Patent ID: 9410646
Filing Date: 2016-08-09
CPC Classification: B21D,B25B,F16L,Y10T

Claim Text:
1. A method for producing a pipe connection having an increased burst pressure of a press fitting using a pressing tool, wherein the pressing tool comprises at least two pressing elements and a drive means for closing the pressing elements, and wherein the drive means is connected with at least one of the pressing elements, the method comprising placing the press fitting onto two pipe ends to be connected to one another; compressing the press fitting against one of the two pipe ends by plastically deforming the press fitting and the pipe end to form a bulge and a first indentation; placing a spacer against the bulge; repeating compressing the press fitting on the same pipe end at a distance from a first compression point defined by the spacer by plastically deforming the press fitting and the pipe end to form a second indentation; and connecting the press fitting to a second pipe end.