PERFECT SEAL CANNING LID DEVICE AND SYSTEM

A reusable canning lid device and system for a canning container includes a plastic lid, a seal, and a band. The lid or band includes a raised portion such that the seal is not circumferentially equal in compressed communication which allows relief of pressure built up in a typical pressure canning,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	COX EDWARD J, WASHELESKI JOHN M, SHANK DAVID W
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	A reusable canning lid device and system for a canning container includes a plastic lid, a seal, and a band. The lid or band includes a raised portion such that the seal is not circumferentially equal in compressed communication which allows relief of pressure built up in a typical pressure canning, water bath, or vacuum sealing application. This makes it safe to the risk of overpressure and scalding. It is an important advance in the technology of canning and other applications of pressure control in thermal situations. Safety is very important to a typical canner who has limited capability to prevent explosive pressures from building up due to steam pressure expansion and high forces causing container bursts.