Title:
FILTER STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/187628
Kind Code:
A1
Abstract:
A filter structure that is adhered to an object and is for filtering a gas that passes therethrough, said filter structure comprising a filter layer that is composed of a gas-permeable sheet-shaped member, and an adhesive layer that is formed on at least a part of one surface of the filter layer and is for adhesion to the object, wherein the adhesive layer is formed from an acrylic hot-melt adhesive, the ratio K1/K2 of the maximum separation load K1 at 25°C and the maximum separation load K2 at 5°C is in the range of 1-6, and when adhered to the object under temperature conditions of 25°C or 5°C, the filter structure does not separate from the object.
Inventors:
ADACHI MASASHI (JP)
YAMAGISHI TAKUTO (JP)
YAMAGISHI TAKUTO (JP)
Application Number:
PCT/JP2021/018345
Publication Date:
September 23, 2021
Filing Date:
May 14, 2021
Export Citation:
Assignee:
TOYO ALUMINIUM EKCO PRODUCTS CO LTD (JP)
International Classes:
B01D46/10; B01D39/08; B01D39/16; B32B27/00; B32B27/30; F24F13/28
Foreign References:
| JP2019217493A | 2019-12-26 | |||
| JP2018161598A | 2018-10-18 | |||
| JP2015520774A | 2015-07-23 |
Attorney, Agent or Firm:
KASSAI Yasuji et al. (JP)
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