A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
65/21
A47J 27/08 (2006.01) A47J 27/09 (2006.01)
Patent
CA 1307935
69452-7 ABSTRACT OF THE INVENTION An improved pressure cooker is provided in which the pressure regulating system is of improved construction, such a system comprises: a vent tube and a hollow holding nut adapted to be secured to a hole in the lid of the pressure cooker and a vent weight adapted to be freely seated by a tapered pin at the top of said vent tube characterized in that: (i) said hollow holding nut has a planar bottom surface provided with a plurality of holes for the entry of steam, two internal contiguous vertical sections, a top section adapted to be engaged to the lower external surface of the vent tube and a lower section provided with a plurality of steam, entry holes on the side wall, said lower section being preferably larger in cross-section than the said first upper section; (ii) said vent tube has three sections namely: (a) a lowermost conical section tapering towards the top end; (b) an upper narrow cylindrical section engaging into the tapered pin of the vent weight; (c) an intermediate cylindrical section of substantially larger diameter than the said upper section connecting the above two sections (a) and (b). (iii) said vent weight being mounted on fulcrumed lever which has a pressure exposed to the atmosphere and 69452-7 in flow communication with one or more openings formed at the base of the vent weight from which said tapered pin extends; the arrangement being such that when the vent tube is secured to the lid of the pressure cooker with the help of the said holding nut and the vent weight mounted on the said vent tube through said tapered pin, the steam formed in the pressure cooker builds up to a predetermined pressure, escapes through the vent weight and flows out as dry steam without any appreciable quantity of condensed water and at steady pace.
575181
Hawlins Cookers Limited
Smart & Biggar
LandOfFree
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