This means that a depth t of the embossing, or of the cusps 18 21, is less in each case than {TAIL ~ the thickness d} of {HEAD ~ a spring lamination} shown in FIG 3 
This means that a depth t of the embossing , or of the cusps 18 21 , is less in each case than { TAIL ~ the thickness d } of { HEAD ~ a spring lamination } shown in FIG 3
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH