Surface Modified Drum For Color Coated Fiber Cement Roofing Sheets

Abstract: The present invention relates to surface modified metallic drum with hydrophobic materials to improve the manufacturing process of color coated fiber cement roofing sheets. It discloses the modified drum to avoid the stickiness issue of the color coated fiber cement sheets during production and also improve the surface finish of color coated fiber cement sheets.

Patent Information

Application #

Filing Date

30 September 2022

Publication Number

14/2024

Publication Type

INA

Invention Field

POLYMER TECHNOLOGY

Status

Email

Parent Application

Applicants

HIL LIMITED

SLN TERMINUS 7TH FLOOR, GACHIBOWLI KONDAPUR ROAD, HYDERABAD – 500032, TELANGANA, INDIA

Inventors

1. Dr. D Satyanarayana

SLN TERMINUS 7TH FLOOR, GACHIBOWLI KONDAPUR ROAD, HYDERABAD – 500032, TELANGANA, INDIA

Specification

Description:See the attachment , Claims:See the attachment

Documents

Application Documents

#	Name	Date
1	202241056179-STATEMENT OF UNDERTAKING (FORM 3) [30-09-2022(online)].pdf	2022-09-30
2	202241056179-PROOF OF RIGHT [30-09-2022(online)].pdf	2022-09-30
3	202241056179-FORM 1 [30-09-2022(online)].pdf	2022-09-30
4	202241056179-DECLARATION OF INVENTORSHIP (FORM 5) [30-09-2022(online)].pdf	2022-09-30
5	202241056179-COMPLETE SPECIFICATION [30-09-2022(online)].pdf	2022-09-30
6	202241056179-FORM-26 [12-10-2022(online)].pdf	2022-10-12
7	202241056179-Proof of Right [20-10-2022(online)].pdf	2022-10-20
8	202241056179-FORM-26 [20-10-2022(online)].pdf	2022-10-20
9	202241056179-Correspondence_Form-1 And POA_26-10-2022.pdf	2022-10-26
10	202241056179-Correspondence_Form 26_14-11-2022.pdf	2022-11-14
11	202241056179-FORM 18 [04-07-2023(online)].pdf	2023-07-04
12	202241056179-RELEVANT DOCUMENTS [08-05-2025(online)].pdf	2025-05-08
13	202241056179-POA [08-05-2025(online)].pdf	2025-05-08
14	202241056179-FORM 13 [08-05-2025(online)].pdf	2025-05-08