FIELD: process engineering.
SUBSTANCE: invention relates to article made of folding sheet material. Article comprises sheet material with the first set of folds in odd number and second set of folds in even number extending perpendicular to said first set of folds that defines the sheet material segments. Article comprises electrically conducting pattern or printed registration code pattern on sheet segment which does not extend through the fold in unfolded position.
EFFECT: article made of folding sheet material.
44 cl, 9 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SHEET UNIT | 1991 |
|
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