Patent ID: 6979192
Filing Date: 2005-12-27
Classification: F23D

Abstract:
1. A burner head comprising: a gas passage and a plurality of burner ports; first and second planar metal sheets, each sheet having an internal face, each sheet comprising first and second portions, said first and second portions connecting at a substantially linear boundary, said first portion is formed of a first metal material and second portion is formed of a second metal material, said first material being different from said second material; said first portion of said first sheet including a depression for defining a portion of said plurality of burner ports and said second portion of said second sheet including a depression for defining a portion of said gas passage, said gas passage connecting with said burner ports at said boundary; said first portion of said second sheet including a depression for defining a further portion of said plurality burner ports and said second portion of said first sheet including a depression for defining a further portion of said gas passage, said gas passage connecting with said burner ports at said boundary; and said internal face of said first sheet connecting against said internal face of said second sheet for forming said gas passage and said plurality of burner ports.