Patents by Inventor Per CAMÉN

Per CAMÉN 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: 11612525
    Abstract: An absorbent article including an absorbent core sandwiched between a liquid-permeable topsheet and a liquid-impermeable backsheet, wherein the absorbent core includes an absorbent component enclosed by a core cover including an upper side and a lower side, and a sealing arrangement for joining the upper and lower sides and including two channel sealings in the crotch portion defining a first channel sealing width and a second channel sealing width. The channel sealings are formed by thermo and/or mechanical welding pattern including a plurality of welding spots being arranged in the form of a first row along the longitudinal axis in which each welding spot extends along a first axis, and a second row along the longitudinal axis in which each welding spot extends along a second axis, the first axis and second axis defining a first angle in relation to each other.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: March 28, 2023
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventors: Filip Sillerström, Per Camén
  • Patent number: 11229561
    Abstract: An absorbent article including a liquid-permeable topsheet, a liquid-impermeable backsheet and an absorbent core sandwiched between the topsheet and the backsheet, the article being arranged along a longitudinal axis and a transversal axis extending in a perpendicular direction in relation to the longitudinal axis and the main article defining a front portion, a back portion and a crotch portion, wherein the absorbent core is formed with a sealing arrangement including two channel sealings extending along the longitudinal axis in the crotch portion and defining a first effective channel sealing width and a second effective channel sealing width, respectively. The sealing arrangement includes two side seams extending along two side edges of the core, the side seams defining a third and fourth effective width, respectively, along the crotch portion and defining a fifth and sixth effective width, respectively, along the front portion and back portion.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: January 25, 2022
    Assignee: ESSITY HYGIENE AND HEALTH AKTIEBOLAG
    Inventors: Filip Sillerström, Per Camén
  • Publication number: 20200375822
    Abstract: An absorbent article including a liquid-permeable topsheet, a liquid-impermeable backsheet and an absorbent core sandwiched between the topsheet and the backsheet, the article being arranged along a longitudinal axis and a transversal axis extending in a perpendicular direction in relation to the longitudinal axis and the main article defining a front portion, a back portion and a crotch portion, wherein the absorbent core is formed with a sealing arrangement including two channel sealings extending along the longitudinal axis in the crotch portion and defining a first effective channel sealing width and a second effective channel sealing width, respectively. The sealing arrangement includes two side seams extending along two side edges of the core, the side seams defining a third and fourth effective width, respectively, along the crotch portion and defining a fifth and sixth effective width, respectively, along the front portion and back portion.
    Type: Application
    Filed: December 21, 2017
    Publication date: December 3, 2020
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Filip SILLERSTRÖM, Per CAMÉN
  • Publication number: 20200352799
    Abstract: An absorbent article including an absorbent core sandwiched between a liquid-permeable topsheet and a liquid-impermeable backsheet, wherein the absorbent core includes an absorbent component enclosed by a core cover including an upper side and a lower side, and a sealing arrangement for joining the upper and lower sides and including two channel sealings in the crotch portion defining a first channel sealing width and a second channel sealing width. The channel sealings are formed by thermo and/or mechanical welding pattern including a plurality of welding spots being arranged in the form of a first row along the longitudinal axis in which each welding spot extends along a first axis, and a second row along the longitudinal axis in which each welding spot extends along a second axis, the first axis and second axis defining a first angle in relation to each other.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 12, 2020
    Applicant: Essity Hygiene and Health Aktiebolag
    Inventors: Filip SILLERSTRÖM, Per CAMÉN