(Coupler Materials) C-U Joint Double-Sleeve Cold-Drawing Rebar Coupler

Using a Hydraulic Machine to Press the Sleeve and Integrate It with the Rebar
The coupler is composed of two right-handed sleeves and a high-strength connecting bolt.

<Material>

• Right-Handed Sleeve Material: Complies with CNS4437 G3103 STKM 13A standards for carbon steel pipes for mechanical structures.
• High-Strength Connecting Bolt: Complies with CNS3229 G3063 SCM 440 standards for chrome-molybdenum steel for mechanical structures.

<Characteristics>

• Meets the 2 million fatigue test cycles and SA-grade rebar coupler inspection standards.
• Complies with the rebar splice requirements specified by the Japan Society of Civil Engineers (JSCE) and the Building Center of Japan (BCJ).
• Conforms to the performance evaluation criteria set by Taiwan's Construction and Planning Agency, Ministry of the Interior, including the “Interim Guidelines for Rebar Coupler Performance Evaluation” and the “Rebar Coupler Construction Specifications and Usage Guidelines”.
• Does not require threading or altering the rebar cross-section at the joint, preserving the original rigidity of the rebar material.
• Cold forging technology allows the sleeve to be integrated with the rebar without heating, maintaining the ductility of the rebar material.
• High-strength bolts ensure stable quality and facilitate easy quality control on-site.

BB#B2-G16H87F-D9

Using a Hydraulic Machine to Press the Sleeve and Integrate It with the Rebar
The coupler is composed of two right-handed sleeves and a high-strength connecting bolt.

<Material>

• Right-Handed Sleeve Material: Complies with CNS4437 G3103 STKM 13A standards for carbon steel pipes for mechanical structures.
• High-Strength Connecting Bolt: Complies with CNS3229 G3063 SCM 440 standards for chrome-molybdenum steel for mechanical structures.

<Characteristics>

• Meets the 2 million fatigue test cycles and SA-grade rebar coupler inspection standards.
• Complies with the rebar splice requirements specified by the Japan Society of Civil Engineers (JSCE) and the Building Center of Japan (BCJ).
• Conforms to the performance evaluation criteria set by Taiwan's Construction and Planning Agency, Ministry of the Interior, including the “Interim Guidelines for Rebar Coupler Performance Evaluation” and the “Rebar Coupler Construction Specifications and Usage Guidelines”.
• Does not require threading or altering the rebar cross-section at the joint, preserving the original rigidity of the rebar material.
• Cold forging technology allows the sleeve to be integrated with the rebar without heating, maintaining the ductility of the rebar material.
• High-strength bolts ensure stable quality and facilitate easy quality control on-site.

(Example of Implementation) C-U Joint Double-Sleeve Cold-Drawing Rebar Coupler

Using a Hydraulic Machine to Press the Sleeve and Integrate It with the Rebar
The coupler is composed of two right-handed sleeves and a high-strength connecting bolt.

• Right-Handed Sleeve Material: Complies with CNS4437 G3103 STKM 13A standards for carbon steel pipes for mechanical structures.
• High-Strength Connecting Bolt: Complies with CNS3229 G3063 SCM 440 standards for chrome-molybdenum steel for mechanical structures.

<Characteristics>

• Meets the 2 million fatigue test cycles and SA-grade rebar coupler inspection standards.
• Complies with the rebar splice requirements specified by the Japan Society of Civil Engineers (JSCE) and the Building Center of Japan (BCJ).
• Conforms to the performance evaluation criteria set by Taiwan's Construction and Planning Agency, Ministry of the Interior, including the “Interim Guidelines for Rebar Coupler Performance Evaluation” and the “Rebar Coupler Construction Specifications and Usage Guidelines”.
• Does not require threading or altering the rebar cross-section at the joint, preserving the original rigidity of the rebar material.
• Cold forging technology allows the sleeve to be integrated with the rebar without heating, maintaining the ductility of the rebar material.
• High-strength bolts ensure stable quality and facilitate easy quality control on-site.

(Coupler Materials) C-U Joint Cold-Forged Threaded Rebar Coupler

Cold-Forged Threaded Rebar Coupler
A coupler that enhances rebar rigidity through cold-forging compression before threading and connecting the rebar.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel materials used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes cold-forging end compression and threading, enhancing the rebar's cross-sectional area at the threaded section. This compensates for the strength loss caused by traditional cutting methods, effectively addressing the issue of strength reduction in quenched steel rebar joints, and achieving the high ductility required by SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Straight metric thread construction ensures reliable connections and simplifies on-site quality control, improving efficiency.
• Adopts three-axis rolling for thread processing, resulting in excellent surface precision and high strength.
• Single-machine processing achieves one-step forming, providing convenience, speed, and savings in manpower and space.

(After Coupler Connection) C-U Joint Cold-Forged Threaded Rebar Coupler

Cold-Forged Threaded Rebar Coupler
A coupler that enhances rebar rigidity through cold-forging compression before threading and connecting the rebar.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel materials used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes cold-forging end compression and threading, enhancing the rebar's cross-sectional area at the threaded section. This compensates for the strength loss caused by traditional cutting methods, effectively addressing the issue of strength reduction in quenched steel rebar joints, and achieving the high ductility required by SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Straight metric thread construction ensures reliable connections and simplifies on-site quality control, improving efficiency.
• Adopts three-axis rolling for thread processing, resulting in excellent surface precision and high strength.
• Single-machine processing achieves one-step forming, providing convenience, speed, and savings in manpower and space.

(Example of Implementation) C-U Joint Cold-Forged Threaded Rebar Coupler

Cold-Forged Threaded Rebar Coupler
A coupler that enhances rebar rigidity through cold-forging compression before threading and connecting the rebar.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel materials used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes cold-forging end compression and threading, enhancing the rebar's cross-sectional area at the threaded section. This compensates for the strength loss caused by traditional cutting methods, effectively addressing the issue of strength reduction in quenched steel rebar joints, and achieving the high ductility required by SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Straight metric thread construction ensures reliable connections and simplifies on-site quality control, improving efficiency.
• Adopts three-axis rolling for thread processing, resulting in excellent surface precision and high strength.
• Single-machine processing achieves one-step forming, providing convenience, speed, and savings in manpower and space.

(Coupler Materials) C-U Joint Friction Two-Piece Rebar Coupler

C-U Joint Friction Two-Piece Rebar Coupler
The male and female threaded sleeves are friction-welded to the two ends of the rebar through heat generated by friction and then connected.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes high-speed rotation and pressure to generate frictional heat, melting the contact surfaces to achieve a welded joint. The welded cross-sectional area between the rebar and the coupler exceeds the original material's cross-sectional area, effectively meeting the high ductility requirements of SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Suitable for rebar grades SD280, SD420, SD420W, and CNS3300 re-rolled and quenched rebars for reinforced concrete.
• The joint retains the original material's strength, effectively transmitting stress.

(After Coupler Connection) C-U Joint Friction Two-Piece Rebar Coupler

C-U Joint Friction Two-Piece Rebar Coupler
The male and female threaded sleeves are friction-welded to the two ends of the rebar through heat generated by friction and then connected.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes high-speed rotation and pressure to generate frictional heat, melting the contact surfaces to achieve a welded joint. The welded cross-sectional area between the rebar and the coupler exceeds the original material's cross-sectional area, effectively meeting the high ductility requirements of SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Suitable for rebar grades SD280, SD420, SD420W, and CNS3300 re-rolled and quenched rebars for reinforced concrete.
• The joint retains the original material's strength, effectively transmitting stress.

(Example of Implementation) C-U Joint Friction Two-Piece Rebar Coupler

C-U Joint Friction Two-Piece Rebar Coupler
The male and female threaded sleeves are friction-welded to the two ends of the rebar through heat generated by friction and then connected.

<Material>

• The sleeve material complies with CNS-3828-S45C, JIS-G4051-S45C, and ASTM-A576-1045 standards for carbon steel used in mechanical structures.

<Characteristics>

• Conforms to the Construction and Planning Agency’s “Rebar Coupler Performance Evaluation Standards (SA Grade)”.
• Utilizes high-speed rotation and pressure to generate frictional heat, melting the contact surfaces to achieve a welded joint. The welded cross-sectional area between the rebar and the coupler exceeds the original material's cross-sectional area, effectively meeting the high ductility requirements of SA-grade testing.
• Simple and convenient connection process without the need for specialized tools; manual assembly achieves the expected results.
• Suitable for rebar grades SD280, SD420, SD420W, and CNS3300 re-rolled and quenched rebars for reinforced concrete.
• The joint retains the original material's strength, effectively transmitting stress.