Patents by Inventor Karl G. B Andersson

Karl G. B Andersson 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: 5360502
    Abstract: A method and apparatus for splicing at least two single or multiple layer materials of air permeable soft paper webs while retaining web tension during operation. The apparatus includes a first suction chamber for retaining an end portion of a new web in trailing engagement against a first web, which is to be spliced, a second suction chamber over which moves the first web, which is to be spliced, as well as the forward end portion of the new web for splicing, a regulatable vacuum system for the suction chambers, an embossing nip placed downstream of the second suction chamber for bonding together the webs kept together with the aid of controlled air passage through them, and a cutting means for cutting off the moving web.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: November 1, 1994
    Assignee: Duni AB
    Inventor: Karl G. B. Andersson
  • Patent number: 4438163
    Abstract: A pad with shape adapting properties, including at least two adjacently located layers of a preferably absorbing material which are joined together in the region of the outer peripheral edge portions of the layers the layers further including a free tongue-shaped portion extending in an overlapping relationship to corresponding parts in remaining layers, the overlapping tongue-shaped parts being arranged to glide or slide in relation to each other to an overlapping position with the line of extension adapted to the configuration of an object covered by the tongue-shaped parts. Opposed portions of the layers defined by cuts surrounding the tongue-shaped portions, are also preferably arranged to act as shape adaptable parts, co-acting with the tongue-shaped parts.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: March 20, 1984
    Assignee: Duni Bila AB
    Inventor: Karl G. B. Andersson
  • Patent number: 4289253
    Abstract: A method and device for warming and damping of disposable, wet strength treated napkins or towels are disclosed. The device comprises a plastic coated box blank which is folded into a trough having tight corner sections. The napkins or towels to be heated are placed in the trough and a quantity of water which has been heated to almost boiling is poured into the trough and over the napkins. The napkins can then be delivered for use in a warmed and damped condition.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: September 15, 1981
    Assignee: Duni Bila AB
    Inventor: Karl G. B. Andersson
  • Patent number: 4261057
    Abstract: The disclosure concerns a disposable bib. The bib is formed of a rectangular sheet of foldable paper or the like. One end is folded up to define a pocket and the side edges of the folded up section are bonded to the side edges of the sheet. The side edges of the sheet are folded inwardly before the end of the sheet is folded up, thereby defining a gusset at the attached side edges, which gusset permits the pocket to be opened outwardly.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: April 14, 1981
    Assignee: Duni Bila AB
    Inventor: Karl G. B. Andersson
  • Patent number: 4240482
    Abstract: A bag-like liquid container especially intended for medical use is formed from flexible material and includes at least one closable spout for filling or emptying the container, having its center line substantially in the plane of the flat container, the spout being provided with a flange formed integral therewith, said flange being weldably unitable to the container material for providing a completely impervious attachment of the spout to the container as well as a separation of the sides of the container so that liquid flowing into and out of the container is always guaranteed a free passage.
    Type: Grant
    Filed: March 16, 1979
    Date of Patent: December 23, 1980
    Assignee: Duni Bila AB
    Inventors: Karl G. B Andersson, Ulla I. Forsberg, Knut I. Larka