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US 6,939,285 B1Granted
Ribbon curling and shredding device
AssigneeGroup One Limited
InventorFredric Goldstein
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.
Claims8
A ribbon curling device comprising:
- Delivery means for delivering a supply of unstressed curlable ribbon;
- curling means located downstream of said delivery means for curling said ribbon;
- wherein the approach and/or departure angle of said curlable ribbon to said curling means may be changed to suit the quality of said curlable ribbon and/or the desired degree of curl tightness;
- Mechanical drive means selected from the group consisting of conveyor belts, rollers and wheels;
- and located downstream of said curling means in support of drawing the said ribbon across said curling means;
- wherein said mechanical drive wheel means includes at least one combination or pairing of said conveyor belt with at least one conveyor belt, roller and/or wheel wherein the said ribbon being disposed between the said combination or pairing;
- guide means intermediate said curling means and mechanical drive means controls the approach angle of said ribbon to said mechanical drive means.
4 more elements
A ribbon curling device comprising:
- Delivery means for delivering a supply of unstressed curlable ribbon;
- curling means located downstream of said delivery means for curling said ribbon;
- wherein the approach and/or departure angle of said curlable ribbon to the said curling means may be changed to suit the quality of said curlable ribbon and/or the desired degree of curl tightness;
- Mechanical drive means selected from the group consisting of conveyor belts, rollers and wheels;
- and located downstream of said curling means in support of drawing the said ribbon across said curling means;
- wherein said mechanical drive wheel means includes at least one combination or pairing of said conveyor belt with at least one conveyor belt, roller and/or wheel wherein said ribbon being disposed between said combination or pairing;
- and a plurality of tracking guides for engagement with a different ribbon strand of said at least two curlable ribbons.
4 more elements
Dependencies are inferred from the claim text.