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US 5,304,266 AGranted
Continuous loop ribbon welding system
OwnerPaul E. Beckinginventor
Life of this patent
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Abstract
There is provided a method and apparatus for adjoining two ends of a length of impact printer ribbon to form a continuous loop of ribbon. A welding fixture, including a welding anvil, ironing anvil and ultrasonic horn are provided to join the ribbon ends. Tensioning slides are provided to grip the ribbon ends and tension the ribbon during welding operations. A microprocessor controls a series of pistons, switches and solenoids to control the welding sequence.
Claims2
A method for adjoining two segments of a ribbon made of a fusible material, comprising:
- securing the two ribbon segments in overlapping position;
- selecting the optimum fusing tension for at least one of the secured ribbon segments;
- adjusting the tension on said one ribbon segment to apply the optimum tension;
- and
- fusing the two ribbon segments together within the overlapped portions while the optimum tension is being applied.
2 more elements
Dependencies are inferred from the claim text.