porcelain enamel plate bolts of gas appliances

摘要

PURPOSE: A fixing bolt for an upper porcelain enamel plate of gas appliances is provided to prevent deformation and separation of fluorine resin washers and to improve the fastening performance by preventing a loosening of the fixing bolt. CONSTITUTION: A fixing bolt(40) fixes an upper porcelain enamel plate(11) of gas appliances. A fluorine resin washer is coupled to the fixing bolt with being inserted into the upper porcelain enamel plate. An insertion portion(42) is formed in a head portion(41) of the fixing bolt. A stepped fitting portion(31) is formed on an upper part of a washer body, and inserted into the insertion portion.