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US 5,518,492 AGranted
Ribbon curling and shredding device
OwnerFredric Goldsteininventor
Life of this patent
Estimating the term…
Abstract
A device for curling polypropylene ribbon comprises means (12) for delivering a supply of curlable ribbon, curling means (17) for the ribbon, and drive means (31-33) for drawing the ribbon across said curling means. The device may include guide means to control the approach angle of ribbon to the curling means, drag means to impose drag on said ribbon, and shredding means to shred said ribbon subsequent to curling.
Claims20
A ribbon curling device comprising:
- delivery means (12) for delivering a supply of unstressed curlable ribbon;
- curling means (17) located downstream of said delivery means (12) for curling the ribbon;
- mechanical drive wheel means (31, 32, 33) located downstream of said curling means (17) for drawing the ribbon across said curling means (17);
- and
- stripping means (36) for separating the ribbon from said mechanical drive wheel means.
2 more elements
A ribbon curling device comprising:
- delivery means (12) for delivering a supply of unstressed curlable ribbon;
- curling means (17) located downstream of said delivery means (12) for curling the ribbon;
- drive means (31, 32, 33) located downstream of said curling means (17) for drawing the ribbon across said curling means (17), said drive means comprising a train of three wheels (31, 32, 33) around which the ribbon follows a serpentine course in use;
- stripping means (36) for separating the ribbon from said drive means;
- and
- ribbon shredding means (35) intermediate two of said wheels.
3 more elements
A ribbon curling device comprising:
- delivery means (12) for delivering a supply of unstressed curlable ribbon;
- curling means (17) located downstream of said delivery means (12) for curling the ribbon;
- drive means (31, 32, 33) located downstream of said curling means (17) for drawing the ribbon across said curling means (17);
- stripping means (36) for separating the ribbon from said drive means;
- and
- ribbon guide means (81) intermediate said curling means and drive means, said ribbon guide means (81) controlling the approach angle of ribbon to said drive means, said ribbon guide means (81) forming a convex guide surface.
3 more elements
Dependencies are inferred from the claim text.