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
Kevin Kilner show in the second-season premiere. In 2009, he appeared on a few episodes of the Joss Whedon show "Dollhouse". Kilner is an alumnus of Dulaney High School and the Johns Hopkins University in Baltimore. While attending Johns Hopkins he was a member of the National Champion lacrosse team. From June 30 to July 16, 2006, he appeared on stage in the Alley Theatre production of "Wait Until Dark". Kevin Kilner Kevin Kilner (born May 3, 1958) is an American television and film actor. Kilner was born in Baltimore, Maryland, the son of Dorothea, a kindergarten teacher, and Edward Kilner, who