Abstract:
A system, apparatus and method is provided for perforating a web such as a paper tissue or paper toweling into distinct and perforated sheets. The invention provides a laser array capable of providing an incident beam of light upon the surface of the web. The web travels at relatively high speed on a web support mechanism. The web is contacted by the laser light source, which is directed at predetermined locations upon the web to provide a perforation or severing of the web. The employment of a laser in the practice of the invention provides the ability to precisely measure and vary the length of the perforations along the web in a more efficient manner, for a precise cut.
Abstract:
A system and process for aligning printed images on a rolled product with perforation lines being formed into the product is disclosed. According to the process, the position of printed images are sensed as the images are being printed onto a substrate, such as a tissue strip. The images are printed onto the substrate using a printing device including at least one rotating print roller. In order to maintain the printed images in alignment with perforation lines being formed into the substrate, the speed of the print roller is adjusted in order to adjust the length of the printed images.
Abstract:
A system, apparatus and method is provided for perforating a web such as a paper tissue or paper toweling into distinct and perforated sheets. The invention provides a laser array capable of providing an incident beam of light upon the surface of the web. The web travels at relatively high speed on a web support mechanism. The web is contacted by the laser light source, which is directed at predetermined locations upon the web to provide a perforation or severing of the web. The employment of a laser in the practice of the invention provides the ability to precisely measure and vary the length of the perforations along the web in a more efficient manner, for a precise cut.
Abstract:
A rewinder for winding a web to produce a rolled product. The rewinder includes a web transfer device that is used for conveying the web. The web transfer device communicates with a core in order to wind the web via surface winding. At least one pair of rotationally driven end chucks are located proximate to the web transfer device. The end chucks engage the core and the web is wound onto the core via center winding by the rotating end chucks. Also, the web is wound onto the core to form a rolled product by a combination of the center winding and the surface winding.
Abstract:
A system and process for aligning printed images on a rolled product with perforation lines being formed into the product is disclosed. According to the process, the position of printed images are sensed as the images are being printed onto a substrate, such as a tissue strip. The images are printed onto the substrate using a printing device including at least one rotating print roller. In order to maintain the printed images in alignment with perforation lines being formed into the substrate, the speed of the print roller is adjusted in order to adjust the length of the printed images.
Abstract:
A center driven unwind system including a pair of horizontally spaced-apart side frames defining the beginning of a path of travel of the web being unwound from a parent roll for processing by a rewinder, a U-shaped arm structure pivotally mounted adjacent the U-shape base on each side frame with each arm of the U-shape adjacent the arm free end being equipped with a retractable chuck for insertion into a parent roll core, a variable speed drive operably associated with each chuck and adapted to develop an increasing rotational speed characteristic in the chuck as a parent roll carried by the chuck is unwound, a core table positioned adjacent the frame and adapted to receive from the U-shaped arm structure a partially unwound parent roll, the core table being equipped with a cradle for rotatably supporting the partially unwound roll after the chucks have been retracted therefrom, sensors provided on the U-shaped arm structure for positioning the chucks for introduction into the core of a parent roll to be subsequently unwound, and a thread-up conveyor adjacent the core table for conducting a leading edge portion of a web from the parent roll to be subsequently unwound toward the tail end portion of a web from the partially unwound parent roll for simultaneous introduction into a rewinder.
Abstract:
The present invention is generally directed to a process for hot embossing a base sheet and/or to a process for perforating and bonding multiple plies of a paper product together. The process can be used in order to apply a decorative pattern to a paper product and/or to bond multiple ply products together. In one embodiment, the process of the present invention includes feeding a previously formed single ply or multi-ply base sheet through a heated embossing nip. As the base sheet passes through the heated embossing nip, sufficient heat and pressure is imparted to cause the fibers within the sheet to begin to melt or glassinate. Upon cooling, inter-fiber bonding occurs resulting in a well-defined embossment as well as bonding between plies of a multi-ply product.
Abstract:
A multi-layered paper product that has bridging regions for inhibiting nesting is provided. For example, the paper product can contain a first and second layer that define ridges and valleys. Bridging regions are formed into at least one of the outer surfaces of the layers. In particular, the bridging regions are positioned at an angle of between about 0° to about 180° relative to the ridges and also have a length sufficient to extend between the peaks of at least two of the ridges. The bridging regions can be formed in a variety of ways, such as with an embossing roll that contains embossing elements. Moreover, the bridging regions can also have a variety of shapes, sizes, orientations, and/or patterns.
Abstract:
New and improved methods and products are disclosed relating to softness of fibrous webs. Increased softness, among other things, is obtained by abrading the surface of the web to create fuzziness from protruding fibers.
Abstract:
New and improved methods and products are disclosed relating to softness of fibrous webs. Increased softness, among other things, is obtained by abrading the surface of the web to create fuzziness from protruding fibers.