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US 11,603,279 B2Granted
Package structure of roll-shaped thin film and packaging method thereof
AssigneeChang Chun Petrochemical Co., Ltd.
InventorsMing-Yu Yang, Yao-Sheng Lai, Jui-Chang Chou
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Abstract
A package structure of a roll-shaped thin film includes a thin film roll and a buffer layer. The thin film roll includes a winding core and a thin film wound around the winding core, and the buffer layer is wound around an outer circumference of the thin film. An end portion of the buffer layer is covered with an inner surface of an end portion of the thin film, and the thickness of the buffer layer is in a range of 1-20 mm.
Claims18
A package structure of a roll-shaped thin film, comprising:
- a thin film roll, comprising a winding core and a thin film wound around the winding core;
- and
- a buffer layer wound around an outer circumference of the thin film, an initial portion of the buffer layer is covered with an inner surface of an end portion of the thin film, and a portion of the buffer layer is attached to the end portion of the thin film, wherein the thickness of the buffer layer is in a range of 1-20 mm;
- wherein there is an overlapping region between the initial portion of the buffer layer and the end portion of the thin film, and the length of the overlapping region along a mechanical direction of the thin film is not less than 1 cm.
1 more element
A packaging method of a roll-shaped thin film, comprising:
- obtaining a thin film roll, wherein the thin film roll comprises a winding core and a thin film wound around the winding core;
- obtaining a buffer layer;
- covering an initial portion of the buffer layer with an inner surface of an end portion of the thin film, so as to form an overlapping region between the initial portion of the buffer layer and the end portion of the thin film;
- attaching at least one portion of the end portion of the thin film to the buffer layer, wherein the at least one portion of the end portion of the thin film overlaps with the overlapping region;
- and
- after attaching the at least one portion of the end portion of the thin film to the buffer layer, winding the buffer layer around an outer circumference of the thin film.
3 more elements
Dependencies are inferred from the claim text.