RTS Coupler is used when at least one of the bars is free to rotate about its axis. It consists of an internally threaded steel tube that accommodates two threaded bars of matching exterior threads. This feature allows the connections to be assembled in situations that do not involve significant construction constraints.

RTP Coupler is used when the bars to be connected are restrained against rotational movement and at least one of them is allowed to move along its longitudinal axis. This coupler is recommended when there are no constraints that prevent both bars from approaching the coupler without the need for a tolerance.

RTR Coupler possesses the same features as the RTP Coupler but provides more flexibility to connect the reinforcement in RC members cast at different times. The coupler is composed of two internally threaded tubes, a threaded rod and two lock nuts that connect two steel bars of matching thread size.

RTST Coupler functions in a similar manner to the RTS Coupler but is used when the bars to be connected have different diameters. This feature allows the mechanical connections to be assembled in locations that experience abrupt variation in bars’ sizes especially at beam-column, and column-column connections.

Thread rolling is a cold work process that can be conducted on any ductile metal, such as reinforcing steel bars. The threads are formed by displacing portion of the material using hardened steel dies without cutting out steel from the bars. The process results in rearrangement of steel grains to take the shape of the threading die rather than reducing the cross-sectional area by removing steel particles. The thread is forced up into the threading dies so that the finished region is slightly larger than the original steel bar. The work hardening which takes place during the roll threading operation can make the connection with rolled threads stronger. The dies are made of specially designed high quality steel having grooves of the same pitch and shape as the required threads. Roll threading is a very efficient process and results in substantial cost savings especially for mass production. INCON’s advanced threading process can be performed on all bar sizes available in the market including 10M through 45M (Canada), #4 through #14 (US), and 12 through 40 (Europe and Middle East)..

• Roll threading is a process by which steel is extruded to form the threaded portion of a fastener, instead of being removed as in cut threading.
• Portion of the reinforcing bar to be threaded is first peeled off in order to obtain a smooth surface.
• After that, thread rolling is performed by pressing threading dies on the reinforcing bars to form the desired thread size.
• The two aforementioned processes are performed on the same machine to form the rolled thread on the bar.
• Using INCON’s threading machine; the process can be performed on site quickly and efficiently.

• Rolled threads result in enhanced surface roughness than conventional cut threads.
• Fatigue, shear and tensile strengths of the threaded portion of the bar are increased due to thread rolling process.

INCON threaded couplers integrate durability; structural performance and cost effectiveness to provide our valuable clients with state-of-the-art products and services that satisfy all their needs.

Structural Performance

• Full strength of the reinforcing bars is maintained.
• Thread quality is highly improved due to the effect of the cold working process.
• Structural performance is independent of concrete type and strength.
• Slip is completely eliminated between couplers and the embedded steel bars.
• Bars are concentrically aligned resulting in direct force transfer between the two bars.
• Eliminate potential slip, hook straightening or side spalling that may occur in conventional bent bars.

Construction Simplicity

• Screwing the coupler onto the threaded bars without the need of a torque wrench.
• Rolled threads are smooth and durable due to the burnishing effect of the rolling operation.
• INCON automatic threading machine simplifies the threading of the reinforcing bars’ heads.
• Formation of construction joints is greatly simplified.
• Congestion of steel reinforcement is significantly reduced.
• Formwork damage is avoided during construction of wall-slab connections.
• Substantial reduction in the number of laborers needed for cut and bend works.

Cost Effectiveness

• Remarkable saving in material and labor cost.
• Smooth finish between exterior and interior threads increases wear resistance significantly.
• Savings in steel cost and welding material, especially for long splices.
• Eliminating formwork cutting and drilling.
• Reduction in time required for preparing detailed drawings and detailed calculation sheets for lap splices and bent bars during the design phase.
• Reduction in inspection time for lap splices and bent bars during the construction phase.

Quality Control

• INCON couplers and bar terminators are manufactured in accordance with the strictest Canadian standards in ISO certified and UKAS accredited facilities.
• Both experimental and analytical investigations are performed on our products to ensure outstanding structural performance that exceeds the requirements provided in building codes and standards.
• In addition to our research and development program, INCON has been working in collaboration with Western University in Canada to continuously develop the quality of our mechanical splicing devices.

Environment

• INCON mechanical couplers are recyclable and may be manufactured of recycled materials.
• Reinforcement waste associated with lap splices and bent bars is significantly reduced.
• No welding; or heating required in production process or site applications.

CONSTRUCTION SIMPLICITY

• Screwing the coupler onto the threaded bars without the need of a torque wrench.
• INCON automatic upsetting and threading machine simplifies the forging and threading of the reinforcing bars’ heads.
• Formation of construction joints is greatly simplified.
• Congestion of steel reinforcement is significantly reduced.
• Formwork damage is avoided during construction of wall-slab connections.
• Substantial reduction in the number of laborers needed for cut and bend works.

COST EFFECTIVENESS

• Remarkable saving in material and labor cost.
• Savings in steel cost and welding material, especially for long splices.
• Eliminating formwork cutting and drilling makes it possible to reuse it multiple times in construction.
• Reduction in time required for preparing detailed drawings and detailed calculation sheets for lap splices and bent bars during the design phase.
• Reduction in inspection time for lap splices and bent bars during the construction phase.

QUALITY CONTROL

• INCON couplers and bar terminators are manufactured in accordance with the strictest Canadian standards in ISO certified and UKAS accredited facilities.
• Both experimental and analytical investigations are performed on our products to ensure outstanding structural performance that exceeds the requirements provided in building codes and standards.
• In addition to our research and development program, INCON has been working in collaboration with Western University in Canada to continuously develop the quality of our mechanical splicing devices.

ENVIRONMENT

• INCON mechanical couplers are recyclable and may be manufactured of recycled materials.
• Reinforcement waste associated with lap splices and bent bars is significantly reduced.
• No welding; or heating required in production process or site applications.