The main intention of the company RAVEN a.s. is to deliver its customers high-quality goods at the favourable prices and maximal service. 
   
Intro- plant of the services offered in connection with reinforcing steel (deliveries, shearing, bending), Raven a.s. completed its offer by production of concrete cages for piles.

  
Raven a.s. disposes of its own modern machine for producing of concrete cage to spiles in the length up to 16 metres. The production of concrete cage proceeds by welding of endless spiral to the carrier bars with programmable pitch.

In consideration of the building standards which determine the minimal cover to reinforcement in the concrete spile and the wall thickness of casing pipe, the marginal parameters are following:

Ø of concrete cage	Min.	200 mm
	Max.	1 500 mm
Max. weight of concrete cage		3 000 kg
Max. length of concrete cage		16  000 mm
Max. Ø of spiral wire		16 mm
Max. Ø of wire of bars		32 mm

- Pitch of spiral: min./max.: 50-300 mm