首页>
外国专利>
PROCEDURES AND PREPARATIONS FOR SUCH SPECIFICATIONS AS A FLANGE AT THE END OF A ROUND OR OVAL ROAD FROM A DANGEROUS BOTTLE AND AFTER THE ROAD PRESENTED
PROCEDURES AND PREPARATIONS FOR SUCH SPECIFICATIONS AS A FLANGE AT THE END OF A ROUND OR OVAL ROAD FROM A DANGEROUS BOTTLE AND AFTER THE ROAD PRESENTED
展开▼
机译:规程和准备工作,如在危险瓶的圆或椭圆形道路尽头并在假定道路之后作为法兰
展开▼
页面导航
摘要
著录项
相似文献
摘要
The invention proposes a method for the integral molding of a flange (5) onto the end of a round or oval pipe (11) of thin-walled sheet metal. This method takes place in two stages. In a first stage, for the purpose of accumulating material, a sectionally circular or spiral-shaped bead (17) is molded on by means of a pre-forming roller tool (9), comprising a combination of rollers (13 to 15) (Figure a). In a second stage, the molded-on bead is compacted with the aid of a final-forming roller tool (18), comprising the rollers (19) and (20), to produce an at least partly solid flange (5) (Figure b).
展开▼