Substrate-less double face adhesive tape
OwnerCheng-Chuan Koinventor
Life of this patent
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Abstract
A substrate-less double face adhesive tape comprises a sticky layer set having a first sticky layer, a second sticky layer and a third sticky layer; and the adhesions of the first sticky layer and third sticky layer being stronger than that of the second sticky layer; a first separable paper adhered upon an upper surface of the first sticky layer; and a second separable paper adhered upon a lower surface of the third sticky layer. The first sticky layer and third sticky layer are made from material selected from water acrylic glue, PU resin, and PU-acrylic glue and the second sticky layer is made of lower adhesion water-solvable glue.
Claims3
A substrate-less double face adhesive tape comprising:
- a sticky layer set having a first sticky layer, a second sticky layer and a third sticky layer;
- and the adhesions of the first sticky layer and third sticky layer being stronger than that of the second sticky layer;
- a first separable paper adhered upon an upper surface of the first sticky layer;
- and
- a second separable paper adhered upon a lower surface of the third sticky layer.
Dependencies are inferred from the claim text.