FIELD: technological processes.
SUBSTANCE: invention is related to technologies of production of light volume fillers from sheet materials and may be used in production of multilayer panels used in aircrafts, construction and other industries. On both sides on sheet billet marks are applied as grooves, and sheet billet is further bent along grooves to produce zigzag corrugations of volume relief structure. Marking along zigzag lines of folded structure is arranged by at least three rows of parallel grooves, which create folds of triangular profile between them with height of at least thickness of glue layer for filler connection to boarding of multilayer panel. At that puncheons creating creases along zigzag marking lines are arranged in the form of plates with triangular profile, and height of their profile is not less than thickness of glue joint of filler connection to boarding of multilayer panel.
EFFECT: increased strength of boarding connection to filler of multilayer panel.
2 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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