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10:04 Jun 30, 2011 |
English language (monolingual) [PRO] Tech/Engineering - Metallurgy / Casting | |||||||
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| Selected response from: B D Finch France Local time: 03:22 | ||||||
Grading comment
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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3 +1 | a weld that forms a flat "fin" at the end of a flattened tube |
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Discussion entries: 4 | |
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a weld that forms a flat "fin" at the end of a flattened tube Explanation: Only one term per question, so I have only answered for "fin weld", which is what you said is the problem. Look at the 2nd drawing where the fin welds are shown (not a very good drawing, but I think it is fairly clear: "Roof covering or wall covering according to claim 1, characterized in that the flexible tubes (19) are closed by welding at their oppositely situated end faces, preferably by a fin weld (22) in each case." http://books.google.com/patents/about?id=i88cAAAAEBAJ -------------------------------------------------- Note added at 3 hrs (2011-06-30 13:40:29 GMT) -------------------------------------------------- "Guides for performing lap welds, fin welds and hem welds, as well as many variations thereupon, are also disclosed." http://ip.com/patent/US6213184 On the other hand, this ref shows something completely different, more line a fin that is welded around a tube. http://www.wriindia.com/wriwebsite_updation-271010.pdf |
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