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A Roofing Sheet

Abstract: TITLE: “A ROOFING SHEET” ABSTRACT Present disclosure relates to a roofing sheet. The roofing sheet includes an outer layer defined with a first locking profile and an inner layer adjoining the outer layer. The inner layer is defined with a plurality of corrugated structures and a second locking profile. The plurality of corrugated structures contacts a bottom surface of the outer layer and defines air gaps between the outer layer and the inner layer. The second locking profile is received within and locked with the first locking profile for attaching the inner layer and the outer layer. The air gaps defined between the first layer and the second layer provides thermal insulation, as air gaps allow flow of air through the air gaps and extract heat, and air in the air gaps also aids in providing sound insulation. Figures. 1-5 are representative figures.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
01 August 2023
Publication Number
06/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application

Applicants

TATA STEEL LIMITED
Jamshedpur – 831001, Jharkhand, India

Inventors

1. Rudra Bubai Sarkar
C/o., TATA STEEL LIMITED, Jamshedpur – 831 001, Jharkhand, India
2. Pinaki Biswas
C/o., TATA STEEL LIMITED, Jamshedpur – 831 001, Jharkhand, India
3. Rahul Kumar Verma
C/o., TATA STEEL LIMITED, Jamshedpur – 831 001, Jharkhand, India

Specification

Description:AS FILED PDF DOCUMENTS , Claims:AS FILED PDF DOCUMENTS

Documents

Application Documents

# Name Date
1 202331051561-STATEMENT OF UNDERTAKING (FORM 3) [01-08-2023(online)].pdf 2023-08-01
2 202331051561-REQUEST FOR EXAMINATION (FORM-18) [01-08-2023(online)].pdf 2023-08-01
3 202331051561-POWER OF AUTHORITY [01-08-2023(online)].pdf 2023-08-01
4 202331051561-FORM-8 [01-08-2023(online)].pdf 2023-08-01
5 202331051561-FORM 18 [01-08-2023(online)].pdf 2023-08-01
6 202331051561-FORM 1 [01-08-2023(online)].pdf 2023-08-01
7 202331051561-DRAWINGS [01-08-2023(online)].pdf 2023-08-01
8 202331051561-DECLARATION OF INVENTORSHIP (FORM 5) [01-08-2023(online)].pdf 2023-08-01
9 202331051561-COMPLETE SPECIFICATION [01-08-2023(online)].pdf 2023-08-01
10 202331051561-Proof of Right [18-12-2023(online)].pdf 2023-12-18
11 202331051561-FORM-26 [30-05-2025(online)].pdf 2025-05-30