RB INDUSTRIES <RBI> COMPLETES STORE SALES RB Industries Inc said it completed the sale of its W and J SLoane Division to Laurence Crink Jr and a group of investors. The definitive agreement provides for a closing on April 1, 1987. The division consists of four W and J Sloane furniture store in Los Angeles and Orange counties. RB Industries also said it recently secured a five-year 8.573 pct secured 9.9-mln-dlr loan on its Irvine property from a major institution. Proceeds will be used to retire existing bank debt, for working capital and to retire a portion of its outstanding 12 pct debentures.