Back to results
US 4,401,229 AGranted
Carton tray and lid with membrane sealing-hinging arrangement
AssigneeContainer Corporation of America
InventorsRichard L. Bell, Charles R. Helms
Life of this patent
Estimating the term…
Abstract
A carton including separate tray and cover members and a membrane interposed therebetween which serves both a sealing and hinging function.
Claims8
In a sealing-hinging arrangement for a carton, the combination of:
- (a) a body member including a rim presenting a sealing surface;
- (b) a separate lid member including a rim presenting a sealing surface;
- (c) a relatively thin, flexible, membrane formed of a sealable material and folded upon itself to present two sections separated from each other by a fold line;
- (d) one of said sections being of sufficient size and shape to cover the entire sealing surface of the rim of one of said members, and the other of said sections being of sufficient size and shape to cover at least a portion of the sealing surface of the rim of the other member at one side of said other member;
- (e) said sections being sealed to the rim sealing surfaces of the respective members to effect a hermetic seal therebetween;
- (f) said members being free from direct connection to each other, with said membrane functioning as the sole connection and hinge means between said members.
3 more elements
Dependencies are inferred from the claim text.