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2. Roof seamer - Wikipedia

   en.wikipedia.org/wiki/Roof_seamer

   This shows a cross-section profile of the seam. Mechanically seamed standing seams (double locked) A roof seamer is a portable roll forming machine that is used to install mechanically seamed structural standing-seam metal roof panels, as part of an overall metal construction building envelope system. The machine is small and portable to be ...

3. Cornwell Tools - Wikipedia

   en.wikipedia.org/wiki/Cornwell_Tools

   Cornwell Quality Tools is an American privately held company manufacturing tools for the automotive and aviation industries. [1] The company is currently based in Wadsworth, Ohio . Cornwell remains as one of two remaining mobile tool companies that still produce their own hand tools in house at their Albion, Pennsylvania foundry and Mogadore ...

4. Hemming and seaming - Wikipedia

   en.wikipedia.org/wiki/Hemming_and_seaming

   hemming process A closed hem A seam. Hemming and seaming are two similar metalworking processes in which a sheet metal edge is rolled over onto itself. Hemming is the process in which the edge is rolled flush to itself, while a seam joins the edges of two materials.

5. Metal fabrication - Wikipedia

   en.wikipedia.org/wiki/Metal_fabrication

   Modern metal fabricators use press brakes to coin or air-bend metal sheet into form. CNC-controlled backgauges use hard stops to position cut parts to place bend lines in specific positions. Assembling (joining of pieces) is done by welding, binding with adhesives, riveting, threaded fasteners, or further bending in the form of crimped seams.

6. Mac Tools - Wikipedia

   en.wikipedia.org/wiki/Mac_Tools

   Mac Tools (previously, Mechanics Tool and Forge Company) is an American company that distributes and markets professional tools and related equipment. It is headquartered in Westerville, Ohio, United States. The Mac Tools line consists of over 8,000 professional tools, including screwdrivers, ratchets, wrenches, and assorted air tools.

7. Berry Brothers Bolt Works - Wikipedia

   en.wikipedia.org/wiki/Berry_Brothers_Bolt_Works

   For more than a century after its 1888 construction, the factory produced machine tools using original equipment. The structure itself is one of Columbus' most prominent factory buildings, and it was named a historic site in its centennial year. Berry Brothers is a brick building with an asphalt roof, set on a foundation of limestone.