Patent ID: 9205480
Filing Date: 2015-12-08
Classification: B21D,B23P,Y10T

Abstract:
1. A method of preparing a piling system for installation, the method comprising: providing a hollow piling having an inner surface and an outer surface, wherein the inner surface has an inner diameter and the outer surface has an outer diameter, the piling having a lower end; providing a friction collar, the friction collar having an outer surface with a diameter greater than the outer diameter of the piling, the friction collar having an inner surface, the inner surface of the friction collar having a lower portion with a diameter less than the outer diameter of the piling and greater than the inner diameter of the piling, the inner surface of the friction collar further having an intermediate portion with the diameter greater than the outer diameter of the piling, and the inner surface of the collar having an upper portion with a diameter greater than the outer diameter of the piling and less than the diameter of the intermediate portion; providing a hydraulic press, the hydraulic press comprising a form punch, a tube retaining bracket, and a bottom alignment ring; inserting the lower end of the piling into the collar such that the lower end of the piling is aligned with the intermediate portion of the inner surface of the friction collar, an empty space being formed between the outer surface of the piling and the inner surface of the intermediate portion of the inner surface of the friction collar; inserting the piling into the hydraulic press; moving the piling into position using the tube retaining bracket and the bottom alignment ring; and flaring the lower end of the piling outwardly using the form punch such that it extends into the empty space of the intermediate portion.