Mamoun, Grigory, Mallow, Bucza
# 1992 Eindhoven
In current practice. even relatively benign damage to plastic ipes can require the complete replacement of the damaged section. T is costly process can be performed more efficiently with a n in situ patch repair procedure that uses a newly synthesized repair material. This material has mechanical properties comparable to conventional PE, but with a higher melt flow index. The use of this material allows patches to be joined to unscraped pipe that will infiltrate sharp nicks and crevices, thus retarding the possibility of long-term failure by slow crack growth.