Patents Assigned to DBW HOLDING GMBH
  • Patent number: 9802241
    Abstract: The invention relates, in a first aspect, to a flat semi-finished product made of metal (1), wherein said semi-finished product comprises at least out structured section (2) and at least one non-structured section, wherein said semi-finished product has non-structured edge sections (4) and exhibits a high strength. The semi-finished product made of metal (1) according to the invention is characterized in that it is designed as one piece and predetermined sections (2) are structured and predetermined sections are non-structured, wherein at least one non-structured section (4) is designed as a connecting region for positive or non-positive connection or for connecting by bonding. Furthermore, methods for producing the semi-finished products according to the invention are provided.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: October 31, 2017
    Assignee: DBW Holding GmbH
    Inventors: Gerd Zielke, Karl-Christian Regent
  • Patent number: 9249726
    Abstract: A muffler insert for motor vehicles, in particular for passenger cars and motor trucks, in the form of a shaped material made from glass fiber material, has a wound continuous glass fiber material which includes a textured glass fiber. When producing the muffler insert the glass fiber material is wound around a carrier in order to form a shaped material, and this shaped material is used as a muffler insert, if appropriate after further processing steps.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: February 2, 2016
    Assignee: DBW Holding GmbH
    Inventors: Thomas Bauer, Karl-Christian Regent, Martin Schwerdtfeger
  • Patent number: 9133754
    Abstract: A first aspect of the present application relates to a method for producing sound-damping, sound-absorbing and/or insulating molded material. More specifically, the method according to the invention relates to a method for producing said molded materials, wherein the fibrous material is wound around at least two carriers and subsequently the wound blank thus obtained remains on the carriers so as to be permanently solidified in order to obtain the molded material according to the invention. A further aspect of the present application concerns the molded material thus obtained, in particular in the form of molded mats or molded objects. Said molded material can be used, in particular, in mufflers. Finally, the following application concerns a device for producing said molded materials from fibrous material.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: September 15, 2015
    Assignee: DBW Holding GmbH
    Inventors: Thomas Bauer, Karl-Christian Regent, Martin Schwerdtfeger
  • Publication number: 20140060964
    Abstract: The present application relates in a first aspect to a muffler insert for motor vehicles, in particular for passenger cars and motor trucks. This muffler insert in the form of a shaped material made from glass fiber material is in this case present in the form of a wound continuous glass fiber material, the glass fiber material used comprising a textured glass fiber. In a further aspect, the application is aimed at a method for producing such a muffler insert, a glass fiber material being wound as continuous glass fiber, which is a textured glass fiber, around a carrier in order to form a shaped material, and this shaped material being used as a muffler insert, if appropriate after further processing steps.
    Type: Application
    Filed: February 23, 2012
    Publication date: March 6, 2014
    Applicant: DBW HOLDING GMBH
    Inventors: Thomas Bauer, Kal-Christian Regent, Martin Schwerdtfeger
  • Publication number: 20140054106
    Abstract: A first aspect of the present application relates to a method for producing sound-damping, sound-absorbing and/or insulating molded material. More specifically, the method according to the invention relates to a method for producing said molded materials, wherein the fibrous material is wound around at least two carriers and subsequently the wound blank thus obtained remains on the carriers so as to be permanently solidified in order to obtain the molded material according to the invention. A further aspect of the present application concerns the molded material thus obtained, in particular in the form of molded mats or molded objects. Said molded material can be used, in particular, in mufflers. Finally, the following application concerns a device for producing said molded materials from fibrous material.
    Type: Application
    Filed: February 23, 2012
    Publication date: February 27, 2014
    Applicant: DBW HOLDING GMBH
    Inventors: Thomas Bauer, Karl-Christian Regent, Martin Schwerdtfeger