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HOLLOW PRODUCT, METHOD AND APPARATUS FOR MANUFACTURING THE HOLLOW PRODUCT, AND FLUID TRANSPORTING SYSTEM USING THE HOLLOW PRODUCT
HOLLOW PRODUCT, METHOD AND APPARATUS FOR MANUFACTURING THE HOLLOW PRODUCT, AND FLUID TRANSPORTING SYSTEM USING THE HOLLOW PRODUCT
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机译:空心产品,制造空心产品的方法和装置以及使用该空心产品的流体输送系统
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摘要
Catalytic converter (2) includes a catalyst container (10) formed from a tubular blank (10') and having a catalyst carrier, and a flange member (11) joined to the hollow member. The tubular blank (10') is subjected to a spinning operation by forming roll or rolls (22A), to form the catalyst container (10) having a desired shape, and the opposed circumferential surfaces of the catalyst container (10) and flange member (11) are forced against each other by the forming roll or rolls (22A) or an array of presser pieces (22B) while the catalyst container and flange member are rotated relatively to each other, so that friction heat is generated for friction-welding the catalyst container and flange member at their joining portions (10b, 11b).
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