Patents by Inventor Pentti Alatalo

Pentti Alatalo 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 and apparatus for transport of a web to be threaded
    Patent number: 4997524
    Abstract: The invention relates to a method and an apparatus for cutting off and guiding a strip cut from the edge of a paper web in a threading operation. The strip is released from a cylinder by blowing and is guided by pocket blowing so as to form a bag and is then cut off. The strip is conducted through an arrangement functioning as a draw-press, which pulls the strip against a cutting member of a cutting device in such a way that it is severed and the strip can immediately be transferred further.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: March 5, 1991
    Assignee: Valmet-Ahlstrom Inc.
    Inventors: Matti Nieminen, Pentti Alatalo