Title:
高剪断強度を有するコア及びそれから作製された物品
Document Type and Number:
Japanese Patent JP2011513096
Kind Code:
A
Abstract:
This invention relates to a honeycomb core having improved shear properties made from a p-aramid paper substrate. The paper comprises 50-85 parts by weight of p-aramid floc, 10-40 parts by weight of p-aramid pulp and 5-30 parts by weight of aramid fibrids. Prior to impregnation with resin, the paper has a Gurley air resistance of from 3 to 40 seconds per 100 milliliters.
Inventors:
Levit Mikhail Earl
Khan Sbotosh
Khan Sbotosh
Application Number:
JP2010548837A
Publication Date:
April 28, 2011
Filing Date:
February 25, 2009
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B32B3/12
Domestic Patent References:
| JPH05186608A | 1993-07-27 | |||
| JP2007532798A | 2007-11-15 | |||
| JP2004149990A | 2004-05-27 | |||
| JPS61160500A | 1986-07-21 | |||
| JPH10278145A | 1998-10-20 | |||
| JPH04226745A | 1992-08-17 | |||
| JPH0860588A | 1996-03-05 | |||
| JP2004149932A | 2004-05-27 | |||
| JPH10100294A | 1998-04-21 | |||
| JPH01168442A | 1989-07-03 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki