Plastic snap hinge closure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 1995
Issued Date -
N/A
app pub date -
Nov 2, 1993
filing date -
Feb 12, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plastic snap hinge closure having a film hinge which connects a lower part to an upper part. At least one tension element having two opposite end portions is connected to a closure wall of the lower part and the upper part. Each tension element preferably has a cross section with an overall sinuous shape. A continuously elastic strap section of each tension element has an inner side and an outer side. The inner side has a plurality of inner grooves which are spaced and preferably positioned approximately parallel with respect to each other. The outer side has a plurality of outer grooves which are spaced and preferably positioned approximately parallel with respect to each other. An inner land is positioned between two adjacent inner grooves and an outer land is positioned between two adjacent outer grooves. Along an axis of elasticity of the continuously elastic strap section, each inner groove is positioned opposite a corresponding outer land and each outer groove is positioned opposite a corresponding inner land.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully