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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) APPLICATION No: 903/CHE/2004A
(22) Date of filing of Application:08/09/2004 (43) Publication Date: 09/06/2006
(54) Title of the invention:
A DEAD WEIGHT PRESSURE
REGULATOR SYSTEM FOR A
PRESSURE COOKER.
(51)International classification:A 47 J
27/092
(31) Priority Document No.
(32) Priority Date:
(33) Name of priority country:
(87) WIPO No. :
(61) Patent of addition to
Application No. :
Filed on:
(62) Divisional to
Applcation No.:
Filed on:
(71) Name of Applicant
TTK PRESTIGE LTD,
Address of Applicant:
11TH FLOOR,BRIGADE TOWERS, 135,,
BRIGADE ROAD,,
BANGALORE-560025, KARANATAKA,,
INDIA.
(72) Name of the Inventor(s):
TIRUVALLUR THATTAI
JAGANNATHAN.
(57)Abstract
.A dead weight pressure regtuator system for a pressure cooker comprising a dead weight provided with a lifting knob
and a valve pin; a valve stem with an orifice normally closed by the valve pin, a portion of the external periphery of
the valve stem, tapering outwards, characterised by a groove, in the dead weight body, surrounding the valve stem
below the tapered periphery; and an O-ring, made out of an elastomer, snugly seated in the groove but protruding
sidewards, out of the groove, to butt against the tapered periphery, whenever the dead weight lifts under the pressure
of steam within the said cooker.
The Patent Office Journal 09/06/2006 10837