Method for welding components of multi-layer construction

Method for welding components of multi-layer construction

  • CN 1,879,580 B
  • Filed: 06/27/2001
  • Issued: 05/14/2014
  • Est. Priority Date: 06/28/2000
  • Status: Active Grant
First Claim
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1. a method that forms weld seam between two layers in multilayer module, comprises the following steps:

  • the multilayer module of layering is provided, comprisesWith first skin (1,11,30,201,301,401) on the first outer and inner surface,With second skin (2,14,33,202,302,402) on the second outer and inner surface, andAt least one intermediate layer (3,12,13,31,32,203,303,304,405) between this first skin and this second skin, wherein;

    The first skin has the firstth district of the absorbent unit that comprises the laser that can absorb within the scope of setted wavelength and comprises that the Second Region without absorbent unit, the second skin have 3rd district, the absorbent of comprising unit, and Gai tri-Yu Gai Second Regions, district are overlapping,Outerly described at least one allow laser from its outer surface near transmission its inner surface and any energy absorption to laser not in fact;

    The laser (4 of guiding within the scope of setted wavelength, 17,18,19,35,36,37,206,208) pass through skin towards the absorbent unit in the firstth district, thereby set up the first welding region thering is the first outer field surface in the firstth district that comprises absorbent unit and have facing to this between surface of first outer field one deck in the firstth district that comprises absorbent unitThe laser (4 of guiding within the scope of setted wavelength, 17,18,19,35,36,37,206,208) and Second Region absorbent unit towards tri-district in outer by least one, thus comprise the second outer field surface in 3rd district, absorbent unit and set up the second welding region facing to having between the surface of the second outer field one deck that comprises 3rd district, absorbent unit having.

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