doubt in animation

in solidwroks i want to make animation like two pipes joining... in that pipe assembly there is  one ruuber gasket is there i want to bend the ruber gasket after some time it will come original position.......

my doubts is - is ti posible to bend and unbend the rubber gasket????

any tips or video links......

Thnaks in adv

Parthi

SolidworksAssemblies