公开(公告)号：EP4382667A1

公开(公告)日：2024-06-12

申请号：EP22212065.1

申请日：2022-12-07

申请人： Billerud Aktiebolag (publ)

发明人： STÖÖD, Mikael ,  SAARI, Markus ,  HJELT, John

IPC分类号： D21H19/72 ,  A47K10/16 ,  B65D65/14 ,  B65D75/44 ,  D21F5/02 ,  D21H25/04 ,  D21H27/10

CPC分类号： D21H27/10 ,  B65D65/14 ,  D21H25/04 ,  D21H19/72

摘要： The present disclosure provides a heat-sealable paper product for use in overwrapping, wherein the heat-sealable paper product:
- comprises a paper substrate being a machine-glazed (MG) kraft paper having a glazed side and a non-glazed side, wherein the glazed side of the MG kraft paper is coated with a heat-sealable coating;
- has thickness of equal to or below 85 µm according to ISO 534:2011;
- has a tensile energy absorption (TEA) in cross direction (CD) of at least 60 J/m2 according to ISO 1924-3:2011; and
- has a burst strength of at least 150 kPa according to ISO 2758:2014.
The present disclosure also provides a method of producing a heat-sealable paper product for use in overwrapping as well as a method of overwrapping an item in a heat-sealable paper product.

公开(公告)号：EP4440525A1

公开(公告)日：2024-10-09

申请号：EP22823523.0

申请日：2022-11-30

申请人： Billerud Aktiebolag (publ)

发明人： STÖÖD, Mikael ,  SAARI, Markus

IPC分类号： A61F13/38 ,  B65D65/42 ,  D21H17/24 ,  D21H17/28 ,  D21H19/34 ,  D21H27/10

CPC分类号： D21H27/10 ,  D21H19/34 ,  D21H17/28 ,  D21H17/24 ,  A61F13/38 ,  B65D5/62 ,  B65D5/0227 ,  B65D3/04 ,  B65D65/42 ,  B65D2565/38520130101

公开(公告)号：EP4234811A1

公开(公告)日：2023-08-30

申请号：EP22167403.9

申请日：2022-04-08

申请人： Billerud Aktiebolag (publ)

发明人： SAARI, Markus ,  IVERSEN, Per ,  WESTERHOLM, Erik

IPC分类号： D21H17/16 ,  D21H17/17 ,  D21H19/54 ,  D21H19/82 ,  D21H19/84 ,  D21H21/16 ,  D21H27/10 ,  D21H17/28 ,  D21H17/29 ,  D21H17/54 ,  D21H17/55 ,  D21H23/26 ,  D21H23/42

摘要： There is provided a method of producing an impregnated paper, comprising the steps of:
a) forming a paper web from a furnish, which furnish preferably comprises a mixture of hardwood fibers and softwood fibers;
b) dewatering and drying the paper web to a moisture content of 10-15 %; and
c) impregnating the paper web having the moisture content of 10-15 % by applying a water-based composition comprising starch to at least one side of it, wherein the dry matter content of the water-based composition is 8-18 %, such as 10-15 %.

公开(公告)号：EP4299831A1

公开(公告)日：2024-01-03

申请号：EP22182376.8

申请日：2022-06-30

申请人： Billerud Aktiebolag (publ)

发明人： SAARI, Markus ,  TUOMINEN, Ari ,  KARLSSON, Helena

IPC分类号： D21H11/04 ,  D21H17/28 ,  D21H17/62 ,  D21H19/54

摘要： The present disclosure relates to a machine glazed paper comprising softwood fibers, the machine glazed paper comprising starch to an amount within the range of from 0.1 wt.% by weight to 2 wt.% of the dry weight of the machine glazed paper, the amount of softwood fibers of the total amount of fibers being 63 wt.% or more, and the machine glazed paper having a Cobb value within the range of from 20 gsm to 50 gsm, as measured according to the standard method ISO 535:2014. The present disclosure furthermore relates to a method of producing the machine glazed paper.

公开(公告)号：EP4190292A1

公开(公告)日：2023-06-07

申请号：EP21212318.6

申请日：2021-12-03

申请人： Billerud Aktiebolag (publ)

发明人： STÖÖD, Mikael ,  SAARI, Markus

IPC分类号： A61F13/38 ,  B65D65/42 ,  D21H17/24 ,  D21H17/28 ,  D21H19/34 ,  D21H27/10

摘要： The present disclosure provides a method of forming a package or container or paper stick comprising the steps of:
a) providing a paper product comprising a paper substrate and a film coated on the paper substrate, wherein the film comprises oxidized starch and dextrin, such as mal todextrin;
b) wetting a portion of the film; and
c) heat-sealing the wetted portion.