Patents by Inventor Nils-Erik Stromberg

Nils-Erik Stromberg 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: 3991670
    Abstract: In a pressing apparatus for compressing a mass of fibrous material, such as cellulose pulp, into a bale and wrapping the resulting bale with wire or strip, there is used a bale press stand, a stationary first press plate and a second press plate movable toward and away from said press plate, together with means for moving said second press plate. The second press plate has a pressure-applying face constituted by a planar border surface normal to the direction of movement of said second press plate and a centrally disposed portion projecting 10-50 mm. from the plane of said border surface, for effecting a permanent depression, centrally in an end surface of a bale formed in said apparatus, facilitating the gripping and lifting of a wire or strip which is wrapped around a number of such bales.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: November 16, 1976
    Assignee: Sunds Aktiebolag
    Inventor: Nils-Erik Stromberg