Title:
HIGH-PERFORMANCE LEATHEROID
Document Type and Number:
WIPO Patent Application WO/2019/144537
Kind Code:
A1
Abstract:
Provided is a high-performance leatheroid, comprising an upper paper board (1), first waved core paper (2), a middle paper board (3), second waved core paper (4) and a lower paper board (5), wherein the upper paper board (1), the first waved core paper (2), the middle paper board (3), the second waved core paper (4) and the lower paper board (5) are successively connected; and the wave orientation of the first waved core paper (2) is perpendicular to the wave orientation of the second waved core paper (4). By means of the wave orientations being arranged perpendicularly to each other, wave sunken parts of the first waved core paper and the second waved core paper are in an intersection state in the present invention, thus collapse does not occur easily, therefore ensuring properties such as strength and support of the present invention.
Inventors:
CAI JIANXIANG (CN)
Application Number:
PCT/CN2018/086123
Publication Date:
August 01, 2019
Filing Date:
May 09, 2018
Export Citation:
Assignee:
DONGGUAN XIANGSHENG IND CO LTD (CN)
International Classes:
B32B29/08; B32B3/28
Foreign References:
| US4931346A | 1990-06-05 | |||
| GB2258189A | 1993-02-03 | |||
| CN206395192U | 2017-08-11 | |||
| CN2092423U | 1992-01-08 | |||
| GB2144077A | 1985-02-27 |
Attorney, Agent or Firm:
GUANGZHOU YUNYI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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