Weck jar secured by steel tension clips which can be removed once a vacuum seal has formed. During storage the vertical position of the rubber seal's external tongue indicates the status of the sealing. Weck products are still produced and are available from German hardware and online stores. Used equipment is frequently sold on online auction sites and in opportunity shops. Weck jar A Weck jar is a molded glass jar used in canning to preserve food. It is popularly used for jam preservation, for its minimal look and foolproof rubber gasket with a glass lid. Weck jars were created by the
WECK cluster in 2006. In February 2006, WECK abruptly pulled the plug on the standards format. In an attempt to capitalize on the success of sister station WYRK, the group's most successful station, WECK switched to the Jones Radio Network classic country format. On November 5, 2007, local resident Dick Greene, owner of WLVL in nearby Lockport, New York, announced that he had purchased WECK for $1.3 million through his company, Culver Communications. On March 12, 2008, Greene launched a new talk radio format, mixed with local and syndicated programming. WECK immediately made headlines with the hiring of Buffalo radio veterans