Static structures (e.g. – buildings) – Module or panel having discrete edgewise or face-to-face... – Having integral key
Reexamination Certificate
2007-07-17
2007-07-17
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
Module or panel having discrete edgewise or face-to-face...
Having integral key
C403S270000, C403S271000, C105S396000, C105S397000, C228S002100, C228S112100
Reexamination Certificate
active
10371273
ABSTRACT:
Face plates11and12of a hollow shape member10are abutted against face plates21and22of a hollow shape member20. Grooves18formed to said face plates11and12at the abutted region receive projections28formed to said face plates21and22. A connecting plate14orthogonal to said face plates11and12is provided to the hollow shape member10. There is no connecting plate orthogonal to face plates21and22disposed on the end of the hollow shape member20. Friction stir welding heat causes the face plate21(22) to move toward the thickness direction of hollow shape members10and20, but such movement is suppressed by the groove18and projection28. Thereby, the abutted region is welded flatly. Since the hollow shape member20requires no connecting plate corresponding to plate14, the welded members are light in weight.
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Ezumi Masakuni
Fukuyori Kazushige
Antonelli, Terry Stout & Kraus, LLP.
Canfield Robert
Hitachi , Ltd.
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