MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202541022419 A) filed by Heavy Vehicles Factory on March 12, 2025, for A Novel Fixture And Method For Hardening Of Torsion Bar/Lengthy Components In Horizontal Furnace.
Inventors include Biswajeet Satapathy; D Gopi Krishnan; S Sivanesan; and K K Jibin.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: ABSTRACT A NOVEL FIXTURE AND METHOD FOR HARDENING OF TORSION BAR/LENGTHY COMPONENTS IN HORIZONTAL FURNACE The present invention relates to a novel fixture and method for hardening lengthy steel components in a horizontal furnace to prevent bending and distortion. The fixture comprises a lower and upper corrugated plate assembly made of heat-resistant steel, each having semi-cylindrical slots to cradle and clamp the component firmly. A locking mechanism secures the upper plate to the lower plate, allowing rapid transfer between furnace and quenching medium without compromising rigidity. The process involves preheating, heating to a specified hardening temperature, oil quenching, and tempering. By maintaining components horizontally throughout, the invention achieves uniform mechanical properties and substantially eliminates post-hardening straightening steps.
Disclaimer: Curated by HT Syndication.
