Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.3034/MUM/2010 A
(19) INDIA
(22) Date of filing of Application :01/11/2010 (43) Publication Date : 21/06/2013
(54) Title of the invention : LAYERED TOUGH CERAMICS FOR ARMOUR APPLICATIONS
(51) International classification
(31) Priority Document No :NA
(32) Priority Date :NA
(33) Name of priority country :NA
:F41H5/00;
F41H5/04
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No :N/A
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)DIRECTOR GENERAL, DEFENCE RESEARCH &
DEVELOPMENT ORGANIZATION (DRDO)
Address of Applicant :MINISTRY OF DEFENCE,
GOVERNMENT OF INDIA, B-341, SENA BHAWAN , NEW
DELHI-110011, INDIA.
(72)Name of Inventor :
1)AKELLA, KIRAN
2)DR. PATHAK, GIRISH
(57) Abstract :
A composite layered ceramic armour material and a process for manufacturing the same is disclosed wherein a plurality of green
ceramic tapes having a striped layer on one surface formed by graphite strips and ceramic strips. The ceramic tapes are stacked
one above the other to form a ceramic stack which is laminated and burning off the graphite material in the laminated stack
forming a plurality of channels. The stack is then sintered, hardened and the channels are infused with a molten polymer resin mix
to form a composite layered armour material. The composite layered ceramic armour material as manufactured by the process of
the present invention has greater toughness and is light weight, less voluminous, cost-effective.
No. of Pages : 29 No. of Claims : 18
The Patent Office Journal 21/06/2013 13522