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40 Inventive Principles
Nesting (Integration)

a) Russian Doll principle: an object is placed inside another one, which, in turn, is placed inside a third object and so on.

b) An object is passed through the cavities in another object.
 

EXAMPLE:
  1. Ultrasonic-concentrator in the form of hollow cones (truncated cones) stacked one inside another.
  2. Telescope: telescopic hydraulic cylinder, telescopic antenna etc.
  3. The exchangeable “bits“ of a universal screwdriver are stored in its handle. Details