Unwiding device for reels of web material and relative method

Details Unwiding device for reels of web material and relative method Unwiding device for reels of web material and relative method

2005-01-20

2010-06-01

Rivera, William A (Department: 3654)

Winding, tensioning, or guiding

Unwinding

With attachment to preceding material

C242S559200

Reexamination Certificate

active

07726598

ABSTRACT:
The unwinding device comprises: a rotating element (3) with supports (13, 15) for at least two reels (B1; B2; B3); a splicing member (31, 33, 35) to join a first web material (N1) coming from an expiring reel (B1) to the initial free end (T) of a second web material (N2) wound on a new reel (B2). At least one mechanical member (21) is associated with each support (13; 15), to retain the initial free end (T) of the reel disposed on the support, to hold the initial free end until splicing of the two web materials.

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patent: 6729573 (2004-05-01), Burri et al.
patent: 6764040 (2004-07-01), Kiyota

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