Method and apparatus for applying an elastic in a curved...

Details Method and apparatus for applying an elastic in a curved... Method and apparatus for applying an elastic in a curved...

A - Human Necessities

41

H

154/30, 223/6

A41H 43/04 (2006.01) A61F 13/15 (2006.01)

Patent

CA 2001912

METHOD AND APPARATUS FOR APPLYING AN ELASTIC IN A CURVED PATTERN TO A MOVING WEB ABSTRACT An apparatus (10) of the type for applying an elastic ribbon (18) onto the surface of a moving web (12) in curved line path relative to the longitudinal centerline (14) of the web (12) includes a nip roll (16) for directly rolling the elastic ribbon (18) into engagement with the moving web (12) and an oscillating roll (20) adjacent to and spaced from the nip roll (16) for oscillating the elastic ribbon (18) in a direction transverse the centerline of the web (12) and applying the elastic ribbon (18) to the nip roll (16) in the curved line path. A guide roll (22) guides the elastic ribbon (18) to wrap around the oscillating roll (20) and tension the elastic ribbon sufficiently for tracking and holding the lateral position of the elastic ribbon (18) on the nip roll (16) to be applied to the moving web (12) in the curved line path.

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