# US 10,309,058 B2 · Paper trim cut measurement device and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,058 B2 - Document ID: US10309058B2 - Status: Granted - Kind: B2 - Application number: 14/949,209 - Filed: 2015-11-23 - Published: 2016-06-23 - Granted: 2019-06-04 - Earliest claimed: 2014-11-26 - Assignees: International Paper Company - Applicants: International Paper Company - Inventors: Jeremy Allan Haddock; Ronald Arthur Falcone, Jr. - Web page: https://patentgrep.com/patent/US10309058B2 ## CPC - D21F 7/006: {Cutting the edges of the paper-web} - D21F 2/00: Transferring continuous webs from wet ends to press sections - D21F 9/02: of the Fourdrinier type - D21G 9/0027: {controlling the forming section} - D21F: PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON - D21G: CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES (winders or rewinders for finished products, means for adjustment of wrinkles or lateral extensions B65H) ## Abstract One embodiment provides a papermaking machine, which includes a wire for conveying a fiber web; a trim squirt for making a cut line in the fiber web; a machine reference; and a measurement device for measuring a distance between the cut line and the machine reference, the device comprising a laser adapted to illuminate the cut line and determine a location of the cut line for the measuring. Methods of making and using the papermaking machine are also provided. ## Claims ### Claim 1 A papermaking machine, comprising: a wire for conveying a fiber web; a trim squirt for making a cut line in the fiber web; a machine reference for providing a fixed reference point on the papermaking machine; and a measurement device for measuring a distance in the cross machine direction between the cut line and a point aligned in the cross machine direction with the machine reference, the device comprising a laser adapted to illuminate the cut line and determine a location of the cut line for the measuring. ### Claim 2 (depends on 1) The papermaking machine of claim 1, wherein the measurement device further comprises a ruled bar having a machine end and a distal end opposite the machine end, the machine end being moveably attached to the papermaking machine to allow the ruled bar to move in the cross machine direction to allow the laser to illuminate the cut line, and the laser being fixedly attached to the distal end. ### Claim 3 (depends on 1) The papermaking machine of claim 1, wherein the measurement device further comprises a bar having a machine end and a distal end opposite the machine end, the machine end being fixedly or moveably attached to the papermaking machine to allow the bar to move in the cross machine direction and to allow the laser to illuminate the cut line, and the laser being fixedly or moveably attached to the distal end to allow the laser to move along the bar in the cross machine direction to allow the laser to illuminate the cut line. ### Claim 4 (depends on 3) The papermaking machine of claim 3, wherein the machine end is moveably attached to the papermaking machine, and the laser is fixedly attached to the distal end. ### Claim 5 (depends on 3) The papermaking machine of claim 3, wherein the bar is a ruled bar. ### Claim 6 (depends on 3) The papermaking machine of claim 3, wherein the bar is selected from the group consisting of a ruled bar, unruled bar, electromagnetically operated piston bar, hydraulically operated piston bar, electromechanically operated bar, mechanically operated piston bar, threaded bar, clamped bar, or combination of two or more thereof. ### Claim 7 (depends on 1) The papermaking machine of claim 1, wherein the laser is adapted at an angle of about 90 degrees relative to the bar to illuminate the cut line. ### Claim 8 (depends on 1) The papermaking machine of claim 1, wherein the laser is adapted at an angle of about 90 degrees relative to a cross direction to illuminate the cut line. ### Claim 9 (depends on 1) The papermaking machine of claim 1, wherein the distance is measured along a virtual line in a virtual plane substantially parallel to the wire, fiber web, or both. ### Claim 10 (depends on 1) The papermaking machine of claim 1, further comprising a hydraulic headbox having a plurality of actuators. ### Claim 11 (depends on 10) The papermaking machine of claim 10, wherein the actuators are dilution actuators. ### Claim 12 (depends on 1) The papermaking machine of claim 1, further comprising a hydraulic headbox having a plurality of dilution actuators, wherein an output of one or more of said dilution actuators is a function of said distance. ### Claim 13 (depends on 1) The papermaking machine of claim 1, comprising more than one measurement device and more than one trim squirt. ### Claim 14 (depends on 1) The papermaking machine of claim 1, comprising more than one measurement device and more than one machine reference. ### Claim 15 (depends on 1) The papermaking machine of claim 1, further comprising a hydraulic headbox having a plurality of dilution actuators, wherein a control output to one or more of said dilution actuators is a function of said distance. ### Claim 16 (depends on 1) A method for making the papermaking machine of claim 1, comprising: affixing the measurement device to the papermaking machine.