FRP make island fundamental firing base

摘要

Topic The FRP make island fundamental firing base where operating efficiency when inspecting inside the island fundamental firing base itself improves is offered.SolutionsIn the upper edge of the barrel of the closed-end the firing base itself and the flange outside aforementioned being overturned in the said firing base itself which the outside flange lap facilities are done, suffering the lid 1 which is stuck and, it had, the fiber-reinforced plastic (FRP) make being the island fundamental firing base, opening 13 for the inspection 80 - 150mm one or more it can provide the overall diameter at least in the lid. Choice figure Drawing 1