Diaphragm bellows
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Aug 4, 2015
filing date -
Aug 4, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a diaphragm bellows, diaphragms that follow one another are welded together alternately in region of their inner and outer edges. At least one guide part is provided for guiding on a surface of a rod passing through an inner through-opening in the diaphragm bellows or of a tube surrounding the diaphragm bellows. The at least one guide part is made of sheet metal and has a holding portion which, in the case of guiding on a rod, is located, in a region of an outer edge, between adjacent diaphragms and is welded to the adjacent diaphragms and, in the case of guiding on a tube, is located, in the region of an inner edge, between adjacent diaphragms and is welded to the adjacent diaphragms. The holding portion is connected to a guide portion for guiding on the surface of the rod or of the tube.
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