Kerr Vs Ball Canning Jars

While ball now has all the recognition in home canning it was actually kerr who introduced two fundamentals we now use today.
Kerr vs ball canning jars. Kerr born 4 september 1862 in philadelphia pennsylvania. I suppose kerr jars may have a slightly thicker wall because they don t have the extra designs on the side. The kerr jar company was founded by alexander h. The jars are also known as ball jars thanks to the ball corporation that still manufactures the jars.
The way to tell which ball kerr jars are suitable for freezing is to look at the sides. They actually feel like a heavier glass than ball or kerr jars. Ball corporation no longer sells home canning products. I rather like my ball jars and the quilted jars no matter the jar is not smooth.
Kerr also founded the hermetic fruit jar company in the same year. Straight sides are suitable for the freezer. Any ball kerr jar with a shoulder cannot be put in the freezer safely but is a appropriate for canning. San francisco man julius landsberger patented metal lids fastened onto a composition gasket.
Also fillmore container sent me a case of the anchor hocking jars. A mason jar lid with the gasket affixed to its underside and wide mouth jars. Kerr in 1915 created a flat metal disc lid to fit onto a mason jar to use with other canning jars. They also make kerr bernardin and golden harvest canning jars.
Home to ball and kerr mason jars freshtech appliances canning supplies and ingredients. The alltrista corporation has been manufacturing the ball glass canning jars. Jarden owns both companies i also like orchard road jars they seem like heavier glass. Ball copied these innovations.
I really like those jars too. Ball spun off that part of their business in 1993 as alltrista corporation which is now jarden corp. Kerr used the patents to create a revelation in preserving food. The glass jars were created to form a hermetic seal and were used for canning and jarring.