Apparatus for welding of continuous loop ribbon

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Means joining flexible indefinite length or endless bodies...

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156734, 156157, 156250, 156526, 1565801, 264152, 269 24, 269 42, 269 871, 269 91, 269109, 269242, 403270, 901 39, B65H 6902

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046295305

ABSTRACT:
There is provided a method and apparatus for adjoining the two ends of a length of impact printer ribbon to form a continuous loop of ribbon within a ribbon cartridge. A welding fixture includes a plate, alignment guide bars defining crisscrossed alignment paths for the ribbon ends, clamps for securing the ribbon ends within the alignment paths, and a cutter mechanism for precisely cutting the ribbon. The fixture further includes mechanical means for manipulating the ribbon during the welding process. The apparatus and method of the present invention enables the ribbon welding process to be streamlined and the precision to be greatly improved.

REFERENCES:
patent: 1342891 (1920-06-01), Bergstrom
patent: 2188433 (1940-01-01), Friese
patent: 3354769 (1967-11-01), Abramson et al.
patent: 3362301 (1968-01-01), Kohlitz
patent: 3375727 (1968-04-01), Techtmann et al.
patent: 3447994 (1969-06-01), Abramson et al.
patent: 3533616 (1970-10-01), Bettenhausen
patent: 3821048 (1974-06-01), Acker
patent: 3951271 (1976-04-01), Mette
patent: 4105489 (1978-08-01), Lotto
patent: 4280279 (1981-07-01), Grundfest
patent: 4313781 (1982-02-01), Rouigo
patent: 4344729 (1982-08-01), Orsinger
patent: 4368096 (1983-01-01), Kobayashi
patent: 4482421 (1984-11-01), Gurak
Branson "Ultrasonic News" 4/1974, pp. 8-11.
Branson "Ribbon Splicing Fixture" 8/79, Data Sheet FF-6.

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