Donbass State Engineering Academy

High-Strength Butt Joint Method for Tubular Elements with Secondary Fixation

The present utility model introduces a high-strength butt joint method for tubular elements, featuring secondary fixation. The technology is applicable in mechanical engineering, pipeline construction, the oil and gas industry (specifically for drill strings and casing pipes), an...

High-Capacity Weldless Joining of Reinforcing Bars with Six-Start Profile

Object of the utility model: A method for the weldless butt joining of reinforcing bars using a six-start spatial mechanical interlock. Field of application: The utility model relates to the field of construction, specifically to technologies for reinforcing concrete structures a...

High-Strength Structural Connection Method Utilizing Helical Splines

The present invention introduces a high-strength structural connection method for metal components in mechanical and civil engineering. The core of the technology relies on a self-locking mechanical interlock utilizing complementary outer and inner helical (spiral) splines and co...