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Karl V Thomsen, Richard W Radler: Welding of web materials. Xerox Corporation, Peter H Kondo, John E Beck, Ronald Zibelli, July 30, 1985: US04532166 (54 worldwide citation)

A welded web comprising a first edge of a web having at least one aperture overlapping a second edge of a web comprising thermoplastic material on an exposed surface along the second edge to form a region of contiguous contact between the first edge and the second edge, at least a portion of the the ...


2
LINE FOR THE PRODUCTION OF SPOOLS OF WEB MATERIAL. November 16, 2017: US20170327336-A1

The line comprises: an unwinding section (3) for unwinding parent reels (Ba, Bb, Bm) of web material (Na, Nb), with at least a first unwinding station (5; 7); at least a winding station (15) downstream of the unwinding section (3); a feed path from the unwinding section (3) toward the winding statio ...


3
MACHINE AND METHOD FOR THE WINDING OF STRIPS OF WEB MATERIAL WITH MEANS FOR TRANSVERSAL CUTTING OF THE STRIPS AND ANCHORING OF THE STRIPS TO THE WINDING CORE. November 16, 2017: US20170327338-A1

The machine (1) comprises an unwinding section (3) for unwinding parent reels (Ba, Bb) of web material (N), an unwinding section (3) for unwinding parent reels (Ba, Bb) of web material (Na, Nb), and at least one winding station (15). The winding station in turn comprises a winding device (41, 51), t ...


4
MACHINE FOR THE PRODUCTION OF SPOOLS WITH A SYSTEM FOR ALIGNMENT OF THE LONGITUDINAL CUTTING BLADES AND THE PATH OF THE LONGITUDINAL STRIPS GENERATED BY CUTTING WITH THE BLADES, AND RELEVANT METHOD. November 16, 2017: US20170327339-A1

The machine (1) comprises: an unwinding section (3) of parent reels (Ba, Bb) of web material (Na, Nb); a cutting station (13), comprising a plurality of cutting members (201, 203) to divide the web material (Na, Nb) into longitudinal strips (S); a plurality of winding stations (15); in each winding ...


5
WINDING MACHINE FOR SPOOLS OF WEB MATERIAL AND METHOD. November 16, 2017: US20170327335-A1

The machine comprises an unwinding section (3) for unwinding parent reels (Ba, Bb) of web material (Na, Nb), and at least one unwinding station (15). A winding device (41, 53) is arranged in the unwinding station, and a longitudinal strip (S) of web material is fed to it and a respective spool (B) o ...