./P=/A -f-s 



// 



/^=^'0' 



i^/'=/.<^y 



-7 



// 



2'S-f" ^ 5^' 



J'^f 



/ 



Figure 1 , First concept 



COi~l> C/c/^Cj9A//^^ 



c 



6- 



-f^' 



-/^£-^/9/V£- 6o/^c/rr/ 



-^-> 



Figure 2. Cold vulcanization and Flexane 80 putty 



19 



