Patent ID: 9015916
Filing Date: 2015-04-28
Classification: B21D,B25B,F16L,Y10T

Abstract:
1. A combination comprising: a press fitting, said press fitting having a bead encircling said press fitting and a pipe-insert side, said pipe-insert side defining an end face of the press fitting; and a pressing tool for the pressing of said press fitting onto a pipe, said pressing tool comprising first, second, third and fourth pressing links, said first and second pressing links being positioned opposite to each other, said third and fourth pressing links being positioned opposite to each other, a first toggle lever connected to said first, second and third pressing links, and a second toggle lever connected to said first, second and fourth pressing links, said first pressing link being slidably engaged with said third and fourth pressing links, said second pressing link being slidably engaged with said third and fourth pressing links, each said pressing link having a pressing jaw formed thereon comprised of a first pressing geometry forming a bead pressing portion and a second pressing geometry spaced apart axially from said first pressing geometry forming a cone pressing portion, said bead pressing portion pressing said bead of said press fitting during pressing causing an axial widening of said bead, said cone pressing portion of said second pressing geometry preventing a pressed combination of the press fitting and the pipe from being pulled off one another, the second pressing geometry being formed on the pipe-insert side of the bead with respect to the combination of the press fitting and the pipe.