Method of superposing webs

Details Method of superposing webs Method of superposing webs

1990-12-06

1992-01-07

Look, Edward K.

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270 60, B65H 3900

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050783750

ABSTRACT:
A method for superimposing webs where multiple ply cut pieces are applied to a carrier from one vacuum applicator cylinder or drum by first cutting multiple pieces from continuous webs and aligning the trailing edge of the multiple pieces or web lengths. These pieces may be of equal or unequal lenghth or of equal or unequal width and these are applied to a carrier at high speed and accurately positioned irrespective of whether the carrier is continuous or non-continuous. The invention applies to lengths of paper, film, foil, fabric or the like, any of which that are flexible enough to conform to the vacuum drum or cylinder by vacuum.

REFERENCES:
patent: 3070365 (1962-12-01), Lohrmann
patent: 3104799 (1963-09-01), Steidinger
patent: 3339827 (1967-09-01), Steidinger
patent: 3363520 (1968-01-01), Obenshain
patent: 3777971 (1973-12-01), Steidinger
patent: 4014535 (1977-03-01), Kleid
patent: 4095695 (1978-06-01), Steidinger
patent: 4190241 (1980-02-01), Kruger
patent: 4231558 (1980-11-01), Aterianus
patent: 4349185 (1982-09-01), Steidinger

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