{HEAD ~ The diaphragm} is substantially cylindrical in {TAIL ~ configuration}, and has its one axial end connected to the housing while the other end is outwardly folded back upon itself toward said one end, with an inner periphery which is located toward the other end beyond the folded end being fitted around the outer peripheral surface of the piston in close contact therewith 
{ HEAD ~ The diaphragm } is substantially cylindrical in { TAIL ~ configuration } , and has its one axial end connected to the housing while the other end is outwardly folded back upon itself toward said one end , with an inner periphery which is located toward the other end beyond the folded end being fitted around the outer peripheral surface of the piston in close contact therewith
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH