Patents by Inventor Mads Sandahl Christensen

Mads Sandahl Christensen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230057682
    Abstract: The invention relates to a web-shaped material with perforated lines, whereby, when tearing the material along the perforated lines, for example at the place of use that could be in a supermarket, units can be formed for use as a kind of glove or mitten.
    Type: Application
    Filed: January 22, 2021
    Publication date: February 23, 2023
    Inventor: Mads Sandahl Christensen
  • Patent number: 11518134
    Abstract: Continuous method for making a web of draw strip bags, comprising providing a film web (F) wherein a first portion (11) and a second portion (12) overlap each other with free longitudinal side edges (7, 7?) thereof being essentially aligned with each other, back folding a first part (13) having said free side edge (7) of the first portion (11) outwardly away from said second portion (12) along a first fold line (B) by a first hemmer (120), and by folding a first subpart (15) of said first part (13) along a second fold line (C) whereby the free side edge (7) of the first portion (11) is brought into near alignment with said first fold line (B) while a second subpart (14) of said first part (13) of the first portion (11) remains back folded, whereby said first and second subparts (14, 15) of the first portion define a first hem (H1).
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: December 6, 2022
    Assignee: ROLL-O-MATIC A/S
    Inventors: John Buk Jensen, Mads Sandahl Christensen, Jens Peder Rasmussen
  • Patent number: 11267156
    Abstract: A cutting apparatus including an apparatus frame and a cutting station, for forming interconnected bags, is provided. The cutting station includes a rotary anvil having an axis of rotation and mounted to a first frame structure, a rotary cutting die disposed adjacent to said rotary anvil and having an axis of rotation parallel to said first axis of rotation, said rotary cutting die including a rotatable cylindrical shaft carrying a die blade, said rotary cutting die being mounted to a frame structure, and an adjustment mechanism for varying the distance between said anvil and said cutting die, said mechanism including a rotatable spindle having threaded portions of different pitch. A first threaded portion engages a threaded portion of said first or said second frame structure and said second threaded portion engaging a threaded portion of said apparatus frame.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: March 8, 2022
    Assignee: Roll-O-Matic A/S
    Inventors: John Buk Jensen, Mads Sandahl Christensen
  • Publication number: 20210114246
    Abstract: A cutting apparatus including an apparatus frame and a cutting station, for forming interconnected bags, is provided. The cutting station includes a rotary anvil having an axis of rotation and mounted to a first frame structure, a rotary cutting die disposed adjacent to said rotary anvil and having an axis of rotation parallel to said first axis of rotation, said rotary cutting die including a rotatable cylindrical shaft carrying a die blade, said rotary cutting die being mounted to a frame structure, and an adjustment mechanism for varying the distance between said anvil and said cutting die, said mechanism including a rotatable spindle having threaded portions of different pitch. A first threaded portion engages a threaded portion of said first or said second frame structure and said second threaded portion engaging a threaded portion of said apparatus frame.
    Type: Application
    Filed: May 1, 2019
    Publication date: April 22, 2021
    Inventors: John Buk JENSEN, Mads Sandahl CHRISTENSEN
  • Patent number: 10946993
    Abstract: The invention relates to a wrapping device (300) for wrapping a band around a wound up roll (5?), characterised in:—a storage (301) for said band (303) to be wrapped around said wound up roll (5?),—a first conveyor (330) positionable adjacent said wound roll (5?), for conveying said band (303) to said roll (5?),—said first conveyor (330) comprising a cylindrical drum configured for rotation about an axis (W),—said drum (330) having a surface configured for receiving and transferring said band (303) to said wound up roll (5?) by a vacuum applied to said band (303) via apertures (331) formed in said surface.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: March 16, 2021
    Assignee: ROLL-O-MATIC A/S
    Inventors: John Buk Jensen, Mads Sandahl Christensen
  • Patent number: 10494214
    Abstract: The invention relates to a roll making apparatus comprising spindles optionally having apertures for pressurized air and/or for applying a vacuum, the spindles being movable between a retracted position and an extended position, a roll engaging face configured to engage a roll carried by a spindle, upon the spindle carrying said roll moving to said retracted position, to move the roll relative to the spindle.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: December 3, 2019
    Assignee: Jensen Denmark A/S
    Inventors: John Buk Jensen, Mads Sandahl Christensen, Jens Peder Rasmussen
  • Publication number: 20190315503
    Abstract: The invention relates to a wrapping device (300) for wrapping a band around a wound up roll (5?), characterised in:—a storage (301) for said band (303) to be wrapped around said wound up roll (5?),—a first conveyor (330) positionable adjacent said wound roll (5?), for conveying said band (303) to said roll (5?),—said first conveyor (330) comprising a cylindrical drum configured for rotation about an axis (W),—said drum (330) having a surface configured for receiving and transferring said band (303) to said wound up roll (5?) by a vacuum applied to said band (303) via apertures (331) formed in said surface.
    Type: Application
    Filed: October 11, 2017
    Publication date: October 17, 2019
    Applicant: Roll-O-Matic A/S
    Inventors: John Buk JENSEN, Mads Sandahl CHRISTENSEN
  • Publication number: 20190001605
    Abstract: Continuous method for making a web of draw strip bags, comprising providing a film web (F) wherein a first portion (11) and a second portion (12) overlap each other with free longitudinal side edges (7, 7?) thereof being essentially aligned with each other, back folding a first part (13) having said free side edge (7) of the first portion (11) outwardly away from said second portion (12) along a first fold line (B) by a first hemmer (120), and by folding a first subpart (15) of said first part (13) along a second fold line (C) whereby the free side edge (7) of the first portion (11) is brought into near alignment with said first fold line (B) while a second subpart (14) of said first part (13) of the first portion (11) remains back folded, whereby said first and second subparts (14, 15) of the first portion define a first hem (H1).
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Inventors: John Buk JENSEN, Mads Sandahl CHRISTENSEN, Jens Peder RASMUSSEN
  • Publication number: 20180099832
    Abstract: The invention relates to a roll making apparatus comprising spindles optionally having apertures for pressurized air and/or for applying a vacuum, the spindles being movable between a retracted position and an extended position; a roll engaging face configured to engage a roll carried by a spindle, upon the spindle carrying said roll moving to said retracted position, to move the roll relative to the spindle.
    Type: Application
    Filed: March 22, 2016
    Publication date: April 12, 2018
    Inventors: John Buk JENSEN, Mads Sandahl CHRISTENSEN, Jens Peder RASMUSSEN
  • Publication number: 20110028064
    Abstract: Toy block (1) comprising a sidewall (2) with an inner surface and an outer surface (3) intended for abutment against a surface of a corresponding toy block, said sidewall (2) comprising a through hole (4) for receipt of a catch portion (7) of a connecting element (6) and a recess (5) in said outer surface (3) adjacent the through hole (4), and said toy block (1) comprising a catch for engaging and holding the catch portion (7) of a connecting element (6), said catch being situated in the interior of the toy block (1) in a distance from said inner surface, and at least one of said recess (5) and said through hole (4) is non-circular, toy block connecting element (6) for such a toy block (1) and toy block element (11) for producing such a toy block (1).
    Type: Application
    Filed: March 24, 2009
    Publication date: February 3, 2011
    Inventors: Mads Sandahl Christensen, Lars Christensen
  • Publication number: 20090301663
    Abstract: The refill comprises a base (2) carrying a tubular supply pivot (3) carrying a supply roll (8) of carrier tape carrying adhesive tape, a tubular take-up pivot (4) carrying a take-up roll (12) for spend carrier tape, and an applicator (6) positioned at a front end of the base (2). The supply the applicator (6) and the take-up pivot (4). The carrier tape is extending from a first side of the supply roll (8), to the applicator (6), around the applicator (6), past the other side of the supply roll (8) and to the take-up roll (12) thereby defining a tape area. The base (2) is extending at least at the first side of the supply roll (8) beyond the tape area, and the base (2) is carrying a shielding (7) extending along a part of the first side of the supply roll (8) and a part of a first run (18). Each pivot has an end attached to the base (2) and an opposite free. The refill further comprises a transmission including a slip clutch transmitting a torque from the supply roll (8) to the take-up roll (12).
    Type: Application
    Filed: January 23, 2007
    Publication date: December 10, 2009
    Applicant: 3L-LUDVIGSEN A/S
    Inventor: Mads Sandahl Christensen
  • Publication number: 20090047460
    Abstract: The adhesive dispensing product comprises a coherent piece of carrier sheet material with two opposite surfaces, one of which is a first release surface, the piece of carrier sheet material has two opposite lateral side edges. A plurality of individual adhesive segments are present on the first release surface, which adhesive segments each has a circumferential surface, and the circumferential surfaces of adjacent adhesive segments are separated by a distance of at least 0.5 mm. The adhesive segments feature a first adhesiveness relative to the first release surface allowing the adhesive segments to be dispensed from the first release surface. The adhesive dispensing product further comprises a plurality of individual pieces of cover sheet material, which cover sheet material has two opposite surfaces, one of which is a second release surface.
    Type: Application
    Filed: August 14, 2007
    Publication date: February 19, 2009
    Applicant: 3L-LUDVIGSEN A/S
    Inventors: Hans Lyhr, Lasse Haahr Andersen, Mads Sandahl Christensen, Per Herholdt Madsen, Peter Astrup Simmelsgaard
  • Patent number: D600291
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: September 15, 2009
    Assignee: 3L-Rask APS
    Inventors: Rikke Christensen, Malthe Bruun Ludvigsen, Mads Sandahl Christensen, Lars Christensen, Frits Ludvigsen
  • Patent number: D610628
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: February 23, 2010
    Assignee: 3L-Rask APS
    Inventors: Rikke Christensen, Malthe Bruun Ludvigsen, Mads Sandahl Christensen, Lars Christensen, Frits Ludvigsen