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Honeycomb panel and process for producing same

  • US 5,635,306 A
  • Filed: 06/07/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 03/30/1992
  • Status: Expired due to Fees
First Claim
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1. A process for producing a honeycomb panel, including a corrugated honeycomb core formed from a sheet having a thickness, said process comprising the following sequence of steps:

  • 1) providing a side plate with a groove having a wider width than the honeycomb core sheet thickness for fitting an end face of the corrugated honeycomb core,2) filling up with a metal filler a clearance gap between the groove of said side plate,3) fitting the honeycomb core and side plate into each other4) laser beam welding along fitting portions from the side of the core, and then laser beam welding the side plate and the core to each other,5) laser beam welding the core at top portions of corrugations of the core to an upper face sheet from the side of the core,6) laser beam welding at bottom portions of corrugations of the core to a lower face sheet from the side of the lower face sheet,7) and laser beam welding the side plate to the upper and the lower face sheets.

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