Patent ID: 8404175
Filing Date: 2013-03-26
Classification: B23K,B29C,B29L

Abstract:
1. Method for the manufacture of a plurality of plastic packagings, comprising: providing a heated preform, shaping a preform to a preliminary packaging, removing an upper part of the packaging of this preliminary packaging in a cutting module wherein in removing the upper part of the packaging of the preliminary packaging at least one laser cutting unit performs a cutting operation on the preliminary packaging, and wherein several of the preliminary packagings are simultaneously and respectively treated with one laser cutting unit each, and moving the preliminary packagings as well as the laser cutting units on an essentially circular conveyor track during the cutting operation, wherein the laser cutting units stand still while laser beams move along the conveyor track such that a relative stand still between the laser beam and the preliminary packaging is generated during cutting, and splitting up a laser beam by a centrally arranged distributions node to the various laser cutting units during cutting.