Patents Assigned to RAIKU Packaging OÜ
  • Patent number: 12781824
    Abstract: A wooden spring includes a strip of wood of medium thickness a, medium width b, and stretched length l. The coils of strips of wood are made using a method of making wooden springs with a helical shape, the coils having a mean diameter d and an average pitch s. Medium thickness a is 0.2 to 2 millimeters (mm), medium width b is 1 to 10 mm, stretched length l is 10 to 5000 mm, mean diameter d is 6 to 60 mm, and average pitch s is 4 to 40 mm. A wooden fabric interlaced of wooden springs includes helix shaped strips of wood. The wooden springs are interlaced with at least two side by side wooden springs to form a wooden spring fabric.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: November 3, 2026
    Assignee: RAIKU Packaging OÜ
    Inventor: Rain Randsberg