Patents Assigned to Core Link AB
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Patent number: 11458646Abstract: In a method for removing a wrapping, such as plastic film, from a roll of material an apparatus is used, which has a roll supporting unit, and a cutting means. The roll supporting unit is configured to rotate the roll supported thereon, and the cutting means is movable into cutting abutment against the envelope surface of the supported roll for removal of the wrapping during rotation of the roll.Type: GrantFiled: April 30, 2021Date of Patent: October 4, 2022Assignee: CORE LINK ABInventor: Nils Strandh
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Patent number: 10814515Abstract: A core end piece collector for handling cut off end pieces during processing of tubular cores with a hollow centre portion includes a carrying member. At least a portion of the carrying member is configured to be arranged inside of a core during cutting of the core. The collector further includes a catcher being arranged on the carrying member, said catcher protruding from the carrying member at an angle in relation to the longitudinal direction of said carrying member such that the catcher is insertable into a cut in the core. The core end piece collector further comprises means for moving at least the carrying member in relation to the core.Type: GrantFiled: February 2, 2017Date of Patent: October 27, 2020Assignee: Core Link ABInventors: Nils Strandh, Jörgen Jensen
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Patent number: 10196231Abstract: A method (and device) of removing material residues, from cores to make possible reuse of them in the same manner as new and unused cores a number of times wherein cores with material residues in the form of a number of material turns are processed using a mechanism for lifting and tearing the material residues for subsequent simple removal thereof, the mechanism for lifting and tearing of the material residues is displaced along the core and the mechanism for lifting and tearing of the material residues is displaced from a position in on the core out towards and past the ends of the core.Type: GrantFiled: September 24, 2011Date of Patent: February 5, 2019Assignee: CORE LINK ABInventors: Jörgen Jensen, Jan Karlsson, Nils Strandh
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Patent number: 9862565Abstract: The present invention concerns a method for removal of material residues, particularly tissue or similar porous, non-self-supporting materials, from a material-carrying core, which often has relatively large dimensions, e.g. a diameter of approx. 300 mm and a length of approx. 2540 mm, and thereby allow re-use of the core in the same way as new and unused cores a number of times for winding non-self-supporting or porous material, particularly tissue, wherein a cut section is made in the envelope surface of the roll having the material-carrying core from one end or end portion of the roll to the other end or end portion of the roll by means of a driven rotary knife, which is connected to a motor for rotation of the same.Type: GrantFiled: June 24, 2013Date of Patent: January 9, 2018Assignee: CORE LINK ABInventors: Jan Karlsson, Peter Mårtensson, Nils Strandh
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Publication number: 20170217039Abstract: A core end piece collector for handling cut off end pieces during processing of tubular cores has a carrying member and a catcher arranged on the carrying member. The catcher protrudes from the carrying member at an angle in relation to the longitudinal direction of the carrying member.Type: ApplicationFiled: February 2, 2017Publication date: August 3, 2017Applicant: Core Link ABInventors: Nils Strandh, Jörgen Jensen
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Publication number: 20170008727Abstract: In a method for recycling residual rolls having a material-carrying core of tubular shape with a hollow centre portion, the core is adapted to carry web material, such as tissue, that is rolled or wound onto the material-carrying core for facilitating handling and transportation of the web material. A device for carrying out this method has means for removing residual material from the core, means for collecting the residual material, and means for inserting residual material into the hollow centre portion of the core. Thereby, the core can be handled and transported with the residual material kept inside the core.Type: ApplicationFiled: July 6, 2016Publication date: January 12, 2017Applicant: Core Link ABInventor: Nils Strandh
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Patent number: 9359097Abstract: A method and device of stripping of wrapping material including a tool having a first tool portion, a second tool portion, and a third tool portion comprising ends and a casing on substantially cylindrical rolls of paper and the like, in which the end of the wrapping material is opened by engagement by means of a first tool portion from some position on the end surface for processing the end wrapping material by cutting, slicing, and/or sawing of the end wrapping material in a direction out towards the periphery of the end where the end connects to the casing, the end being separated from the casing by means of the first tool portion or a second tool portion by cutting, slicing, sawing during rotation of the roll and/or displacement of the first tool portion or the second tool portion around the periphery of the end.Type: GrantFiled: November 9, 2010Date of Patent: June 7, 2016Assignee: CORE LINK ABInventors: Ola Henriksson, Jörgen Jensen, Nils Strandh
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Patent number: 8935823Abstract: A device for processing cores with a view to restoring same for reuse as good as new and unused cores a number of times for handling and carrying of different types of material webs, includes a number of processing units being arranged to act on the core for removal of material residues and possible other residues in the form of adhesive. The processing surface of the processing units is adapted and/or arranged to adapt itself to the surface of the core on at least the processing thereof under the exercise of a compression pressure between the core and the processing units.Type: GrantFiled: September 13, 2013Date of Patent: January 20, 2015Assignee: Core Link ABInventors: Jan Karlsson, Nils Strandh
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Patent number: 8695801Abstract: The present invention relates to a device for handling a number of sleeves, preferably paper sleeves, before, during and after rolling up of a paper web each thereon, at least one insert sleeve bent from a rigid material web and having a length substantially corresponding to the total length of the rolls being inserted in the rolls for simultaneous handling thereof, wherein the insert sleeve is polygonal, e.g. triangular, rectangular, etc.Type: GrantFiled: April 27, 2006Date of Patent: April 15, 2014Assignee: Core Link ABInventor: Jörgen Jensen
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Publication number: 20140013526Abstract: A device for processing cores with a view to restoring same for reuse as good as new and unused cores a number of times for handling and carrying of different types of material webs, includes a number of processing units being arranged to act on the core for removal of material residues and possible other residues in the form of adhesive. The processing surface of the processing units is adapted and/or arranged to adapt itself to the surface of the core on at least the processing thereof under the exercise of a compression pressure between the core and the processing units.Type: ApplicationFiled: September 13, 2013Publication date: January 16, 2014Applicant: CORE LINK ABInventors: Jan Karlsson, Nils Strandh
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Patent number: 8302897Abstract: The present invention relates to a device for handling a number of sleeves, preferably paper sleeves, before, during and after rolling up of a paper web each thereon, at least one insert sleeve bent from a rigid material web and having a length substantially corresponding to the total length of the rolls being inserted in the rolls for simultaneous handling thereof, wherein the insert sleeve is polygonal, e.g. triangular, rectangular, etc.Type: GrantFiled: October 13, 2010Date of Patent: November 6, 2012Assignee: Core Link ABInventor: Jörgen Jensen
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Publication number: 20120084931Abstract: The present invention relates to a device for processing cores with a view to restoring same for reuse as as good as new and unused cores a number of times for handling and carrying of different types of material webs, e.g. paper, tissue, etc., a number of processing means being arranged to act on the core for removal of material residues and possible other residues in the form of adhesive, e.g. glue or the like.Type: ApplicationFiled: September 24, 2011Publication date: April 12, 2012Applicant: Core Link ABInventors: Jan Karlsson, Nils Strandh
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Publication number: 20120060865Abstract: A method (and device) of removing material residues, from cores to make possible reuse of them in the same manner as new and unused cores a number of times wherein cores with material residues in the form of a number of material turns are processed using a mechanism for lifting and tearing the material residues for subsequent simple removal thereof, the mechanism for lifting and tearing of the material residues is displaced along the core and the mechanism for lifting and tearing of the material residues is displaced from a position in on the core out towards and past the ends of the core.Type: ApplicationFiled: September 24, 2011Publication date: March 15, 2012Applicant: Core Link ABInventors: Jörgen Jensen, Jan Karlsson, Nils Strandh
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Publication number: 20110024545Abstract: The present invention relates to a device for handling a number of sleeves, preferably paper sleeves, before, during and after rolling up of a paper web each thereon, at least one insert sleeve bent from a rigid material web and having a length substantially corresponding to the total length of the rolls being inserted in the rolls for simultaneous handling thereof, wherein the insert sleeve is polygonal, e.g. triangular, rectangular, etc.Type: ApplicationFiled: October 13, 2010Publication date: February 3, 2011Applicant: CORE LINK ABInventor: Jörgen Jensen
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Patent number: 7874337Abstract: The present invention relates to an apparatus for laying a material sheet on a number of cylindrical bodies, for example sleeves of paperboard or the like, which are employed within, int.al. the papermaking industry for winding a manufactured paper web, sheet web or the like, a conveyor being disposed to advance the cylindrical bodies in the longitudinal direction thereof to, past and away from a unit for supplying a material web to the bodies, and the conveyor being divided into at least two sections, of which the one is disposed to displace the cylindrical bodies in their longitudinal direction up to connection with the end of the preceding body, and of which the second section is disposed to positively rotate the cylindrical bodies about their longitudinal axis and displace the cylindrical bodies in the direction of their longitudinal axis during application of the material web, with the desired spacing between the edges of the applied material web.Type: GrantFiled: March 26, 2004Date of Patent: January 25, 2011Assignee: Core Link ABInventor: Ove Nilsson
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Publication number: 20080230417Abstract: The present invention relates to a device for handling a number of sleeves, preferably paper sleeves, before, during and after rolling up of a paper web each thereon, at least one insert sleeve bent from a rigid material web and having a length substantially corresponding to the total length of the rolls being inserted in the rolls for simultaneous handling thereof, wherein the insert sleeve is polygonal, e.g. triangular, rectangular, etc.Type: ApplicationFiled: April 27, 2006Publication date: September 25, 2008Applicant: CORE LINK ABInventor: Jorgen Jensen
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Patent number: 7322922Abstract: End-to-end joining of sleeves. A first glue strand is applied to the end joint surface of one of the sleeves, the first glue strand having properties that cause an immediate fixing of the end joint surfaces of the sleeves. A second glue strand is applied to the end joint surface of one of the sleeves, the second glue strand having properties that causing wetting of the sleeve material in the joint surface and its immediate vicinity. The end joint surface of a first one of the sleeves is positioned against the end joint surface of a second one of the sleeves so that the first glue strand causes an immediate fixing of the end joint surfaces, and the second glue strand is allowed to set. The apparatus includes alignment devices for positioning the sleeves adjacent glue nozzles and for positioning the sleeves in end-to-end contact.Type: GrantFiled: July 2, 2002Date of Patent: January 29, 2008Assignee: Core Link ABInventors: Kjell Johansson, Göran Ljungek
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Patent number: 6761098Abstract: An apparatus for emptying a reel on which a web of material is wound in layers. A frame supports the reel. A carriage is mounted on the frame for reciprocal movement longitudinally in a first direction and in a second direction opposite the first direction over the reel. A knife is mounted on the carriage for movement with the carriage to cut sheets of material from the web as the carriage moves over the reel. A plough removes cut sheets of the material from the reel as the carriage moves over the reel.Type: GrantFiled: October 19, 2001Date of Patent: July 13, 2004Assignee: Core Link ABInventors: Thomas Esping, Jan Göransson, Kjell Johansson, Jan Karlsson, Göran Ljungek, Ove Nilsson
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Patent number: 5313862Abstract: An apparatus for cutting a cylindrical sleeve (7) during continuous displacement of the sleeve (7) in its longitudinal direction, for example in connection with continuous manufacture of the sleeve (7) in an appropriate machine. The apparatus includes a longitudinal slide (30) which is displaceable synchronously with the sleeve (7) during rotation thereof and movement in its longitudinal direction. A knife (36) is impressible into the wall of the sleeve (7) during longitudinal displacement of the slide (30) and the sleeve (7). The knife (36) is mounted on a cross slide (39,40; 43,44) which is reciprocal transversely of the longitudinal axis of the sleeve (7), and thereby transversely of the direction of movement of the longitudinal slide (30) for impressing the knife (36) into the wall of the sleeve (7) for cutting a desired length of the sleeve.Type: GrantFiled: November 23, 1992Date of Patent: May 24, 1994Assignee: Core Link ABInventor: Kjell Johansson