Back to results
US 2019/0153265 A1Published application
Gummed paper
AssigneeNingde Amperex Technology Limited
InventorsZhifang Dai, Luran Zhang, Hai Long, Xinghua Tao
Life of this patent
Estimating the term…
Abstract
A gummed paper comprises a first substrate having an uncovered region on an upper surface thereof; and a second substrate, in which in a thickness direction, a projection of the second substrate partially covers a projection of the first substrate, a dyne value of an upper surface of the second substrate is greater than or equal to 40 dyn/cm, and a dyne value of the uncovered region is less than the dyne value of the upper surface of the second substrate.
Claims20
A gummed paper, comprising:
- a first substrate, having an uncovered region on an upper surface thereof;
- and
- a second substrate,
- wherein in a thickness direction of the gummed paper, a projection of the second substrate partially covers a projection of the first substrate, a dyne value of an upper surface of the second substrate is greater than or equal to 40 dyn/cm, and a dyne value of the uncovered region is less than the dyne value of the upper surface of the second substrate.
1 more element
Dependencies are inferred from the claim text.