(57) A double ring gas burner, particularly for built-in cooking hobs, comprising an injector
support cup (2) on which a burner body (36) is removably applied, with an axial duct
(38) inserted in said cup (2) in a position facing a gas delivery nozzle (12) fitted
to the cup base, and a flame divider element (56) positioned in an annular seat (54)
provided in the rim (40) of said body (36), characterised by further comprising:
- a disc-shaped element (50) rigid with the burner body for upperly closing the cup
(2), the side wall of which comprises apertures (24) for intake of primary air, said
apertures being placed below the cooking hob when said burner body is applied to it,
- a plurality of radial channels (52) connecting the axial duct (38) of the burner body
(36) to the annular seat (54) for the flame divider element (56),
- a plurality of passages connecting the space overlying said disc-shaped closure element
(50) and bounded externally by the rim (40) of the burner body to the space overlying
the cooking hob (6) external to said rim.
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