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US 5,040,695 AGranted
Tear off hinge
AssigneeW. R. Grace & Co.-Conn.
InventorsDwight V. Adams, Donald S. Aikin
Life of this patent
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Abstract
A molded container includes body and cover portions and a hinge with a central thickened rib and relatively thin segments on either side of the rib. A means for initiating tear can be used to tear open the container along the hinge to provide quick access to the interior of the container.
Claims8
A molded container comprising:
- a) a body portion;
- b) a cover portion;
- c) a hinge joining the body and cover portions;
- and
- d) said hinge comprising:
- i) a relatively thick rib along substantially the entire length of the hinge,
- ii) a relatively thin segment on each side of the rib, connecting the rib to the body and cover portions respectively, and
- iii) a means for initiating tearing, disposed at one end of the rib.
5 more elements
Dependencies are inferred from the claim text.