As of 1987, USDA will be recommending the use of one way jars such as instant coffee or mayonnaise jars to be used in a hot water bath canner only if the family has no other alternative However, these jars will not seal with the zinc lids and rubber rings…. With one way jars, the...
The window/connection is pressure resistant, permeable to microwaves, and mounted in a microwave inlet opening (5) arranged in a constitutive element of the recipient. An independent claim is also included for a microwave pressure cooker or steam sterilizer comprising a recipient.FREDERIC VANDEN...