Flashless welding method and apparatus

Details Flashless welding method and apparatus Flashless welding method and apparatus

2011-01-04

2011-01-04

Sells, James (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

C156S580000

Reexamination Certificate

active

07861757

ABSTRACT:
A method and apparatus for welding two separate ends of an extrusion or two separate extrusion ends to form a flashless extrudate or gasket by having a first and a second mold for supporting and clamping the extrusion ends, and a spacer bar for positioning the extrusion ends to a location within the mold. A heating element elevates the temperature of the extrusion ends to a welding condition, and a clamping device is used for securing the extrusion ends. A flashless welding operation results by inserting and clamping at least one heated extrusion end into a welding mold until an acceptable contact pressure is obtained against the opposing heated extrusion end.

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