Metal duct subjected to steep temperature gradients

Method and apparatus for stiffening sections and a mechanical jo

Method and fabric for making reinforcing cages

Method for producing a structural element with a reinforced...

Method of making compound pipes for conveying various fluids and

Method of preventing a fast propagation of cracks at plastic tub

Method of reinforcing a cylindrical pipeline and...

Method of treating a pipe and product produced thereby

Multi-layered translated rib-stiffened composite hollow cylinder

Out of contact highly geometrical crack arrestor

Pipe with crack stopper feature, and process of protecting a...

Pipes made of polypropylene reinforced with carbon fibers

Plugs for use in conduits to reinforce air conditioning...

Pre-stressed concrete pipe

Pressure cast concrete or mortar lined steel pipes and...

Pressure-resistant helical corrugated pipe

Pressure-resistant helical corrugated pipe

Pressure-resistant helical corrugated pipe

Prestressed concrete articles

Prestressed concrete pipe