| 摘要 |
<p>#CMT# #/CMT# The burner cover plate (25) has a shaft (251) protruding from its lower side and extending through an opening (231) in a burner head wall (230) on the side of the head (23) facing this plate. The part protruding inside the burner head comprises a hardened smelted section of the shaft. #CMT# : #/CMT# The burner comprises a cup which has a head on top of it containing flame holes. The cover is provided on the top side of the cup. An independent claim is also included for a method for making a gas cooker burner with a heat resistant cover plate, comprising forming a cover plate with a protruding shaft, fitting the plate onto the burner and inserting the shaft into an opening in the burner wall and working a rotary mandrel against the end of the shaft in order to form a smelt which is forced through the opening. #CMT#USE : #/CMT# For gas cookers. #CMT#ADVANTAGE : #/CMT# The cover plate is subjected to less extreme conditions during its production, allowing less expensive materials to be used compared with plates made by conventional casting methods. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure shows a cross-section of the burner during its production. 23 : burner head 25 : burner cover plate 230 : wall 231 : opening in wall 251 : protruding shaft.</p> |
