Patents by Inventor Lars Gruter

Lars Gruter 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).

  • Patent number: 6739248
    Abstract: A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and, with an obliquely applied lip (24), lies against the periphery of a roller (12), against which the chambered doctor blade is placed, wherein the seal (20) has a second lip (24), which forms a V-shaped cross section with the first.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: May 25, 2004
    Assignee: Fischer & Krecke GmbH & Co.
    Inventors: Wilfried Kolbe, Klaus Schirrich, Lars Grüter
  • Patent number: 6672207
    Abstract: A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and lies against the periphery of a roller (12) against which the chambered doctor blade is placed, wherein the part of the seal (20) taken up in the seal holder (18), is constructed as a solid, rectangular support (22), which lies, with one end face, with a smooth surface (42), in contact with the chambered doctor blade (10) and is surrounded at the three remaining sides by continuous tolerance equalization lips (44).
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: January 6, 2004
    Assignee: Fischer & Krecke GmbH & Co.
    Inventors: Wilfried Kolbe, Klaus Schirrich, Lars Grüter
  • Patent number: 6647880
    Abstract: A flexographic printing press with a back-pressure cylinder (10) and at least one inking unit (12, 14, 16), which has an exchangeable printing cylinder (20), which can be placed against the back-pressure cylinder (10), an engraved ink transfer cylinder (24; 38), which can be placed against the printing cylinder and a chamber doctor blade (26), which can be placed against engraved ink transfer cylinder, wherein a washing cylinder (34) is constructed to be inserted in the inking unit (12, 14, 16) instead of the printing cylinder (20) and to apply cleaning liquid to the surface of the back-pressure cylinder (10).
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: November 18, 2003
    Assignee: Fischer & Krecke GmbH & Co.
    Inventors: Wilfried Kolbe, Klaus Schirrich, Manfred Terstegen, Bodo Steinmeier, Lars Grüter
  • Publication number: 20030150342
    Abstract: A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and lies against the periphery of a roller (12) against which the chambered doctor blade is placed, wherein the part of the seal (20) taken up in the seal holder (18), is constructed as a solid, rectangular support (22), which lies, with one end face, with a smooth surface (42), in contact with the chambered doctor blade (10) and is surrounded at the three remaining sides by continuous tolerance equalization lips (44).
    Type: Application
    Filed: February 6, 2003
    Publication date: August 14, 2003
    Inventors: Wilfried Kolbe, Klaus Schirrich, Lars Gruter
  • Publication number: 20030150345
    Abstract: A seal for a chambered doctor blade (10) of a printing machine, in the form of a rubber-elastic body, which is inserted at the end of the chambered doctor blade in a seal holder (18) and, with an obliquely applied lip (24), lies against the periphery of a roller (12), against which the chambered doctor blade is placed, wherein the seal (20) has a second lip (24), which forms a V-shaped cross section with the first.
    Type: Application
    Filed: February 6, 2003
    Publication date: August 14, 2003
    Inventors: Wilfried Kolbe, Klaus Schirrich, Lars Gruter
  • Publication number: 20020073864
    Abstract: A flexographic printing press with a back-pressure cylinder (10) and at least one inking unit (12, 14, 16), which has an exchangeable printing cylinder (20), which can be placed against the back-pressure cylinder (10), an engraved ink transfer cylinder (24; 38), which can be placed against the printing cylinder and a chamber doctor blade (26), which can be placed against engraved ink transfer cylinder, wherein a washing cylinder (34) is constructed to be inserted in the inking unit (12, 14, 16) instead of the printing cylinder (20) and to apply cleaning liquid to the surface of the back-pressure cylinder (10).
    Type: Application
    Filed: October 15, 2001
    Publication date: June 20, 2002
    Applicant: Fischer & Krecke GmbH & Co.
    Inventors: Wilfried Kolbe, Klaus Schirrich, Manfred Terstegen, Bodo Steinmeier, Lars Gruter
  • Patent number: 6016748
    Abstract: A seal for a chamber doctor blade (12) of a printing machine, with a sealing block (30) of a pliable material, which is inserted at one end of the chamber doctor blade between two doctor blades (16, 18) and closes off an inking chamber (20), bounded by the periphery of an applicator roller (10) of the printing machine, the doctor blades and a housing (14) of the chamber doctor blade, in which the surface of the sealing block (30), facing the applicator roller (10), is covered with a strip (34) of elastic material, which is harder than the material of the sealing block.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: January 25, 2000
    Assignee: Fischer & Krecke GmbH & Co.
    Inventors: Wilfried Kolbe, Klaus Schirrich, Michael Schmitt, Lars Gruter