Patents by Inventor Annika DAHL

Annika DAHL 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).

  • Packaging unit for hygiene articles
    Patent number: 11033442
    Abstract: A packaging unit for hygiene articles and a method for producing the same. The packaging unit is formed from a sheet of material having an inner surface and an outer surface. The inner surface has an edge zone. The sheet has at least one folding axis and the folding axis divides the sheet into a first region and a second region. The sheet may be folded along the folding axes with the first and second regions in an overlapping configuration, and at least a part of the edge zone is provided with microencapsulated adhesive.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 15, 2021
    Assignee: Essity Hygiene and Health Aktiebolag
    Inventors: Lisa Palmqvist, Sara Hagberg, Annika Dahl, Sofia Ekstedt
  • A PACKAGING UNIT FOR HYGIENE ARTICLES
    Publication number: 20200383848
    Abstract: A packaging unit for hygiene articles and a method for producing the same. The packaging unit is formed from a sheet of material having an inner surface and an outer surface. The inner surface has an edge zone. The sheet has at least one folding axis and the folding axis divides the sheet into a first region and a second region. The sheet may be folded along the folding axes with the first and second regions in an overlapping configuration, and at least a part of the edge zone is provided with microencapsulated adhesive.
    Type: Application
    Filed: August 22, 2017
    Publication date: December 10, 2020
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Lisa Palmqvist, Sara Hagberg, Annika Dahl, Sofia Ekstedt
  • Packaging unit having improved sealing properties
    Patent number: 9155668
    Abstract: A packaging unit formed from a sheet of material having an inner surface, an outer surface and one folding axis dividing the sheet into a first region and a second region. The inner surface includes an inner edge portion and an outer edge portion, wherein one of the inner edge portion and the outer edge portion of the edge zone of the first region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the first region is adhesive-free. One of the inner edge portion and the outer edge portion of the edge zone of the second region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the second region is adhesive-free in a complementary manner to the edge zone of the first region.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: October 13, 2015
    Assignee: SCA HYGIENE PRODUCTS AB
    Inventors: Annika Dahl, Linda Henriksson, Robert Perneborn, Eva-Li Saarväli
  • PACKAGING UNIT HAVING IMPROVED SEALING PROPERTIES
    Publication number: 20150112294
    Abstract: A packaging unit formed from a sheet of material having an inner surface, an outer surface and one folding axis dividing the sheet into a first region and a second region. The inner surface includes an inner edge portion and an outer edge portion, wherein one of the inner edge portion and the outer edge portion of the edge zone of the first region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the first region is adhesive-free. One of the inner edge portion and the outer edge portion of the edge zone of the second region is provided with adhesive, and the other of the inner edge portion and the outer edge portion of the edge zone of the second region is adhesive-free in a complementary manner to the edge zone of the first region.
    Type: Application
    Filed: April 23, 2012
    Publication date: April 23, 2015
    Applicant: SCA HYGIENE PRODUCTS AB
    Inventors: Annika DAHL, Linda Henriksson, Robert Perneborn, Eva-Li Saarvali