Web aligning process and apparatus

Details Web aligning process and apparatus Web aligning process and apparatus

1981-09-21

1983-07-12

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156470, 226 15, 226 20, 242 571, B65H 2526

Patent

active

043929109

ABSTRACT:
An apparatus is disclosed for aligning at least two running webs with each other. It is characterized in that any lateral displacement is corrected at a position at a predetermined distance upstream of the displacement detection point or where excessive tension is not applied to the web to be corrected. Further, correction is made taking into consideration the time for the displacement detectors to follow the web movement and the time for the web to come back to a stable condition after splicing.

REFERENCES:
patent: 2941572 (1960-06-01), Deusen et al.
patent: 2990173 (1961-06-01), Melville
patent: 3577299 (1971-05-01), Klein et al.
patent: 4021031 (1977-05-01), Meihofer et al.
patent: 4054250 (1977-10-01), Henderson et al.

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