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US4986691A
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Strip locking joint & method of making same
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US4896414A
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Waterproof cut and displace joint and method for making same
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DE3507899A1
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Device for connecting metal sheets lying one on top of the other
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US4607418A
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Means for interlocking overlapping sheet material
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US4176441A
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Locking joint machine
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US4184396A
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Locking joint manufacture
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ES448196A3
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Improvements in the appliances for holding overlapped plates of deformable material. (Machine-translation by Google Translate, not legally binding)
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CA1009510A
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Interlocking joint
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US3981064A
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Method and apparatus for interlocking overlapping sheet material
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US3934327A
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Method of interlocking overlapping sheet material
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US3885299A
|
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Method of interlocking overlying sheets
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US3924378A
|
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Interlocking joint for overlying sheet material
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ES428025A3
|
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Method for holding overlapped plates of deformable material. (Machine-translation by Google Translate, not legally binding)
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US3862485A
|
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Adjustable die and punch for sheet material fastening machines
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AU5776173A
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Adjustable die and punch for metal fastening machines
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