TRELLEBORG, Sweden (Oct. 1)—Trelleborg A.B. has appointed Claus Barsoe, 54 and a veteran executive with polymer sealing producer Busak+Shamban, president of its new Trelleborg Sealing Solutions business unit. Trelleborg acquired Polymer Sealing Solutions, the precision seal division of Smiths Group P.L.C., earlier this year. Busak+Shamban is one of the operating units within Polymer Sealing Solutions. PSS brings about $715 million in sales to Trelleborg. The new unit develops, manufactures and markets security-critical polymer-based precision seals and systems, operating primarily in four market segments—industrial, automotive, aerospace and pipe seals.