WO2010049942A1 - Cuit-vapeur micro-ondes - Google Patents

Cuit-vapeur micro-ondes Download PDF

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Publication number
WO2010049942A1
WO2010049942A1 PCT/IN2008/000834 IN2008000834W WO2010049942A1 WO 2010049942 A1 WO2010049942 A1 WO 2010049942A1 IN 2008000834 W IN2008000834 W IN 2008000834W WO 2010049942 A1 WO2010049942 A1 WO 2010049942A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
cover
cooker
container
regulator
Prior art date
Application number
PCT/IN2008/000834
Other languages
English (en)
Inventor
Thatai Jagannathan Tiruvallur
Original Assignee
Ttk Prestige Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ttk Prestige Limited filed Critical Ttk Prestige Limited
Publication of WO2010049942A1 publication Critical patent/WO2010049942A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/027—Cooking- or baking-vessels specially adapted for use in microwave ovens; Accessories therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/088—Pressure-cookers; Lids or locking devices specially adapted therefor adapted to high-frequency heating
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices
    • A47J27/092—Devices for automatically releasing pressure before opening

Definitions

  • the metal utensils do not allow penetration of microwaves to generate the heat energy required for cooking the food, and thereby cooking efficiency is greatly reduced. Further there is also possibilities of damage for the microwave oven due to the arc formation between the metallic utensils and the door of the oven and may also results in the discoloring of cooking food which leads to a hygienic problem.
  • US patent no. 4853509 discloses a rice cooker for preparation of shaped foods of rice in a microwave range is made of microwave permeable synthetic resin such as polypropylene and internally provided with mutually separate confined spaces of a fixed capacity and adapted for accommodating rice with water.
  • the rice cooker containing uncooked rice with water is heated in the microwave range, compression acts on the boiled rice due to pressure contact of the boiled rice swelled and water with walls defining the spaces and the boiled water is automatically shaped in the spaces. Absence of direct contact of the rice with user's hand during the process enables preparation of shaped foods of rice such as rice balls without any keen pain and blemish on the hands.
  • the pressure cookers for microwave oven which either partially or wholly describes the apparatus of cooking system comprising container and cover that have been constructed using microwave compatible material. Further many attempts have been made in prior art to achieve a microwave compatible pressure cooking system, but still suffers from drawbacks of using some metallic parts like metal springs, metallic ring, metallic core for dead weight pressure regulating system etc., which are more dangerous and have disadvantages. - OBJECT OF THE INVENTION :
  • the microwave compatible pressure cooker has specially designed safety devices like pressure regulating valve, secondary safety devices and a gasket offset device. All these are made with microwave compatible materials which facilitates in using this Microwave Compatible Pressure Cooker inside the microwave oven.
  • Figure 4 depicts the top surface of the receptacle cover(6) of the cooker covering the receptacle provided on the centre of the cover(2) of the cooker.
  • Figure 7A, 7B and 7C respectively depicts the bottom, side and top view of elastomeric pressure regulator diaphragm with hood.
  • Figure 8 depict the elastomeric visual pressure indicator device without slit wherein the shape of the device is different.
  • Figure 9 depict the elastomeric visual pressure indicator device without slit in H- shape of symmetric design.
  • Figure 17 depicts the receptacle opening means(5a, 5b) of the cover(2) which further includes perforated material(27) underneath the cover.
  • the container(1) portion of the cooker is such that there are ribs formed on it which not only strengthens but also facilitates easy of handling.
  • Both the outer surface and bottom of the container(1 ) has ribs which acts as a thermal offset which minimize the heat felt when the cooker is taken out of the microwave oven after cooking and also provide mechanical strength to the cooker.
  • the bottom of the container(1 ) is also strengthened and has ribs to ensure the container(1 ) is stable. The ribs also ensures that the bottom is always flat.
  • This unique pressure cooker as per the invention is a very attractive and strengthened to take care of the pressure.
  • the cover(2) incorporates a band which merges with the handles.
  • the unique top cover(2) is further strengthened with annular grooves.
  • a microwave pressure cooker formed with a contained 1) open at its top shall comprises of some or all of the parts namely a cover(2) with a gasket(3) adapted for ledge interlock type sealing and lug locking engagement with the said container(1 ) to form an enclosure for pressure cooking with the container(1 ) and a receptacle type regulator opening means(5a,5a',5b) forming valve openings through the said cover(2).
  • the said cover(2) shall have atleast two deformable diaphragm type pressure regulator means(8a, 8b) having different operating thresholds responsive to the pressure in the enclosure and with slits(11) formed therein is adapted to be disposed on the regulator opening means.
  • a pressure regulator having a operating threshold the regulator being of the type comprising an elastically deformable diaphragm body fixed to the cover(2) of a pressure cooker and having a slit(11 ) in closed configuration formed therein, the regulator is such that the diaphragm is deformed to change the slit(1 1 ) into an open configuration under the effect of the pressure applied on the diaphragm.
  • a microwave pressure cooker formed with a container(1) open at its top shall comprise of a cover(2) with a gasket(3) adapted for sealing engagement with the said container(1 ) to form an enclosure for pressure cooking within the container(1) and a pressure regulator means(8a, 8b) which has a pressure responsive diaphragm adapted to be disposed at the bottom of the receptacle formed on the cover(2) of the cooker and further it is characterized in the non-metallic deformable microwave permeable diaphragm type pressure regulator means, with or without a hood(10).
  • a pressure regulator means shall have the gripping means which is symmetrical at its top end and bottom end to fittingly engage a portion around the regulator opening means thereby enabling the fitment of diaphragm valve straight up or upside down.
  • a microwave pressure cooker formed with a container(1) open at its top shall comprise of a cover(2) with a gasket(3) adapted for sealing engagement with the said container(1 ) to form an enclosure for pressure cooking within the container(1 ) and an integral pressure regulator valve cum indicator means(19a) which is a pressure responsive type characterized in the integral indicator means cum regulator valve consisting of a non-metallic non- deformable core(14) projecting from the bottom of an elastically deformable casing and surrounded by the casing(15), having operating thresholds, the regulator being of the type comprising of the casing fixed to the cover(2) of the cooker, substantially disposed in the hole of the regulator opening means (5a 1 ), fully underneath the cover(2), with the free end of the core(1 " 4) flush with the surface of the cover(2), characterized in the indicator means cum regulator valve which is such that the casing(15) is deformed under increasing pressure to compress gradually the casing(15) towards the underside of the cover(2), thereby ejecting the free
  • the regulator being of the type comprising of the core(24) extending through the cover(2) of the cooker, such that bottom circular disc (25) and core (24) disposed substantially in the hole of regulator opening means( ⁇ a') underneath the cover(2), and top circular disc (26) flush flat on the surface of the cover(2).
  • the said indicator means(13c) is characterized in such that the bottom circular disc (25) is pushed towards the cover(2) under increasing pressure to lift gradually the core (24) alongwith top circular disc (26) for visibility above the surface of the cover(2), under the effect of the pressure applied on the bottom circular disc (25), disposed within the closed cooker enclosure.
  • this gasket offset device is also a secondary safety device which works if the lid is not closed properly.
  • a free sliding push rod is disposed in the said pathway of the said opening of the said cover(2) extending partially into the said interior of said cover(2) and into said interior of said locking lug(4) and supportingly abutted against the said lug gasket, providing a fluid path between the interior and exterior of the cover(2) and enclosure, and such that adapted to contact the cover gasket(3) as said cover(2) is moved for a sealing engagement with said container(1 ) to close the cooker, slidably moving completely into the interior of said locking lug(4), thereby closing the fluid path with the cover gasket(3) between the interior and exterior of the enclosure, only when the cover gasket(3) is fully disposed on the cover rim.
  • Figure 17 illustrates the receptacle opening means(5a, 5b) of the cover as per the invention is further adapted to have perforated material underneath the receptacle opening means(5a, 5b) of the cover ie in accordance with a hole(5a) formed on the cover(2) or an opening annular cylindrical length(5b) of cavity/enclosed receptacle body formed underneath the cover(2).
  • This perforated material which acts as a sieve element to prevent the blockage of the opening means formerly food particles, more specifically cooked dhal, green dhal, potatoes, etc, common in Indian cuisse which forms a thin sheet like material eg potato peels, dhal peels, etc on the hole, and thereby allowing the froth or vapour to be ejected outside during cooking operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un cuit-vapeur micro-ondes formé par un contenant ouvert en haut, comprenant un moyen indicateur de vapeur de type mobile, qui est conçu pour être disposé dans l'ouverture aménagée sur le couvercle de manière à se soulever de manière visible vers l'extérieur en réaction à la vapeur présente dans l'enceinte et qui est également doté, à son extrémité libre, d'une fente conçue pour s'ouvrir en réaction à la pression vapeur présente dans l'enceinte.
PCT/IN2008/000834 2008-10-30 2008-12-12 Cuit-vapeur micro-ondes WO2010049942A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2645/CHE/2008 2008-10-30
IN2645CH2008 2008-10-30

Publications (1)

Publication Number Publication Date
WO2010049942A1 true WO2010049942A1 (fr) 2010-05-06

Family

ID=40612909

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000834 WO2010049942A1 (fr) 2008-10-30 2008-12-12 Cuit-vapeur micro-ondes

Country Status (1)

Country Link
WO (1) WO2010049942A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2476846A (en) * 2010-01-07 2011-07-13 Ttk Prestige Ltd Microwave pressure cooker with pressure regulator devices
EP3308683A1 (fr) * 2016-10-11 2018-04-18 Electrolux Appliances Aktiebolag Recipient de cuisson pour la cavite d'un four de cuisson
USD832638S1 (en) 2016-06-03 2018-11-06 Kuhn Rikon Ag Cooking pot

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE806483A (nl) * 1973-10-25 1974-04-25 Tomado Nv Automatische dekselbeveiliging voor drukvat
EP0063030A1 (fr) * 1981-04-10 1982-10-20 The Prestige Group Plc. Récipient de cuisson sous pression
US4796776A (en) * 1987-02-19 1989-01-10 Northland Aluminum Products, Inc. Pressure cooker for microwave ovens
US20020040906A1 (en) * 2000-09-25 2002-04-11 Hakim Nouri E. Feeding dishes for children
WO2007122648A1 (fr) * 2006-04-24 2007-11-01 Giorgio Tosini Membrane de protection destinée à un récipient conçu pour cuisiner, congeler ou stocker des aliments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE806483A (nl) * 1973-10-25 1974-04-25 Tomado Nv Automatische dekselbeveiliging voor drukvat
EP0063030A1 (fr) * 1981-04-10 1982-10-20 The Prestige Group Plc. Récipient de cuisson sous pression
US4796776A (en) * 1987-02-19 1989-01-10 Northland Aluminum Products, Inc. Pressure cooker for microwave ovens
US20020040906A1 (en) * 2000-09-25 2002-04-11 Hakim Nouri E. Feeding dishes for children
WO2007122648A1 (fr) * 2006-04-24 2007-11-01 Giorgio Tosini Membrane de protection destinée à un récipient conçu pour cuisiner, congeler ou stocker des aliments

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2476846A (en) * 2010-01-07 2011-07-13 Ttk Prestige Ltd Microwave pressure cooker with pressure regulator devices
WO2011083486A1 (fr) * 2010-01-07 2011-07-14 Ttk Prestige Limited Cocotte-minute à micro-ondes
EP2342996A3 (fr) * 2010-01-07 2011-09-21 TTK Prestige Limited Appareil de cuisson à pression à micro-ondes
US8247751B2 (en) 2010-01-07 2012-08-21 Ttk Prestige Limited Microwave pressure cooker
GB2476846B (en) * 2010-01-07 2013-11-27 Ttk Prestige Ltd Microwave pressure cooker
AU2010212313B2 (en) * 2010-01-07 2015-07-16 Ttk Prestige Limited Microwave pressure cooker
USD832638S1 (en) 2016-06-03 2018-11-06 Kuhn Rikon Ag Cooking pot
EP3308683A1 (fr) * 2016-10-11 2018-04-18 Electrolux Appliances Aktiebolag Recipient de cuisson pour la cavite d'un four de cuisson
WO2018068976A1 (fr) * 2016-10-11 2018-04-19 Electrolux Appliances Aktiebolag Récipient de cuisson pour une cavité de four d'un four de cuisson

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