MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202431026508 A) filed by Bharat Heavy Electricals Limited on March 30, 2024, for A Multilayered Foam Core Sandwich Panel Test Piece And A Method Of Preparation Thereof.

Inventors include Rana, Subodh; Kumar, Sunil; and Kumar, Abhinav.

The application for the patent was published on June 19, 2026, under issue no. 25/2026.

Abstract: The present disclosure relates to a multilayered foam core sandwich panel test piece (100) and the method of preparation of the same. The test piece (100) comprises of a plurality of outer thin plates (101) of a non-foaming Al- alloy, affixed in a split-type mold with controlled gaps to accommodate a foam core (102). The foam core (102) consist of a metal foam, comprising of a molten Al- alloy; a thickening agent, and a foaming agent. Additionally, the present disclosure outlines a quantitative evaluation method, incorporating analytical models to assess parameters such as flexural rigidity and shear rigidity. Further, a method for deflection testing is also described in the present disclosure.

Disclaimer: Curated by HT Syndication.