Invention Application
- Patent Title: OUTER PACKING MATERIAL FOR VACUUM INSULATION MATERIAL, VACUUM INSULATION MATERIAL, AND ARTICLE PROVIDED WITH VACUUM INSULATION MATERIAL
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Application No.: US17622282Application Date: 2020-06-26
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Publication No.: US20220339917A1Publication Date: 2022-10-27
- Inventor: Taku MUNEDA , Masahiro IMAI
- Applicant: DAI NIPPON PRINTING CO., LTD.
- Applicant Address: JP Tokyo-to
- Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee: DAI NIPPON PRINTING CO., LTD.
- Current Assignee Address: JP Tokyo-to
- Priority: JP2019-120493 20190627
- International Application: PCT/JP2020/025372 WO 20200626
- Main IPC: B32B27/16
- IPC: B32B27/16 ; B32B7/027 ; B32B27/32 ; B32B27/30 ; B65D65/40 ; B32B27/08 ; B32B7/12 ; B32B9/04 ; B32B9/00

Abstract:
The present disclosure provides an outer packing material for vacuum insulation material comprising a thermally weldable film; a resin layer including at least one of an ethylene-vinyl alcohol copolymer and polyvinyl alcohol; and a gas barrier film including a resin base material, and an inorganic film placed on at least one main surface of the resin base material, wherein the resin layer is placed between the thermally weldable film and the gas barrier film, a water vapor permeability of the outer packing material for vacuum insulation material is 0.03 g/(m2·day) or less, and a metal layer is not placed in the outer packing material for vacuum insulation material.
Information query