24 Intermediary

Use an intermediary carrier article or intermediary process.
  • Carpenter s nailset, used between the hammer and the nail

Merge one object temporarily with another (which can be easily removed).
  • Pot holder to carry hot dishes to the table
TRIZ principe 24


Is this principle frequently used?

This principle is rarely used with 92 instances in the matrix.

This principle is proposed to solve the following contradictions:

Click on a contradiction to explore it

1/24 1/33 1/39 3/19 3/24 3/30 3/36 3/37 3/38 4/23 4/24 5/32 7/38 8/11 9/28 9/31 10/28 10/31 11/8 11/19 11/38 13/30 16/28 17/28 17/29 17/31 19/13 19/17 19/22 19/23 21/27 23/4 23/19 23/26 23/29 23/33 23/36 24/1 24/25 24/26 25/4 25/24 25/28 25/29 25/38 26/23 26/24 27/7 27/8 27/11 27/35 28/9 28/16 28/17 28/25 28/30 28/37 29/23 30/2 30/13 30/19 30/27 30/32 30/39 31/17 31/18 31/26 31/27 32/18 32/21 32/24 32/26 32/30 33/18 33/19 33/23 35/27 36/3 36/18 36/29 36/33 36/38 37/3 37/18 37/23 37/28 38/25 38/36 39/1 39/30 39/32 39/36


The colour indicates the ranking of the proposed principle to solve the contradiction: 1st, 2nd, 3rd, 4th.
This ranking reflects the frequency of occurrence of the principle in the analysed patents for this type of contradiction.
When a principle appears in first position, it means that it is statistically the most used in the patents studied for this type of problem.