Cooking appliances

Claim 2

An electric cooking appliance comprising an inner-mounting made from flat rigid metallic material; at least one electric hotplate formed of refractory material accommodated in said inner mounting with an upper surface of said inner mounting substantially parallel to the cooking surface of the electric cooking hotplate; an outer mounting made from flat rigid material having means defining at least one opening therein for receiving and supporting said inner mounting; said outer mounting having a raised plateau in its upper surface; regulating means mounted on said raised plateau for controlling the temperature of the electric hotplate, said regulating means including at least one electric regulator having an adjusting knob for said one hotplate and a separate two-pole electric main switch; and said outer mounting having an outwardly directed flange for abutment against the edge region of a mounting opening in an upper plate of a kitchen furniture.

Claim 3

An electric cooking appliance as claimed in claim 1 in which at least one of said mountings comprises material having poor heat-conducting properties.

Claim 4

An electric cooking appliance as claimed in claim 1 in which at least one of said mountings comprises rustless steel plate.

Claim 5

An electric cooking appliance as claimed in claim 1 in which said inner mounting comprises a top plate and said outer mounting comprises a frame which surrounds said top plate.

Claim 6

An electric cooking appliance as claimed in claim 4 further comprising clamping means for acting upon at least one of said mountings and upon said base to press said outwardly directed flange against said base.

Claim 7

An electric cooking appliance as claimed in claim 4 in which said frame comprises glass fiber reinforced plastics material.

Claim 8

An electric cooking appliance as claimed in claim 4 in which said top plate comprises enamelled sheet metal.

Claim 9

An electric cooking appliance as claimed in claim 4 further comprising a bottom cover underlying said hot-plate and the surrounding portion of said top plate but terminates short of the outer periphery of said top plate.

Claim 10

An electric cooking appliance as claimed in claim 4 in which said top plate has at least one opening therein, and which further comprises a ring closely surrounding said hot-plate and disposed in the last-mentioNed opening and means sealing said ring to said top plate.

Claim 11

An electric cooking appliance as claimed in claim 9 in which said top plate has a continuous, downwardly directed inner flange around its inner edge defining said last-mentioned opening, and in which said ring has a continuous, downwardly directed outer flange about its outer edge, said ring being arranged in said last-mentioned opening with said top plate inner flange located adjacent and parallel to said ring outer flange, said flanges at least in part comprising said sealing means.

Claim 12

An electric cooking appliance as claimed in claim 17 in which said electric hot-plate has a continuous peripheral flange by which the electrical hot-plate abuts against said ring.

Claim 13

An electric cooking appliance as claimed in claim 9 in which said cooking surface is located in substantially the same plane as the upper surface of said top plate, and in which said top plate has a shallow continuous depression formed therein encircling said hot-plate, and in which said ring has an obliquely downwardly outwardly directed portion which abuts against an obliquely upwardly inwardly directed portion of said top plate adjoining said depression.

Claim 14

An electric cooking appliance as claimed in claim 1 in which said regulating means includes a pilot lamp and said switch comprises a push-button type switch including contact means for said pilot lamp.

Claim 15

An electric cooking appliance as claimed in claim 1 in which said regulating means includes a panel on which said regulator and said main switch are mounted, said plateau having an opening in which said panel is fitted as a cover.

Claim 16

An electric cooking appliance as claimed in claim 14 in which said main switch has a transparent push-button and at least one indicator lamp therebehind for an associated regulator.

Claim 17

An electric cooking appliance as claimed in claim 15 in which said transparent push-button together with said indicator lamp comprises an interchangeable sub-assembly.

Claim 18

An electric cooking appliance as claimed in claim 1 in which said inner mounting comprises a ring which closely surrounds the electric hotplate, said electric hotplate having a continuous peripheral flange and an underlying continuous substantially cylindrical surface by which the electric hotplate abuts against and seals to said ring, and said inner mounting further comprises a flange which has a continuous portion parallel to a continuous portion of said ring and is sealed thereto.

Claim 19

An electric cooking appliance as claimed in claim 17 in which said flange on said inner mounting has on its lower edge a small inward flange, and said continuous portion of said ring rests against said small inward flange.

Claim 20

An electric cooking appliance as claimed in claim 18 in which said ring has about its inner edge a downwardly directed portion abutting against the hot-plate.

Claim 21

An electric cooking appliance as claimed in claim 18 in which said ring has about its inner edge an obliquely inwardly and downwardly extending flange and said outer peripheral flange of said hot-plate has a complementary conical lower surface resting on said inwardly and downwardly extending flange.

Claim 22

An electric cooking appliance as claimed in claim 18 further comprising a sealing ring between said ring and said top plate.

Claim 23

An electric cooking appliance as claimed in claim 21 in which said sealing ring comprises silicone rubber.

Claim 24

An electric cooking appliance as claimed in claim 21 in which said inner flange of said top plate has an upwardly open channel wherein said sealing ring is received and the edge of said outer flange of said ring abuts against said sealing ring.

Claim 25

An electric cooking appliance as claimed in claim 18 in which the cooking surface of the hot-plate is at a level at least as high as the top surface of said top plate.

Claim 26

An electric cooking appliance as claimed in claim 24 in which said cooking surface is located in substantially the same plane as the upper surfacE of said top plate, and in which said top plate has a shallow continuous depression formed therein and encircling said hot-plate.

Claim 27

An electric cooking appliance comprising: an inner mounting including a top plate made from flat rigid material; at least one electric hotplate formed of refractory material accommodated in said inner mounting, said electric hotplate including a continuous peripheral flange and an underlying substantially cylindrical surface having an outside diameter smaller than the maximum outside diameter of said peripheral flange; said inner mounting including ring means for supporting, insulating and sealing said electric hotplate in said top plate with the cooking surface of the electric hotplate substantially parallel and closely adjacent to the plane of the upper surface of said top plate, said ring means including a metal ring having an inner opening defined by an inner edge which receives and tightly engages said cylindrical surface, said ring underlying and abutting said peripheral flange of said hotplate, said metal ring also including an outer peripheral flange which engages and is supported by said top plate; and an outer mounting made from flat rigid material having means defining at least one opening therein for receiving and supporting said top plate.

Claim 28

An electric cooking appliance comprising: an inner mounting including a top plate made from flat rigid material; at least one electric hotplate formed of refractory material accommodated in said inner mounting, said electric hotplate including a continuous peripheral flange and an underlying substantially cylindrical surface having an outside diameter smaller than the maximum outside diameter of said peripheral flange; said inner mounting including ring means for supporting, insulating and sealing said electric hotplate in said top plate with the cooking surface of the electric hotplate substantially parallel and closely adjacent to the plane of the upper surface of said top plate, said ring means including a metal ring having an inner opening defined by an inner edge which receives and tightly engages said cylindrical surface, said ring underlying and abutting said peripheral flange of said hotplate, said metal ring also including an outer peripheral flange which engages and is supported by said top plate; and an outer mounting made from flat rigid material having means defining at least one opening therein for receiving and supporting said top plate.

Claim 29

An electrical cooking appliance as defined in claim 1, wherein said ring further includes an outer downturned flange, and said top plate includes an inner downturned flange defining an opening in which said electric hot-plate is accommodated, said inner downturned flange having a continuous portion continuously parallel to said outer downturned flange of said ring, and sealing means for sealing said ring outer flange to said top plate inner flange.

Claim 30

An electrical cooking appliance as defined in claim 27, wherein the underside of said peripheral flange is parallel to the top surface of said hot-plate.

Claim 31

An electrical cooking appliance as defined in claim 27, wherein the underside of said peripheral flange is a downwardly directed truncated conical surface, and said inner downturned flange of said ring has a complementary conical upper surface engaging and supporting said underside of said peripheral flange.

Claim 32

An electrical cooking appliance as defined in claim 27, wherein the underside of the outer downturned flange of said ring describes an upwardly directed truncated conical surface, and the inner downturned flange of said top plate includes a portion having an upper surface defining a complementary upwardly directed truncated conical surface with said outer flange of said ring, and said ring outer flange overlies and is sealed to said top plate inner flange.

Claim 33

An electrical cooking appliance as defined in claim 29, wherein the underside of the outer downturned flange of said ring describes an upwardly directed truncated conical surface, and the inner downturned flange of said top plate includes a portion having an upper surface defining a complementary upwardly directed truncated conical surface with said outer flange of said ring, and said ring outer flange overlies and is to said top plate inner flange.