KR101000512B1 - A insert for after the construction possible - Google Patents

A insert for after the construction possible Download PDF

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Publication number
KR101000512B1
KR101000512B1 KR1020100082658A KR20100082658A KR101000512B1 KR 101000512 B1 KR101000512 B1 KR 101000512B1 KR 1020100082658 A KR1020100082658 A KR 1020100082658A KR 20100082658 A KR20100082658 A KR 20100082658A KR 101000512 B1 KR101000512 B1 KR 101000512B1
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KR
South Korea
Prior art keywords
coupling
bolt
groove
formwork
insert
Prior art date
Application number
KR1020100082658A
Other languages
Korean (ko)
Inventor
허동석
Original Assignee
허동석
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 허동석 filed Critical 허동석
Priority to KR1020100082658A priority Critical patent/KR101000512B1/en
Application granted granted Critical
Publication of KR101000512B1 publication Critical patent/KR101000512B1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/12—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like
    • F16B13/124—Separate metal or non-separate or non-metal dowel sleeves fastened by inserting the screw, nail or the like fastened by inserting a threaded element, e.g. screw or bolt
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

The present invention relates to an insert capable of post-construction, which is coupled to a groove formed at an arbitrary position of the formwork, and has a locking portion formed on one side and a plurality of wedge-shaped wedges formed on the outside and the locking portion and high A coupling having a through groove formed through the inside of the government, an insertion portion corresponding to the through groove of the coupling, a coupling portion formed with a diameter smaller than the insertion portion to one side of the insertion portion, and the other insertion portion; Is formed with a diameter larger than the insertion portion to the side is in close contact with the other side of the fixing portion and the bolt is formed with a handle to the other side of the contact portion, and the coupling groove and the coupling groove is inserted into the coupling portion of the bolt inward to be connected to Insertion bolt formed with a nut groove formed with a smaller diameter than the coupling groove and a plurality of wedge-shaped locking wedges formed outside Made part formed bolted.
The present invention can be installed using the coupling, bolts, bolt coupling to the form even after installing the formwork to install the anchor bolt to the building structure, the operator does not need to combine the bolt coupling to the form due to the immature or mistake of the operator It is easy to visually check the installation of the bolt and bolt coupling portion from the outside of the formwork, there is an advantage that can be installed on the formwork anchor bolt using the bolt coupling portion without dismantling the formwork again.

Description

Insert for after construction {A insert for after the construction possible}

The present invention relates to an insert capable of post-construction, and after coupling the coupling to the formwork, the bolt coupling portion used to fix the anchor bolt to the building structure, even after installing the formwork coupled coupling form the building structure The bolt coupling portion can be installed, and the post-installation is possible to the user can easily install the bolt coupling portion at any time before and after the construction of the formwork.

In general, in order to install anchor bolts on a building structure, insert bolts to which anchor bolts are coupled to the formwork before placing concrete, and fixing devices that can be fixed to the formwork using nails before the formwork is installed. After fixing, insert bolts were used in combination with the fixing device.

However, if the fixing device is installed in the formwork before inserting the formwork as described above and inserting the insert bolt into the fixing device, the insert bolt is inserted into the fixing device of one minute among the fixing devices installed due to the immature or mistake of the operator. If the worker is not aware of the installation of the insert bolts, he must remove the formwork installed in the form of the building structure, insert the insert bolts into the fixing device to which the insert bolts are not coupled, and install the form bolts again. If the installation is not recognized, after the concrete is poured and cured, drill the hole into which the insert bolt can be inserted into the concrete, insert the anchor bolt or the insert bolt to which the anchor bolt is coupled, and fill the hole again. There was a problem.

The post-installable insert of the present invention is coupled to a groove formed at an arbitrary position of the formwork, and a fixing portion formed with a locking portion on one side and a plurality of wedge-shaped wedges are formed on the outside and the locking portion and the inner portion of the fixing portion. A coupling having a through groove formed therethrough, an insertion portion corresponding to the through groove of the coupling, a coupling portion formed with a diameter smaller than the insertion portion to one side of the insertion portion, and an insertion portion to the other side of the insertion portion. Is formed with a larger diameter but is in close contact with the other side of the fixing portion and the bolt is formed with a handle to the other side of the contact portion, the coupling groove and the coupling groove is inserted into the coupling portion corresponding to the coupling groove inward than the coupling groove Ball formed of an insertion bolt that is formed with a nut groove formed of a small diameter and a plurality of wedge-shaped locking wedges formed outside Made parts combined.

As described above, the present invention can be installed using the coupling, bolt, bolt coupling part to the mold even after installing the formwork to install the anchor bolt to the building structure, bolt coupling part to the formwork due to the immature or mistake of the operator The operator can easily check the installation of the bolt and bolt coupling visually from the outside of the formwork, there is an advantage that can be installed in the formwork anchor bolt using the bolt coupling without removing the formwork again.

The wedge-shaped fixing portion is formed outside the coupling, and when the coupling is fixedly coupled to the formwork, the coupling is not buried in the concrete without being easily detached from the form form due to the weight of the self or the tension of the concrete. And there is an advantage to prevent breakage or damage of concrete.

In addition, when the coupling is coupled to the formwork, by directing the engaging portion formed in the coupling in the concrete direction to be cast by the formwork, so that the fixing portion does not face the inner side of the formwork but to the outside, the length of the fixing portion and the formwork. Regardless of the thickness, it can be installed in the formwork of various thicknesses, by preventing the fixing portion is attached to the concrete, there is an advantage that a part of the concrete is not damaged by the fixing portion when removing the formwork after the concrete is cured.

In addition, when coupling the coupling and the bolt, the through groove of the coupling and the insertion portion of the bolt is coupled in the form of bolts and nuts, so that the operator can conveniently combine the coupling and bolts by coupling in the form of a double screw There is an advantage.

In addition, by forming the anti-rotation portion in the coupling and the anti-shake jaw in the bolt coupling portion, there is an advantage that the coupling does not drift from the formwork, when the bolt coupling portion is buried in concrete and the bolt coupling portion does not easily drift.

In addition, there is an advantage that can be easily produced when the bolt is formed by the injection groove to the inside of the bolt injection molding.

1 is an exploded perspective view of an insert capable of post-construction of the present invention.
Figure 2 is a cross-sectional view of the insert capable of the present inventors.
3 to 5 is a state of use of the insert can be post-constructor of the present invention.

Looking at the configuration of the present invention for achieving the above object is as follows.

First, the post-construction capable insert 50 of the present invention includes a coupling 10, a bolt 20, and a bolt coupling part 30, as shown in FIGS. 1 to 5.

The coupling 10 is coupled to the groove (h) formed at any position of the formwork 1, the engaging portion 11 is formed on one side and a plurality of wedge-shaped wedges 12 are formed on the outside The fixing part 13 and the through part 14 formed through the inside of the locking part 11 and the fixing part 13 are formed.

In addition, the bolt 20 is formed to have a diameter smaller than the insertion portion 21 to one side of the insertion portion 21 and the insertion portion 21 is inserted corresponding to the through groove 14 of the coupling 10. The other side of the coupling portion 22 and the insertion portion 21 is formed with a larger diameter than the insertion portion 21, but the close contact portion 23 and the close contact portion 23 of the fixing portion 13 is in close contact with The handle 24 is formed on the other side.

In addition, the bolt coupling portion 30 is connected to the coupling groove 31 and the coupling groove 31 in which the coupling portion 22 of the bolt 20 is correspondingly inserted, but smaller than the coupling groove 31. A nut groove 32 formed in diameter is formed and is formed of an insertion bolt 34 having a plurality of wedge-shaped locking wedges 33 formed on the outside thereof.

In addition, the engaging portion 11 of the coupling 10 forms an anti-rotation portion 16 having a fixing groove 15 formed therein to couple the coupling 10 to the formwork 1, and then the fixing groove 15 By coupling the coupling member, such as a nail, to the c), it is preferable to prevent the coupling 10 from turning away from the formwork 1.

In addition, when the bolt 20 is manufactured by injection, it is preferable to form the circulation groove 25 inside the bolt 20 so that the bolt 20 can be easily separated from the mold.

In addition, by forming the anti-shake jaw 35 to the outside of the insertion ball 34 formed in the bolt coupling portion 30 to prevent the bolt coupling portion 30 from turning inside the concrete placed in the formwork (1). desirable.

Looking at the operation according to a preferred embodiment of the present invention having the configuration as described above are as follows.

First, as shown in FIG. 3, the formwork 1 is installed in the form of a building structure, and the drill bolt (not shown in the drawing) is installed on the formwork 1 by grasping the position where the anchor bolt (not shown) is to be inserted. The groove h is formed at an arbitrary position of the formwork 1 by using a device for forming a hole as shown in FIG.

Then, the coupling 10 is inserted into the groove h, and the fixing portion 13 is formed in the formwork 1 while the engaging portion 11 formed in the coupling 10 faces the inside of the formwork 1. Coupling 10 is coupled to the outside of the coupling.

Here, the reason for coupling the engaging portion 11 of the coupling 10 to the inner side of the formwork 1 is coupled to the depth of the groove h to which the coupling 10 is coupled according to the type of formwork 1. Is formed in various ways so that the fixing portion 13 formed on the coupling 10 can be exposed to various depths without being exposed to a constant depth to the inside of the formwork 1, (To be positioned inward of 10, the thickness of the fixing portion 13 is relatively thin compared to the fixing portion 13, so even if the locking portion 11 is buried in the concrete (c) is cured concrete (c) This is because, when the formwork 1 is separated from the concrete c, breakage of the concrete c by the locking portion 11 can be prevented.

In addition, when coupling the coupling 10 to the groove (h) of the formwork (1), by coupling the groove (h) and the coupling 10 of the formwork (1) by coupling method (10) It can be firmly fixed to the formwork (1), by using the anti-rotation portion 16 formed in the engaging portion 11 to be firmly fixed without coupling 10 in the formwork (1). It may be.

If this is described in detail, after coupling the coupling 10 to the groove (h) of the formwork (1), the fixing groove (15) formed in the anti-rotation portion 16 of the coupling (10) inside the formwork (1) When the coupling 10 is fixed using a coupling member (not shown in the drawing) such as a nail (not shown in the drawing) or a pin (not shown in the drawing), the coupling 10 is formed of a die (1). ) So that the user can easily fix the coupling (10) to the formwork (1) so as not to fall out.

In addition, a wedge-shaped wedge 12 is formed in the fixing portion 13 of the coupling 10, and when the coupling 10 is coupled to the formwork 1, the wedge 12 is formed by the wedge 12. In 1) the coupling 10 is not easily separated.

After coupling the coupling 10 to the formwork 1 as described above, to form the formwork 10 in the form of a building structure according to the user's purpose.

Here, after coupling the coupling 10 to the formwork (1), the formwork (1) may be installed in the form of a building structure or the coupling (10) may be coupled while installing the formwork (1).

And, as shown in Figure 4 to couple the bolt 20 and the bolt coupling portion 30, the coupling portion 22 formed in the bolt 20 to the insertion bolt 34 of the bolt coupling portion 30 Inserted into the coupling groove 31 formed in the), when the bolt 20 and the bolt coupling portion 30 is coupled to the user grips the handle 24 formed on the bolt 20 bolt 20, bolt coupling portion ( 30) to be coupled to the coupling 10 coupled to the formwork 1.

In detail, after coupling the bolt 20 and the bolt coupling portion 30, the user grips the handle 24 of the bolt 20, the coupling groove 31 of the bolt coupling portion 30 is formed Insert the bolt coupling portion 30 into the through groove 14 of the coupling 10 from the direction so that the insertion portion 21 formed in the bolt 20 is coupled to the through groove 14 of the coupling 10. Let's do it.

Here, the through groove 14 of the coupling 10 and the insertion portion 21 of the bolt 20 are coupled in the form of a male screw and a female screw, and the through groove 14 and the insert portion 21 are provided in two rows. When the user forms the screw to couple the bolt 20 and the bolt coupling portion 30 to the coupling 10, the coupling 10 and the bolt 20 are simply coupled with a small force and a small rotational force. Be sure to

Although the through groove 14 and the inserting portion 21 may be manufactured in the form of a general single-threaded male and female threads, the coupling grooves 10 and the bolt 20 may be manufactured by the user in a single rotation by forming two-threaded screws. ) Can be combined easily and quickly.

In addition, the through groove 14 and the insertion portion 21 may be manufactured to be coupled to the male screw and the female screw shape, and the through groove 14 so that the user can more easily combine the insertion portion 21 in the through groove 14. ) And the insertion portion 21 may be formed in a cylindrical form without forming a screw.

In addition, when the bolt 20 and the bolt coupling portion 30 is coupled to the coupling 10, the coupling portion 22 is made smaller in size than the inserting portion 21 so that the user connects the bolt 30 to the coupling portion 30. ) Is inserted into the through groove 14 of the coupling 10 and the contact portion 23 is made larger than the insertion portion 21 so that the contact portion 23 of the coupling 10 By making the shape to be caught by the fixing portion 13, when the bolt 20 is coupled to the coupling 10, the bolt 20 does not pass through the coupling 10 to fall inside the formwork (1).

Then, the bolt 20 and the bolt coupling portion 30 to the coupling 10 until the contact portion 23 formed on the bolt 20 is in close contact with the fixing portion 13 of the coupling 10. To combine.

On the other hand, after coupling the coupling 10, the bolt 20, the bolt coupling portion 30 to the formwork (1), the concrete (c) is poured into the formwork (1) to cure.

Then, as shown in FIG. 5, when the concrete (c) is cured and the formwork (1) is separated from the concrete (c), the bolt coupling portion (30) is fixed to the formwork (1) inside the concrete (c). ) And the coupling 10 and the bolt 20 coupled to the formwork 1 are separated from the concrete (c).

After the concrete (c) is cured as described above, the mold (1) may be separated from the concrete (c) in a state in which the coupling (10) and the bolt (20) is coupled to the formwork (1), the user bolts Rotating the handle 24 of the (20) to first separate the bolt (20) coupled to the coupling 10 and the bolt coupling portion 30, the formwork (1) may be separated from the concrete.

Then, after removing the formwork 1 from the concrete (c), the user can manually detach the coupling 10 coupled to the formwork 1 or use a tool such as a hammer (not shown). E) can be separated using.

In addition, when the formwork 1 is separated from the concrete (c), even if the engaging portion 11 of the coupling 10 coupled to the formwork 1 is buried in the concrete (c) the coupling (10) The fixing part 13 and the rotation preventing part 16 are firmly fixed to the formwork 1, so that they are easily spaced apart from the concrete c in the state of being firmly fixed to the formwork 1.

Then, the user is to insert the anchor bolt (not shown in the figure) that the user wants to install into the coupling groove 31 and the nut groove 32 of the bolt coupling portion 30 located inside the concrete (c) will be.

At this time, the wedge-shaped locking wedge 33 is formed on the outside of the insertion bolt 34 formed in the bolt coupling portion 30, after pouring concrete (c) formwork (1), coupling (10) , Even if the bolt 20 is separated from the concrete (c), the bolt coupling portion 30 is firmly fixed to the concrete (c) without being separated from the concrete (c), the length of the insertion bolt 34 By the anti-shake jaw 35 formed to the outside of the bolt (c) in the interior of the concrete (c) is not easy to run so that the user can easily couple the anchor bolt to the bolt coupling portion (30).

In addition, the nut groove 32 of the bolt coupling portion 30 is formed smaller than the coupling groove 31 so that the user can easily couple the anchor bolt to the nut groove 32.

On the other hand, when the user manufactures the bolt 20, but may be produced in a variety of ways to reduce the production cost by manufacturing the bolt 20 by injection molding, the circulation groove 25 to the inside of the bolt 20 When it is formed, the external air is circulated through the circulation groove 25 of the bolt 20 during injection molding of the bolt 20, the bolt 20 is easily separated from the production frame (not shown in the drawing) and the production cost The weight of the bolt 20 can be reduced.

As such, when the user installs the anchor bolt on the building structure, the user forms a groove (h) in the formwork (1) at the position where the user wants to install the anchor bolt and couples the coupling (10) to the groove (h). After that, even after the formwork 1 is installed, the bolt 20 and the bolt coupling part 30 can be installed in the formwork 1, so that only the coupling 10 is installed in the formwork 1 by the user's inexperience or mistake. Even if the formwork (1) can be installed without the bolt bolt 20 and the bolt coupling portion 30 can be installed, it is possible to shorten the work time and reduce the work cost while increasing the work efficiency.

In addition, the coupling 10 has a wedge 12 and an anti-rotation part 16, and when the coupling 10 is inserted into the formwork 1, the coupling 10 is formed at the formwork 1. Even if the concrete (c) is poured into the mold (1) to cure, and the mold (1) is separated from the concrete (c), the coupling (10) is firmly fixed to the mold (1) so that the concrete (c In the coupling 10 is to be easily separated.

In addition, by forming the locking wedge 33 and the anti-shake jaw 35 in the bolt coupling portion 30, the bolt coupling portion 30 which is located inside the concrete (c) is not in vain so that the user bolt coupling portion Anchor bolts can be conveniently coupled to (30), and the bolt coupling part 30 does not easily fall out of the concrete due to its own weight or when the formwork 1 is separated from the concrete (c).

10 coupling 11 locking part
12: wedge 13: fixed part
14: through groove 20: bolt
21: insertion portion 22: coupling portion
23: close contact 24: handle
30: bolt coupling portion 31: coupling groove
32: nut groove 33: locking wedge
34: Insertion bolt
50: insert that can be post-installed

Claims (4)

In the insert capable of post-construction to secure the anchor bolt inside the building structure,
It is coupled to the groove (h) formed at any position of the die (1), the locking portion 13 is formed on one side and a plurality of wedge-shaped wedges (12) formed on the outside and the A coupling 10 having a through groove 14 formed to penetrate into the engaging portion 11 and the fixing portion 13;
Insertion portion 21 to be inserted corresponding to the through groove 14 of the coupling 10 and the coupling portion 22 is formed with a diameter smaller than the insertion portion 21 to one side of the insertion portion 21 and the The other side of the insertion portion 21 is formed with a larger diameter than the insertion portion 21, but the close contact portion 23 is in close contact with the other side of the fixing portion 13 and the handle 24 is formed on the other side of the contact portion 23 Bolt 20;
A coupling groove 31 into which the coupling portion 22 of the bolt 20 corresponds to the inside and a nut groove 32 connected to the coupling groove 31 and having a smaller diameter than the coupling groove 31 are provided. An insert capable of a post-construction, characterized in that the bolt coupling portion 30 is formed of an insertion bolt 34 formed with a plurality of wedge-shaped locking wedges 33 formed on the outside thereof.
The insert according to claim 1, wherein the locking portion (11) of the coupling (10) is further formed by a rotation preventing portion (16) having a fixing groove (15).
The insert according to claim 1, wherein the insert is further formed by further including a circulation groove (25) inside the bolt (20).
The post-construction of claim 1, further comprising an anti-shake jaw 35 in the longitudinal direction of the insertion bolt 34 on an outer side of the insertion bolt 34 of the bolt coupling part 30. Possible inserts.

KR1020100082658A 2010-08-25 2010-08-25 A insert for after the construction possible KR101000512B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100082658A KR101000512B1 (en) 2010-08-25 2010-08-25 A insert for after the construction possible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100082658A KR101000512B1 (en) 2010-08-25 2010-08-25 A insert for after the construction possible

Publications (1)

Publication Number Publication Date
KR101000512B1 true KR101000512B1 (en) 2010-12-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101426498B1 (en) 2014-04-03 2014-08-05 김홍남 complex cast-in insert apparatus for concrete
KR102381592B1 (en) * 2020-10-21 2022-03-31 김정래 rebar spacer one-body type complex cast-in insert apparatus for concrete

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001353708A (en) 2000-06-14 2001-12-25 Kana Flex Corporation Kk Insert holding tool, insert component and method for manufacturing molded product
JP2006026916A (en) 2004-07-12 2006-02-02 Jfe Metal Products & Engineering Inc Insert for screwing suspension bolt and insert attaching operation method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001353708A (en) 2000-06-14 2001-12-25 Kana Flex Corporation Kk Insert holding tool, insert component and method for manufacturing molded product
JP2006026916A (en) 2004-07-12 2006-02-02 Jfe Metal Products & Engineering Inc Insert for screwing suspension bolt and insert attaching operation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101426498B1 (en) 2014-04-03 2014-08-05 김홍남 complex cast-in insert apparatus for concrete
KR102381592B1 (en) * 2020-10-21 2022-03-31 김정래 rebar spacer one-body type complex cast-in insert apparatus for concrete
WO2022085907A1 (en) * 2020-10-21 2022-04-28 김정래 Rebar spacer integrated-type multi-purpose complex insert apparatus for embedding in concrete

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