TAMPA — Established in Ybor City, Silver Ring Café has been slinging Cuban sandwiches and Latin cuisine to Tampa Bay patrons for 77 years but, until last week, had not had a presence in Tampa since 2008. “It was time to bring it back,” said Nelson Valdes, 64. Valdes opened a Silver Ring Café inside Westshore Plaza’s food court, doing so with Tim Booth, whose family has owned the rights to the .