Patent ID: 7861757
Filing Date: 2011-01-04
Classification: B29C,B29K,B29L,F16J

Abstract:
1. An apparatus for forming a flashless weld between extrusion ends comprising: a) a first and a second mold for supporting and clamping the ends of at least one extrusion; b) a locator for positioning the extrusion ends location with respect to said molds; c) a heating element for elevating the temperature of said extrusion ends to a welding condition; d) a clamping device for securing the extrusions during said welding operation; and e) means for moving the first and second molds into contact with each other over the extrusion ends; f) whereby flashless welding occurs by clamping and plunging at least one said extrusion ends from one mold into the other mold until contact is made against said other extrusion end within said other mold.