Weck jar 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 J. WECK Company in Germany, who began selling them in 1895. They were initially sold in Germany and began selling outside of Germany in 1902. It soon became the most popular home canning system in Germany and Europe. This system uses glass jars (200 ml–1.5 l), reusable rubber seals, and glass lids. During the canning process the lids are
WECK the effort and the format was a big hit with of Buffalo's large adult population. WECK grew from a "no show" in the ratings at the time of the format change (on 4/4/81) to an all-time high of #4 in the market in late 1983. The trade publication "Inside Radio" touted the headlines: "WECK..takes town by storm" and "WECK skyrockets into contention". Radio and Records designated WECK as a "Fastest Mover" up the ratings ladder. The 1,000-watt station garnered a 7.2 share of 12+ all listeners, beating most FM, and every area AM station (including 50,000-watt WWKB) except #1 WBEN.