easily and suitably.A covering body 4 having a body part 4a in a bag shape and an extendable annular fastening part 4b mounted to an...
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JP7053309B2 |
To provide a post attaching hole forming device and a method of using a post attaching hole forming device which can position a formwork for forming an attaching hole, which securely forms an attaching hole in a desired shape, and which ...
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JP2022052744A |
To provide a treatment tool which allows easy work for filling a clearance between a long-length body and a partitioning penetration hole.A treatment tool comprises: a sleeve 4 in which a partitioning penetration hole 3 is formed at a pa...
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JP7045248B2 |
To provide a form for slit formation and a slit formation method allowing easy and quick form removal work, by allowing easy and quick removal of a slit formation member.A form for slit formation has two slit forming formwork plates 1, 2...
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JP2022045148A |
To provide a form for a temporary opening capable of easily mounting a bottom plate form for closing the temporary opening provided in the construction work of a reinforced concrete building.A form for a temporary opening is constituted ...
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JP7028542B2 |
A sleeve (10) that is disposed prior to the pouring of concrete (3) in order to form a partitioned through-hole (16) in the concrete (3) is provided with a hollow sleeve body (12) containing a thermally expansible fire-resistant resin ma...
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JP3236493U |
To provide a concrete formwork in which a die-cutting formwork is formed in a stretchable joint part of a concrete pavement to form a joint part, and the molded joint part is integrated to facilitate demolding. When a joint corresponding...
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JP3235453U |
To provide a concrete placing device capable of smoothly installing and removing a ruler member and preventing damage to all screw bolts. This is supported by a ruler member 2 that defines an upright all-screw bolt 3, a ruler member 2 th...
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JP2021185287A |
To provide a sleeve installable in short time and having excellent workability, and to allow easy recognition of use of the sleeve.An inner cap 200, a seal ring 300 and an outer cap 400 are attached to the opening end of a sleeve body 10...
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JP6941910B1 |
To provide a high-strength lid for covering an opening provided by penetrating a floor using a void tube. A disk having a diameter larger than the diameter of the opening and having a thickness of 1.5 mm or more, a joint portion to the d...
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JP2021139392A |
To provide a fire-retardant sleeve that can be easily discriminated even in a dark environment and at a distance, and an inspection method for the sleeve.The present invention relates to a sleeve 1 that is used to form in an architectura...
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JP6906340B2 |
To form a hollow column for forming a hollow face in which adhesion between the precast part of an outer shell and post-deposited concrete in a hollow part is satisfactory.Provided is a hollow frame device for a PC molding a concrete col...
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JP6898003B2 |
To provide a grout opening part clogging plug free from the need of a cutting operation, and further suitable for suppressing the force working in a removal direction.A plug 1 is used for clogging a grout opening part or the like. A stat...
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JP6874051B2 |
To provide a method for constructing a groove which simplifies finishing of a drainage ditch and can shorten a process.A method for constructing a groove that forms a groove on a concrete floor surface includes at least a receiving frame...
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JP6867155B2 |
To provide a sleeve having a strength against an external impact and adhesion of an expansion residue to concrete.A sleeve 1 for forming a compartment penetrating hole on a floor or wall of a building has a second cylindrical body 20 hav...
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JP6865883B1 |
To provide a holder for a sleeve capable of ensuring a concrete cover thickness required for a reinforcing bar in the immediate vicinity of the sleeve at a place where a sleeve for forming a piping passage is installed at a reinforcing b...
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JP2021055270A |
To provide a drain passage forming method for a foundation concrete structure, which can sufficiently drain water even when rainwater accumulates in an internal region surrounded by a wall rising from a bottom plate such as a mat foundat...
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JP2021042537A |
To hold a perforation position even when receiving static pressure or flow pressure of concrete without impairing work safety in construction work.A perforation position indication marker 1 of the present invention includes a marker body...
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JP2021038610A |
To provide a biodegradable block that does not collapse when ready-mixed concrete is cast around and can maintain excellent strength for a desired period of time, and provide a structure and a demolition method.Provided are: a biodegrada...
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JP6837876B2 |
To provide a construction method of a floor and a sleeve capable of securely fixing a floor form even made of a thick steel plate and easily forming a predetermined through hole as well as preventing lime wash and like from leaking out.A...
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JP2021032050A |
To provide an earthquake resistant structure which reduces construction time and labor by construction without positional deviation of a slit material and allows slits for earthquake resistance to be formed in necessary parts, and a meth...
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JP6823574B2 |
To provide a penetration sleeve having preferable workability.A penetration sleeve 1 installed on a through-hole which penetrates a wall in a building from the front side to the back side includes a main body part 2 which is inserted to ...
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JP6792917B1 |
To deform a void pipe by hitting it with a special tool or a crowbar or to tear it while peeling it from the concrete because the void pipe becomes in a state of being adhered to the concrete when the concrete is hardened. Since it has b...
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JP6791618B2 |
To provide a sleeve which is excellent in fire resistance and which facilitates construction of a compartment penetration structure.A sleeve placed before placement of concrete 3 to form a compartment penetration hole 16 in the concrete ...
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JP6788241B2 |
To provide a buried member for an opening, a construction method for an opening structure using thereof, and the opening structure, being favorably used in a construction to form a window and like on an outer wall of a building.A buried ...
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JP6778987B2 |
To provide a formwork for concrete molding and a manufacturing method thereof, which can reduce dents such as air pockmark appearing on a step of a concrete surface when concrete with a stepped surface is manufactured, and a manufacturin...
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JP6747640B2 |
To allow easy attachment and detachment to and from a body frame side of a covering formwork and prevent a gap from forming in a connecting part between the covering formwork and a body frame, for a slab opening formwork for forming open...
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JP6742127B2 |
To reduce workload of an open hole forming work on a body to be constructed that is molded using a hardener and aftertreatment.An open hole forming formwork 1 is a formwork of an open hole formed on a body to be constructed that is molde...
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JP6737722B2 |
To reduce a construction period to construct a skeleton having joints.A skeleton joint has a joining material 14 disposed between the concrete facing surfaces of adjacent compartment areas 15, and a cut-off plate 21 that is provided on t...
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JP6734134B2 |
To provide a cap capable of completely burying a gap between a through-hole formed in a partition body and a pipe penetrating through this when a fire disaster occurs.A cap 30 is formed in a partition body 6 and provided in one end of a ...
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