Bottles and jars – Closures – Retained by bonding or adhesive means
Patent
1989-02-27
1991-04-02
Marcus, Stephen
Bottles and jars
Closures
Retained by bonding or adhesive means
215250, 215257, 220359, 229 35MF, 22912535, B65D 5118
Patent
active
050041118
ABSTRACT:
An improved innerseal for sealing containers includes a body portion having an upper surface and structure connected to the upper surface for grasping by a user, whereby the body portion may be removed from a container quickly and efficiently. The body portion includes structure for preventing passage of fluid therethrough, and structure adapted for bonding the body portion against the upper rim of the container with a first bonding force. The bonding structure has a first bonding portion for sealing against the container rim and a second bonding portion which is adhered to the first bonding portion with a second bonding force which is less than the first bonding force. Consequently, a first part of the first bonding portion will delaminate from the second bonding portion over the container rim and remain adhered to the rim, while a second part of the first bonding portion will remain adhered to the second bonding portion, thereby exposing the opening in the container when the grasping structure is pulled. A method for manufacturing containers so sealed is also disclosed.
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Marcus Stephen
Minnesota & Mining Manufacturing Company
LandOfFree
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