Patents by Inventor Erwin Schmalbach

Erwin Schmalbach 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).

  • Method for manufacturing a shoe
    Patent number: 7211211
    Abstract: In order to produce a shoe, an outsole is firstly inserted in a hollow mold. This outsole has fixing means, which are formed by upwardly projecting neps and which fix a shoe upper of the shoe inside the hollow mold. The hollow mold is covered on the top by an upper mold, which rests on an upper sole while leaving a free space open between its edge and a lateral wall of the hollow mold. A wedge-shaped element is inserted into said free space from the top. This element leaves a narrow gap open through which a cork-latex mixture can exit during expansion.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: May 1, 2007
    Assignee: ALSA GmbH
    Inventors: Karl-Heinrich Herber, Erwin Schmalbach
  • Methods for producing a shoe and a shoe that can be produced according thereto
    Publication number: 20040255405
    Abstract: In order to produce a shoe, an outsole is firstly inserted in a hollow mold. This outsole has fixing means, which are formed by upwardly projecting neps and which fix a shoe upper of the shoe inside the hollow mold. The hollow mold is covered on the top by an upper mold, which rests on an upper sole while leaving a free space open between its edge and a lateral wall of the hollow mold. A wedge-shaped element is inserted into said free space from the top. This element leaves a narrow gap open through which a cork-latex mixture can exit during expansion.
    Type: Application
    Filed: August 18, 2004
    Publication date: December 23, 2004
    Inventors: Karl-Heinrich Herber, Erwin Schmalbach