One piece flow or single piece flow is a cornerstone concept in Lean Manufacturing.
The concept as itself is hard to implement, therefore it is always nice to see how it really works in practice. This video example (Case study) is from the metal industry and shows how production of a pipe can be set up to follow One piece flow.
There are several benefits reported when implementing One piece flow:
For those who want to learn more:
“Achieving one-piece flow”, an article from Darren Dolcemascolo at Reliable Plant: http://www.reliableplant.com/Read/14703/one-piece-flow
The Benefits of Lean Manufacturing: Single Piece Flow: http://www.gembutsu.com/articles/leanmanufacturingprinciples.html