AIR PERMEABLE PACKAGING MATERIAL

Title:

AIR PERMEABLE PACKAGING MATERIAL

Document Type and Number:

Japanese Patent JPH0648457

Kind Code:

A

Abstract:

PURPOSE: To provide a packaging material which is excellent as packaging material, especially as a packaging material for a freshness retaining agent, etc., and is equipped with a favorable air-permeability and strength as well.

CONSTITUTION: The packaging material is formed by adhere-laminating a plastic film with fine holes on both surfaces of a paper or nonwoven fabric. It is a packaging material at least one adhere-laminating surface of which has a lamination structure with discontinuous adhered part or non-adhered part. Therefore, because of the laminated structure, the title packaging material is extremely superior in permeability with the outside air, and at the same time, adhered parts can be evenly provided, and the overall peel strength is improved.

Inventors:

NAKAMURA KOICHI
ISHIKAWA KOJI
HANAI HIDEO

Application Number:

JP5031191A

Publication Date:

February 22, 1994

Filing Date:

February 25, 1991

Export Citation:

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Assignee:

TOA GOSEI CHEM IND
KANAE KK

International Classes:

B32B3/24; B32B7/14; B32B27/10; B32B27/12; B65D65/40; (IPC1-7): B65D65/40; B32B3/24; B32B7/14; B32B27/10; B32B27/12

Domestic Patent References:

JPH0227964A	1990-01-30
JPH0341595U	1991-04-19

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