Patent ID: 9291263
Filing Date: 2016-03-22
CPC Classification: F16J,Y10T

Claim Text:
1. A diaphragm bellows having a winding axis, comprising at least one wound pre-profiled metal strip made from a strip material and having neighboring turns which are connected, at least in one area at their borders, wherein at least one border of the strip material of the metal strip is subjected to reverse bending by turning the strip material by an angle of about 180 degrees and to include one contact web and one reverse web which are in abutment with each other and thereby provide doubling of the strip material, and wherein the borders of the neighboring turns do not overlap in the axial direction of the winding axis, each said border of the neighboring turns includes said contact web and said reverse web, and an abutment exists between the contact webs of the neighboring turns, or an abutment exists between the contact web of one of the neighboring turns and the reverse web of another one of the neighboring turns, via which the neighboring turns are connected with one another.