Method for making window frames or the like

Details Method for making window frames or the like Method for making window frames or the like

B - Operations, Transporting

29

C

18/972

B29C 65/00 (2006.01) B29C 37/04 (2006.01) B29C 65/20 (2006.01)

Patent

CA 1259159

Abstract of the Disclosure In the manufacture of welded corner joints between hollow plastic sections shaped parts are used which abut against the plastic sections during the heating-up operation and also during the welding process. In this way the result is achieved that the weld bead or plastic rim which forms during the welding, is pressed into the hollow cavity or into the hollow cavities so that a subsequent operation for the purpose of removing the weld bead is not necessary.

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