Fabric alignment method and machine

Details Fabric alignment method and machine Fabric alignment method and machine

1979-09-17

1981-04-14

Christian, Leonard D.

Advancing material of indeterminate length

Processes

Involving registration of material

226 15, B65H 2302

Patent

active

042614988

ABSTRACT:
Method and apparatus to automatically detect and correct the bow and skew of a moving web of material. Individually controlled rolls are employed to speed up or retard the speed of a section of web material when a control mark is detected by a magnetic response detector to realign the section of fabric detected with other sections of the web of material.

REFERENCES:
patent: Re29267 (1977-06-01), Leitner et al.
patent: 2077439 (1937-04-01), Schmitt
patent: 2840659 (1958-06-01), Cooley
patent: 3313942 (1967-04-01), Lange
patent: 3653322 (1972-04-01), Richardson
patent: 3701464 (1972-10-01), Crum
patent: 3750129 (1973-07-01), Takeno et al.
patent: 3830084 (1974-08-01), Caputi

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